Source: http://www.google.com/patents/US6380132?dq=6,240,376
Timestamp: 2015-07-02 01:22:35
Document Index: 106866936

Matched Legal Cases: ['art 9', 'art 9', 'art 9', 'art 9', 'art 9', 'art 9', 'art 9', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30']

Patent US6380132 - Thermal transfer image-receiving sheet and process for producing the same - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA thermal transfer image-receiving sheet 1 includes a seal part 9 including at least a receptive layer 8, a substrate 7 and a pressure-sensitive adhesive layer 6 which are laminated in the order mentioned; and a release sheet 5 which is separably adhered to the pressure-sensitive adhesive layer 6 of...http://www.google.com/patents/US6380132?utm_source=gb-gplus-sharePatent US6380132 - Thermal transfer image-receiving sheet and process for producing the sameAdvanced Patent SearchPublication numberUS6380132 B1Publication typeGrantApplication numberUS 09/493,209Publication dateApr 30, 2002Filing dateJan 28, 2000Priority dateJan 28, 1999Fee statusPaidAlso published asUS6743751, US20020151438Publication number09493209, 493209, US 6380132 B1, US 6380132B1, US-B1-6380132, US6380132 B1, US6380132B1InventorsKiyomaro Mihara, Kenji Tsuda, Wataru OhyamaOriginal AssigneeDai Nippon Printing Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (8), Referenced by (17), Classifications (14), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetThermal transfer image-receiving sheet and process for producing the same
US 6380132 B1Abstract
A thermal transfer image-receiving sheet 1 includes a seal part 9 including at least a receptive layer 8, a substrate 7 and a pressure-sensitive adhesive layer 6 which are laminated in the order mentioned; and a release sheet 5 which is separably adhered to the pressure-sensitive adhesive layer 6 of the seal part 9. The seal part 9 is provided with a half cut 2 that is useful for separating a part of the seal part 9 from the release sheet 5. The groove width of the half cut 2 is preferably from 25 to 60 μm. It is also preferable that the seal part 9 and the release sheet 5 be adhered to each other so that they show continuous and slight changes in peel strength when the seal part 9 is separated from the release sheet 5. The slight changes in peel strength measured in accordance with JIS Z0237-8.3.1 (180 Degrees Peeling Method) are preferably in the range of 1 to 10 g/cm. Further, it is preferable that the mean peel strength be from 10 to 75 g/cm.
An image can be formed on the above-described thermal transfer image-receiving sheet in the following manner. The thermal transfer image-receiving sheet is firstly fed to a thermal transfer printer; a detector installed in the thermal transfer printer detects the position of the end of this image-receiving sheet. Since information concerning the position of the half cut has been stored in the thermal transfer printer, the thermal transfer image-receiving sheet is carried so that the half cut comes to the right position relative to the thermal head; and an image is then formed.
However, when an image is formed in the above-described manner, various troubles tend to be caused at those parts of the thermal transfer image-receiving sheet where half cuts have been formed (hereinafter referred to as “half-cut-provided parts”). Specifically, the half-cut-provided part lifts to cause, while printing is being conducted by using a thermal head, such troubles that the seal part is unfavorably separated at the raised part and that the pressure-sensitive adhesive agent runs off from the seal part to stick to a thermal transfer printing sheet.
By referring now to the accompanying drawings, preferred embodiments of the present invention will be described hereinafter. In the drawings:
FIG. 9 is an enlarged sectional view taken along line VI—VI in FIG. 8;
FIG. 15 is an enlarged sectional view taken along line XV—XV in FIG. 14; and
First of all, the outline of the thermal transfer image-receiving sheet according to the first embodiment of the present invention will be described by referring to FIGS. 8 to 10.
FIG. 8 is a plane view showing one example of the thermal transfer image-receiving sheet according to the first embodiment of the present invention; and FIG. 9 is an enlarged sectional view taken along line VI—VI in FIG. 8. The thermal transfer image-receiving sheet 1 shown in FIGS. 8 and 9 is fed to a thermal transfer printer (not shown in the figures) in sheet form. A thermal transfer printing sheet (not shown in the figures) is superposed on the surface of the thermal transfer image-receiving sheet 1; and heat is applied image-wise to the back surface of the thermal transfer printing sheet by using a thermal head or the like, thereby thermally transferring a colored transfer layer contained in the thermal transfer printing sheet to the surface of the thermal transfer image-receiving sheet 1 to form thereon a desired image 10.
A conventionally known plastic film or poly-laminated paper whose surface has been treated with a known releasing agent such as silicone can be used as the release sheet 5. For instance, “Lumirror T-60” (thickness: 50 μm) manufactured by Toray Industries, Inc., Japan, or “W-400” (thickness: 38 μm) manufactured by Dia Foil Kabushiki Kaisha, Japan may be used. The thickness of the release sheet 5 is preferably from 20 to 188 μm. When the release sheet 5 is too thin, the resulting thermal transfer image-receiving sheet 1 is limp, so that it cannot be carried by a thermal transfer printer, or is wrinkled. On the other hand, when the release sheet 5 is too thick, the resulting thermal transfer image-receiving sheet 1 has an excessively large thickness. An excessively heavy load is thus imposed on a thermal transfer printer while the printer is carrying such a thermal transfer image-receiving sheet 1. As a result, the thermal transfer printer gets out of order, or cannot properly carry the thermal transfer image-receiving sheet 1.
Conventionally known solvent-type or aqueous pressure-sensitive adhesive agents can be used for the pressure-sensitive adhesive layer 6. Examples of pressure-sensitive adhesive agents include vinyl acetate resins, acrylic resins, vinyl acetate—acrylic copolymers, vinyl acetate—vinyl chloride copolymers, ethylene—vinyl acetate copolymers, polyurethane resins, natural rubber, chloroprene rubber and nitrile rubber.
A conventionally known material can be used as the substrate 7. It is preferable to use, for example, a polypropylene film containing therein microvoids (extremely small vacancies) such as “Toyopal SS P4255” (thickness: 35 μm) manufactured by Toyobo Co., Ltd., Japan, or “MW 247” (thickness: 35 μm) manufactured by Mobile Plastic Europe Corps., or a polyethylene terephthalate film containing therein microvoids such as “W-900” (thickness: 60 μm) manufactured by Dia Foil Kabushiki Kaisha, Japan or “E-60” (thickness: 60 μm) manufactured by Toray Industries, Inc., Japan.
In the substrate 7 made of the above-described laminate, a film of polyethylene terephthalate, polyethylene, polypropylene or the like can be used as the resin film containing therein no microvoids. The thickness of this resin film varies depending on the properties of the film and on whether the film has been oriented or not; however, it is preferably about 10 to 100 μm. When this resin film is too thin, it is limp. Therefore, wrinkles appear on the resulting thermal transfer image-receiving sheet 1 due to thermal shrinkage during the formation of an image carried out by a thermal head or the like. On the other hand, the resin film is too thick, the resulting thermal transfer image-receiving sheet 1 tends to curl due to heat setting when an image is formed by using a thermal head or the like. “Lumirror T-60” (thickness: 38 μm) manufactured by Toray Industries, Inc., Japan can be mentioned as a preferred example.
Further, a conventionally known resin film containing therein microvoids such as a polypropylene or polyethylene terephthalate film can be used as the resin film containing therein microvoids. A polypropylene film is particularly preferred because this film is excellent in both cushioning properties and insulating properties, and can allow a dye to uniformly and efficiently transfer to the receptive layer 8 when the resulting thermal transfer image-receiving sheet 1 and a thermal transfer printing sheet are brought into pressure contact by a thermal head. It is preferable that the thickness of such a resin film be approximately from 30 to 100 μm. “Toyopal P4255” (thickness: 35 μm) and “Toyopal P 4256” (thickness: 60 μm) manufactured by Toyobo Co., Ltd., Japan can be mentioned as preferred examples.
In the substrate 7 made of the above-described laminate, a known method such as dry lamination using a reaction-hardening-type (or pressure-sensitive- or heat-sensitive-type) adhesive agent dissolved in a solvent, non-solvent lamination (hot-melt lamination) using a reaction-hardening-type (or pressure-sensitive- or heat-sensitive-type) adhesive agent containing no solvent, or EC lamination can be used as a method for laminating a resin film containing therein no microvoids to one containing therein microvoids. Preferred methods are dry lamination and non-solvent lamination. Examples of adhesive agents suitable for dry lamination include “Takelack A969V” (main agent)/“Tekenate A-5” (hardening agent) (mixing ratio=3/1) manufactured by Takeda Chemical Industries, Ltd., Japan. The amount of the adhesive agent to be applied is approximately from 1 to 8 g/m2, preferably from 2 to 6 g/m2 on dry basis. On the other hand, “Takenate A-720L” manufactured by Takeda Chemical Industries, Ltd., Japan is mentioned as an adhesive agent suitable for non-solvent lamination.
In general, the main component of the receptive layer 8 is a thermoplastic resin. Examples of materials useful for 5 forming the receptive layer 8 include polyolefin resins such as polypropylene, vinyl chloride—vinyl acetate copolymers, ethylene—vinyl acetate copolymers, halogenated polymers such as polyvinylidene chloride, polyvinyl acetate, polyester resins such as polyacrylate, polystyrene resins, polyamide resins, copolymer resins of olefins such as ethylene or propylene and other vinyl monomers, ionomers, cellulosic resins such as cellulose diacetate, and polycarbonate resins. Of these, particularly preferred are polyester resins, vinyl chloride—vinyl acetate copolymers, and mixtures thereof.
Next, the second embodiment of the present invention will be described by referring to FIGS. 11 to 16.
FIG. 14 is a plane view showing one example of the thermal transfer image-receiving sheet 20 according to the second embodiment of the present invention; and FIG. 15 is an enlarged sectional view taken along line XV—XV in FIG. 14. The thermal transfer image-receiving sheet 20 shown in FIGS. 14 and 15 is fed to a thermal transfer printer (not shown in the figures) in sheet form as in the case of the thermal transfer image-receiving sheet 1 according to the aforementioned first embodiment. A thermal transfer printing sheet (not shown in the figures) is superposed on the surface of the thermal transfer image-receiving sheet 20, and heat is applied image-wise to the back surface of the thermal transfer printing sheet by a thermal head or the like, whereby a colored transfer layer contained in the thermal transfer printing sheet is thermally transferred to the surface of the thermal transfer image-receiving sheet 20 to form thereon a desired image 28.
The releasing part 30 is composed of the release layer 26 and the release substrate 27. The releasing part 30 is, for example, such that one surface of a conventionally known plastic film or polyethylene-coated paper (release substrate 27) (in the case of polyethylene-coated paper, the polyethylene-side surface) is treated with a known releasing agent such as silicone to form a release layer 26. Specifically, “Lumirror T-60” (thickness: 50 μm) manufactured by Toray Industries, Inc., Japan, or “W-400” (thickness: 38 μm) manufactured by Dia Foil Kabushiki Kaisha, Japan can be used. The thickness of the releasing part 30 varies depending upon the properties of the material used; it is however preferable that the thickness be in the range of 20 to 150 μm. When the thickness of the releasing part 30 is less than 20 μm, the resulting thermal transfer image-receiving sheet 20 is limp, so that it cannot be carried by a thermal transfer printer, or tends to be wrinkled. On the other hand, when the releasing part 30 is too thick, the resulting thermal transfer image-receiving sheet 20 has an excessively large thickness. An excessively heavy load is thus imposed on a thermal transfer printer while it is carrying such a thermal transfer image-receiving sheet 20. As a result, the thermal transfer printer gets out of order, or cannot properly carry the thermal transfer image-receiving sheet 20.
“Crisper G1212” manufactured by Toyobo Co., Ltd., Japan, or “E-60” manufactured by Toray Industries, Inc., Japan, for example, can be used as the oriented or non-oriented polyethylene film (polyethylene terephthalate film).
For the pressure-sensitive adhesive layer 23, pressure-sensitive adhesive agents obtained by dissolving conventionally known resins or rubber in organic solvents, or by dissolving or dispersing known resins or rubber in aqueous solvents can be used. Useful for preparing the pressure-sensitive adhesive agents are, for example, polyvinyl acetate, acrylic resins, vinyl acetate—acrylic copolymers, vinyl chloride—vinyl acetate copolymers, ethylene—vinyl acetate copolymers, polyurethane, natural rubber, chloroprene rubber, nitrile rubber, and the like.
A conventionally known material can be used for the seal substrate 22. It is preferable to use, for example, a polypropylene film containing therein microvoids (extremely small vacancies) such as “Toyopal SS P4255” (thickness: 35 μm) manufactured by Toyobo Co., Ltd., Japan, or “MW 247” (thickness: 35 μm) manufactured by Mobile Plastic Europe Corp, or a polyethylene terephthalate film containing therein microvoids (extremely small vacancies) such as “W-900” (thickness: 50 μm) manufactured by Dia Foil Kabushiki Kaisha, Japan or “E-60” (thickness: 50 μm) manufactured by Toray Industries, Inc., Japan.
In the seal substrate 22 made of the above-described laminate, a film of polyethylene terephthalate, polyethylene, polypropylene or the like can be used as the resin film containing therein no microvoids. The thickness of this resin film varies depending on the properties of the film and on whether the film has been oriented or not; however, the thickness is preferably about 10 to 50 μm. When this resin film is too thin, it is limp. Therefore, wrinkles tend to appear on the resulting thermal transfer image-receiving sheet 20 due to thermal shrinkage during the formation of an image carried out by a thermal head or the like. On the other hand, the resin film is too thick, the resulting thermal transfer image-receiving sheet 20 tends to curl due to heat setting while an image is being formed by using a thermal head or the like. “Lumirror S-10” (thickness: 38 μm) manufactured by Toray Industries, Inc., Japan can be mentioned as a preferred example.
Further, a conventionally known resin film containing therein microvoids such as a polypropylene or polyethylene terephthalate film can be used as the resin film containing therein microvoids. A polypropylene film is particularly preferred because this film is excellent in both cushioning properties and insulating properties, and can allow a dye to uniformly and efficiently transfer to the receptive layer 21 when the resulting thermal transfer image-receiving sheet 20 and a thermal transfer printing sheet are brought into pressure contact by a thermal head. It is preferable that the thickness of such a resin film be approximately 30 to 60 μm. “Toyopal P4255” (thickness: 35 μm) and “Toyopal P 4256” (thickness: 60 μm) manufactured by Toyobo Co., Ltd., Japan are preferred examples.
In the case where the above-described laminate is used as the seal substrate 22, a conventionally known method such as dry lamination using a reaction-hardening-type (or pressure-sensitive- or heat-sensitive-type) adhesive agent dissolved in a solvent, non-solvent lamination (hot-melt lamination) using a reaction-hardening-type (or pressure-sensitive- or heat-sensitive-type) adhesive agent containing no solvent, or sandwich lamination for laminating two films in which a melt-extruded thermoplastic resin is placed between the films can be used as a method for laminating a resin film containing therein no microvoids to one containing therein microvoids. Preferred methods are dry lamination and non-solvent lamination. Examples of adhesive agents suitable for dry lamination include “Takelack A969V” (main agent)/“Tekenate A-5” (hardening agent) (mixing ratio=3/1) manufactured by Takeda Chemical Industries, Ltd., Japan. The amount of the adhesive agent to be applied is from about 1 to 8 g/m2, preferably from 2 to 6 g/m2 on dry basis. On the other hand, “Takenate A-720L” manufactured by Takeda Chemical Industries, Ltd., Japan can be mentioned as an adhesive agent suitable for non-solvent lamination.
In general, the main component of the receptive layer 21 is a thermoplastic resin. Examples of materials useful for forming the receptive layer 21 include ethylene—vinyl acetate copolymers, polyolefins such as polypropylene, copolymers of olefin monomers and other vinyl monomers, ionomers, cellulosic derivatives such as cellulose diacetate, vinyl chloride—vinyl acetate copolymers, halogenated polymers such as polyvinylidene chloride, polyvinyl acetate, polyesters such as polyacrylic esters and linear polyesters, polystyrene resins, polycarbonate resins, and polyamide. Of these, particularly preferred are polyesters, vinyl chloride—vinyl acetate copolymers, and mixtures thereof.
Specific examples of the aforementioned embodiments of the present invention will be given hereinafter. Examples and Comparative Examples mentioned here are focused on the second embodiment described above. In the following description, quantities expressed in “part” and “%” are based on weight.
A substrate for a receptive layer was firstly made in the following manner. A primer-layer-forming coating liquid having the following composition was applied to one surface of a polyethylene terephthalate film having therein microvoids (trade name “Lumirror E-63 #50” manufactured by Toray Industries, Inc., Japan, thickness: 50 μm) in an amount of 1.0 g/m2 on dry basis, and then dried to form a primer layer. To this primer layer, a receptive-layer-forming coating liquid having the following composition was further applied in an amount of 4.0 g/m2 on dry basis, and then dried to form a receptive layer.
Urethane resin (“DP Urethane” manufactured
Hardening agent (“Coronate 2030” manufactured
(“#1000A” manufactured by Denki
Polyester resin (“Vylon 600” manufactured by
(“Denkalack #400A” manufactured by
Vinyl-modified silicone (“X-62-1212” manufactured
Catalyst (“CAT-PLR-5” manufactured by
Catalyst (“CAT-PL-50T” manufactured by
Acrylic copolymer (“SK Dyne 1310L” manufactured
Epoxy resin (Hardening agent “E-AX” manufactured
On the other hand, 0.1 g/m2 (dry basis) of a release-layer-forming coating liquid having the following composition was applied, by means of gravure coating using a cellular plate, to one surface of a release sheet, a biaxially oriented polyethylene terephthalate film (trade name “Crisper G1212” manufactured by Toyobo Co., Ltd., Japan, thickness: 100 μm) whose surface had been subjected to corona discharge treatment. Before drying this layer applied, a smoothing roll having a smooth surface was pressed against its surface. Thereafter, this layer was dried in front of a drying hood at 130� C. for 15 seconds to form a release layer. This release layer and the above-prepared laminate were then laminated with the surface of the release layer facing the pressure-sensitive adhesive layer of the laminate. In this step, the viscosity of the coating liquid (measured by a zahn cup #3) was 15 seconds.
<Composition of Release-Layer-Forming Coating Liquid>
Addition-polymerization-type silicone
(“KS-847H” manufactured by
To the surface of the receptive layer, a quaternary ammonium chloride compound (a 1/1000 dilute solution of “TB-34” manufactured by Matsumoto Yushi-Seiyaku Company, Ltd., Japan) was applied as the antistatic agent. A half cut was then formed in the seal part as shown in FIG. 14 by a pressing method using an upper mold equipped with the following cutter blade, and a pedestal in combination, thereby producing a thermal transfer image-receiving sheet of Example 1 (cut into a sheet with the dimensions of 10 cm long by 15 cm broad, for instance). It is noted that the thickness of the seal part of the thermal transfer image-receiving sheet of Example 1 is 65 μm.
A thermal transfer image-receiving sheet of Example 2 was produced by using the same materials and steps as those used in Example 1 except that the cutter blade used in Example 1 was changed to the following one. It is noted that the thickness of the seal part of the thermal transfer image-receiving sheet of Example 2 is 65 μm.
A thermal transfer image-receiving sheet of Example 3 was produced by using nearly the same materials and steps as those used in Example 1 except that a pressure-sensitive adhesive layer was formed on the release layer on the release sheet and that the substrate and the release sheet were laminated under the conditions of 100� C. and 12 seconds with the other surface of the substrate (the surface opposite to the receptive layer) facing the pressure-sensitive adhesive layer provided on the release sheet. In Example 3, the pressure-sensitive adhesive layer was formed by applying, to the release layer on the release sheet, 10 g/m2 (dry basis) of a pressure-sensitive adhesive agent having the same composition as that of the pressure-sensitive adhesive agent used in Example 1. Further, a quaternary ammonium chloride compound (a 1% solution of “TB-34” manufactured by Matsumoto Yushi-Seiyaku Company, Ltd., Japan) was used as the antistatic agent to be applied to the surface of the receptive layer. It is noted that the thickness of the seal part of the thermal transfer image-receiving sheet of Example 3 is 65 μm.
A thermal transfer image-receiving sheet of Comparative Example 1 was produced by using the same materials and steps as those used in Example 1 except that the viscosity of the silicone (coating liquid) used in Example 1 was changed to 11 seconds. It is noted that the thickness of the seal part of the thermal transfer image-receiving sheet of Comparative Example 1 is 65 μm.
A thermal transfer image-receiving sheet of Comparative Example 2 was produced by using the same materials and steps as those used in Example 1 except that the viscosity of the silicone (coating liquid) used in Example 1 was changed to 20 seconds. It is noted that the thickness of the seal part of the thermal transfer image-receiving sheet of Comparative Example 2 is 65 μm.
A thermal transfer image-receiving sheet of Comparative Example 3 was produced by using the same materials and steps as those used in Example 1 except that the cutter blade used in Example 1 was changed to the following one. It is noted that the thickness of the seal part of the thermal transfer image-receiving sheet of Comparative Example 3 is 65 μm.
The above-obtained thermal transfer image-receiving sheets of Examples 1 to 3 and Comparative Examples 1 to 3 were evaluated by subjecting them to thermal transfer printing under the following conditions.
Each one of the thermal transfer image-receiving sheets of Examples and Comparative Examples was cut into sheet form; 100 sheets of each image-receiving sheet were continuously fed to a printer, “UPC200” manufactured by SONY Corporation, Japan; and the rate of occurrence of troubles such as peeling was evaluated.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5393727 *Nov 30, 1993Feb 28, 1995Dai Nippon Insatsu Kabushiki KaishaImage-receiving sheetUS5811371 *Mar 27, 1997Sep 22, 1998Dai Nippon Insatsu Kabushiki KaishaImage-receiving sheetUS6162517 *May 13, 1997Dec 19, 2000Dai Nippon Printing Co., Ltd.Image-receiving sheet for thermal transfer printingJPH08282135A * Title not availableJPH09315020A * Title not availableJPH10100495A * Title not availableJPH10157318A * Title not availableJPH10329436A * Title not available* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS6761788 *May 30, 2002Jul 13, 2004Polaroid CorporationThermal mass transfer imaging systemUS7021666 *Feb 26, 2001Apr 4, 2006Foto-Wear Inc.Transferable greeting cardsUS7501170Aug 25, 2006Mar 10, 2009Avery Dennison CorporationCard sheet construction with opposing registered cut linesUS7514134Aug 28, 2002Apr 7, 2009Avery Dennison CorporationCard sheet constructionUS7531227 *Nov 15, 2004May 12, 2009Avery Dennison CorporationCard sheet constructionUS7534479Nov 30, 2004May 19, 2009Avery Dennison CorporationPrintable snap-breakable polymer sheetUS7699002Oct 24, 2007Apr 20, 2010Avery Dennison CorporationMethod of forming a printed business cardUS7833598 *Mar 8, 2001Nov 16, 2010Avery Dennison CorporationSplittable sheet structureUS7846521May 20, 2005Dec 7, 2010Avery Dennison CorporationPrintable and splittable mediumUS8003184Aug 8, 2007Aug 23, 2011Avery Dennison CorporationClean edged cards on plastic carrierUS8524141 *May 6, 2004Sep 3, 2013Martin UtzMethod of making a card sheetUSRE41649Aug 29, 2007Sep 7, 2010Avery Dennison CorporationLaser or ink jet printable business card systemUSRE41650Aug 29, 2007Sep 7, 2010Avery Dennison CorporationAssembly for passing through a printer or copier and separating out into individual printed mediaUSRE42719Jan 14, 2011Sep 20, 2011Avery Dennison CorporationCard sheet construction with opposing registered cut linesUSRE42798Jan 14, 2011Oct 4, 2011Avery Dennison CorporationPrintable snap-breakable polymer sheetUSRE43094Jan 14, 2011Jan 10, 2012Avery Dennison CorporationCard sheet constructionUSRE43165Jan 14, 2011Feb 7, 2012Avery Dennison CorporationCard sheet construction* Cited by examinerClassifications U.S. Classification503/227, 428/32.39International ClassificationB41M5/40, B41M5/382, B41M5/42, B41M5/52, B41M5/00Cooperative ClassificationB41M5/42, B41M5/40, B41M2205/06, B41M2205/02, B41M5/502, B41M5/382European ClassificationB41M5/50BLegal EventsDateCodeEventDescriptionApr 25, 2000ASAssignmentOwner name: DAI NIPPON PRINTING CO., LTD., JAPANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MIHARA, KIYOMARO;TSUDA, KENJI;OHYAMA, WATARU;REEL/FRAME:010726/0950Effective date: 20000418Owner name: DAI NIPPON PRINTING CO., LTD. SHINJUKU-KU 1-1, ICHOwner name: DAI NIPPON PRINTING CO., LTD. SHINJUKU-KU 1-1, ICHFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MIHARA, KIYOMARO;TSUDA, KENJI;OHYAMA, WATARU;REEL/FRAME:010726/0950Effective date: 20000418Sep 30, 2005FPAYFee paymentYear of fee payment: 4Sep 24, 2009FPAYFee paymentYear of fee payment: 8Oct 24, 2013FPAYFee paymentYear of fee payment: 12RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services