baber/WOPTO huggingface dataset:
Patent JP-2003138942-A (JP)
Title: Method of cleaning inside of water-cooled engine system, and method of regenerating coolant
Inventor: MURATA MITSUZO
IPC: F01P11/06
Filed: 2001-10-12
Abstract: PROBLEM TO BE SOLVED: To allow a safe operation, increase the service life of coolant, and protect a natural environment by efficiently regenerating the coolant in a short period of time without disposing off the coolant. SOLUTION: In these methods, the cleaning of the inside of a water-cooled engine system to which a thermostat is connected in series to the engine side of a hose for connecting an engine to a radiator and the purification treatment of the coolant are performed simultaneously. The upper hose 4 between the engine 1 and the radiator 2 is disconnected from the radiator side, the cleaning solvent feed hose 10 of a cleaning and purification system is connected to the hose 4, and a cleaning solvent suction hose 11 is connected to a connection port 7 on the radiator side. Then the cleaning and purification system is operated to forcibly open the thermostat 6 by a hydraulic pressure to circulate the coolant. As a pump, an air diaphragm pump can be used.
Patent JP-2003121880-A (JP)
Title: Liquid crystal display device
Inventor: SATO SUSUMU
IPC: G02F1/13357
Filed: 2001-10-15
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device provided with a liquid crystal display panel holding a liquid crystal layer between two sheets of substrates, containing a liquid crystal and at least one or more kinds of fluorescent dichroic pigments in the liquid crystal layer, having a wide viewing angle and a simple structure, and attaining a bright multicolor display. SOLUTION: The liquid crystal display device is characterized by providing a reflection member disposed on a surface of a sheet out of the two sheets of the substrates opposite to the surface confronting the liquid crystal layer. A reflection plate, a reflection polarizing plate, a selective reflection plate or the like are used for the reflection member.
Patent JP-2003121611-A (JP)
Title: LENS MADE OF SEMICONDUCTOR MATERIAL CONTAINING Al, SURFACE OPTICAL ELEMENT USING THE SAME AND METHOD FOR MANUFACTURING LENS
Inventor: FUKUTANI KAZUHIKO
IPC: G02B1/00
Filed: 2001-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a lens such as a microlens which can be mass-produced by an easy method and can be formed with high controlling property for its profile. SOLUTION: The lens 204 consists of a semiconductor material containing at least Al. A columnar semiconductor region is formed on a substrate in such a manner that the semiconductor region has uniform composition in a plane parallel to the substrate 201 and has the Al concentration varying in the direction perpendicular to the substrate 201, and the columnar semiconductor region is partly wet-etched on its side wall face to constitute the semiconductor region 204. The region 204 has a three-dimensional form which is effective to ray processing such as ray condensing.
Patent JP-2003128776-A (JP)
Title: Copolyester and heat bondable fiber
Inventor: TSUKAMOTO RYOJI
IPC: D01F8/14
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To obtain a heat bondable fiber which can provide a nonwoven fabric having excellent low-temperature heat bonding properties to a polyester fiber including polyethylene terephthalate and an excellent hue. SOLUTION: This heat bondable fiber comprises a copolyester as a heat- bonding component which contains 2-10 mmol% calculated as titanium metal element of a titanium compound soluble in a polymer based on the total dicarboxylic acid components, and composed of 50-80 mol% of an ethylene terephthalate unit and 20-50 mol% of an ethylene isophthalate unit in the components constituting the polyester, satisfies the formula (1): 2<=P/Ti<=15 and/or formula (2): 10<=Ti+P<=100 (Ti is the concentration (mmol%) of the titanium metal element of the polyester-soluble titanium compound contained in the polyester; P is the concentration (mmol%) of phosphorus element of a phosphorus compound contained in the polyester) and has 0.35-0.64 intrinsic viscosity.
Patent JP-2003120405-A (JP)
Title: Machine fuel usage statement preparing system, fuel usage statement preparing method, and fuel usage statement preparing program
Inventor: FUKUSHIMA HIDETADA
IPC: G06F19/00
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To provide a machine fuel usage statement preparing system for facilitating recognition of usage status of a fuel used for operating a machine and in particular facilitating preparation of a report for exempting from a gas oil delivery tax included in a fuel price. SOLUTION: Based on operation information of construction machines 1, 2 acquired by an operation information acquisition means of a server 10, a fuel consumption calculation means computes consumption of the fuel for operating the construction machines 1, 2. Based on the consumption of the fuel computed by the fuel consumption calculation means and on a supplied fuel amount acquired by an oil supply result acquisition means, a statement form creation means calculates the number of operation days of the construction machines 1, 2 and the fuel consumption in the operation days and prepares a statement form. When the construction machines 1, 2 are operated in a construction area other than private grounds and public streets, the report to be applied for exempting from the light oil delivery tax included of the fuel oil is automatically prepared as a statement form.
Patent JP-2003127319-A (JP)
Title: Polyester film for magnetic recording medium and magnetic recording tape
Inventor: ONO MASAAKI
IPC: G11B5/733
Filed: 2001-10-22
Abstract: PROBLEM TO BE SOLVED: To provide a polyester film for a magnetic recording medium which is suitable to manufacture a DVC tape having excellent traveling durability and little drop-out even the back coat coating speed is increased. SOLUTION: The polyester film for the magnetic recording medium is provided by forming a film containing fine particles and organic compounds on one side surface of one side of the polyester film. The fine surface projections formed by the fine particles are on the surface of the film. The diameter of the fine surface projection is 5-100 nm, and the number thereof is 3 milion-90 milion pieces/mm<2> . The Ra value of a surface A of the film is 1-5 nm, and the Rmax value thereof is 60 nm or less. In a film surface B on the opposite side of the film surface A, the frictional electrification potential with respect to hard chromium is minus.
Patent JP-2003132605-A (JP)
Title: Chucking mechanism of tape drive
Inventor: TANGI YOSHINORI
IPC: G11B15/67
Filed: 2001-10-22
Abstract: PROBLEM TO BE SOLVED: To easily obtain height accuracy for a reel hub gear. SOLUTION: This mechanism includes a reel driver 120, and the reel hub 205 of a tape cartridge 200 engaged with the reel driver 120 when the reel driver 120 is raised. The reel driver 120 has a drive gear 120f engaged with the reel hub 205, and a drive gear reference surface 120L for defining a position in a height direction. The reel hub 205 has a reel hub gear 205f , and a reel hub reference surface 205L. The height direction is defined by the reel hub reference surface 205L and the drive gear reference surface 120L on the same plane.
Patent JP-2003132758-A (JP)
Title: Switch structure
Inventor: HAGA MITSUHIRO
IPC: H01H13/06
Filed: 2001-10-23
Abstract: PROBLEM TO BE SOLVED: To provide a switch structure which has a few parts number, has easy attachment procedure, and has a waterproofing function. SOLUTION: The switch structure part assembled in this camera is constituted with operation buttons 9A and 9B, a switch board 22, to which a point-of-contact group is arranged, a switch board pressing board 24, and a wall parts 2g which is prepared inside a back cover 2 and surrounds the operation part of the switch board 22. In the above switch board 22, surrounding shape convex part 2d, which contacts to a tip plane surface 2c of the above wall part 2g, is prepared in the state along with the wall part 2g.  If the switch board 22 is pressed from the back face of a press board 24, the tip plane surface 2c and the surrounding shape convex part 2d of the wall part become in an adhesion state, the switch point-of-contact part and the main board part 12 in the back cover 2 are isolated from the circumferences of the operation buttons 9A and 9B, which go through to an appearance part, and are kept in the waterproofing state.
Patent JP-2003128060-A (JP)
Title: Transformed seamless can and its manufacturing method
Inventor: KOBAYASHI TOMOSANE
IPC: B65D8/04
Filed: 2001-10-29
Abstract: PROBLEM TO BE SOLVED: To provide a transformed seamless can that is hard to buckle when load is applied in the direction of its body height, and that does not buckle from a tapered part by axial load at the time of wind-fastening. SOLUTION: The transformed seamless can 1 comprises a body part 2 that is constituted of an upper part 2a having a cylindrical form and a lower part 2b having a form of a frustum of a reverse cone, with a thick-wall part 2f being provided at the border portion between the upper part 2a and the lower part 2b or in the vicinity thereof. The can is also characterized in that the lower part 2b is bent inward or in a tapered state.
Patent JP-2003139717-A (JP)
Title: Method and device for inspecting defect
Inventor: TSURUOKA SHINSUKE
IPC: G03G21/00
Filed: 2001-10-30
Abstract: PROBLEM TO BE SOLVED: To speedily carry out inspections on a plurality of inspection items for the surface condition of an object to be inspected. SOLUTION: Every time a group of inspection stations comprising a plurality of inspection means and a plurality of jigs to supply an object to be inspected to each inspection means and to position it are indexed, an inspection by each inspection means is successively carried out. Thereby, a plurality of inspections can be simultaneously carried out.
Patent JP-2003138567-A (JP)
Title: Sheathing device
Inventor: WATANABE MASAAKI
IPC: E02D17/08
Filed: 2001-10-30
Abstract: PROBLEM TO BE SOLVED: To offer simple and small construction allowing easy transportation and storage and easy alignment of struts to be connected. SOLUTION: The sheathing device comprises a sheathing material 10 to be installed in an excavation ditch 1, the struts 20, 30 pivotally mounted on the sheathing material 10 and having mutual ends connectable and disconnectable, a spring member for energizing elastic force to the direction of connecting the struts 20, 30, and a connection cylindrical body 16 for connecting connection portions of the struts 20, 30. The strut 20 has a screw stem 21 to be pivotally mounted on the sheathing material 10 and an expansible moving body 23 to be connected to an operation nut 22 to be screwed to the screw stem 21 and to be mounted on the screw stem 21 in only a slidable manner.  The strut 30 has a base stem 31 to be pivotally mounted on the sheathing material 10, an intermediate cylindrical body 32 to be mounted on the base stem 31 in a slidable and length-adjustable manner, and the connection cylindrical body 16 to be mounted on the outer periphery of the intermediate cylindrical body 32 for encircling and connecting the connection portions of both struts 20, 30. The expansible moving body 23 and the connection cylindrical body 16 can be fixed to each other with a fixing member.
Patent JP-2002359504-A (JP)
Title: Non-reciprocal circuit element and communication apparatus
Inventor: MAKINO TOSHIHIRO
IPC: H01P1/365
Filed: 2001-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a non-reciprocal circuit element and a communication apparatus that ensure high reliability on connection of an electric circuit element, can change their designs with ease, and are suitable for mass production. SOLUTION: The non-reciprocal circuit element is constituted by a metal case, two permanent magnets, a center electrode assembly, a wiring board 30, matching capacitor elements C1 to C4, a resistance element R, an element mounting board 40, and so on. An adhesive resin 51 is filed between the wiring board 30 and the element mounting board 40 by using a dispenser, and the adhesive resin 51 is set. Hence, the wiring board 30 and the element mounting board 40 are bonded firmly to each other by the adhesive resin 51. Namely, the wiring board 30 and the element-mounting board 40 hold the matching capacitor elements C1 to C4 and the resistance element R, that are placed in between the boards. As the adhesive resin 51, thermosetting resin, ultraviolet curing resin, and visible light curing resign are used.
Patent JP-2003136809-A (JP)
Title: Open/close mechanism of printer
Inventor: TERADA SHOICHI
IPC: B41J29/13
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To reduce the opening/closing area at the time of operation while reducing the size of an opening/closing mechanism section by locating the center of opening/closing operation thereby decreasing the radius of rotation of a unit being opened/closed. SOLUTION: An upper unit 1 is unlocked by pushing an opening/closing lever 20. Since the rearward (rightward direction on the drawing) force of a torsion spring 6 acts on the upper unit 1, the upper unit 1 is rotated rearward about a hinge 7 as the central axis. Consequently, interlocked covers 4 and 5 covering the upper part of a printer are moved and the interior of the printer is opened around the hinge 7.
Patent JP-2003135974-A (JP)
Title: Photocatalyst material and photocatalyst coating agent prepared by using the same
Inventor: OKUSAKO AKINORI
IPC: C09D1/00
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To obtain a photocatalyst material showing continuously high catalytic activity and a photocatalyst coating agent prepared by using the photocatalyst. SOLUTION: The photocatalyst material contains titanium oxide as the main component and metal compounds except for titanium oxide present on a part of the surface of the titanium oxide. The metal compounds are, for example, single oxides of metals such as zirconium, hafnium, vanadium, niobium, tantalum, molybdenum, tungsten, manganese, iron, cobalt, nickel, copper, aluminum, gallium, indium and tin, or sodium oxide, potassium oxide, magnesium oxide, calcium oxide, barium oxide, lanthanum oxide, cerium oxide, zinc oxide, sodium carbonate, potassium carbonate, magnesium carbonate, calcium carbonate, barium carbonate, lanthanum carbonate, cerium carbonate or zinc carbonate.
Patent JP-2003140445-A (JP)
Title: Charging member and image forming apparatus
Inventor: ARATAIRA FUMIHIRO
IPC: G03G15/02
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus for which contact electrostatic charge is used and which prevents the end chipping, image deletion, toner splashing, end leak, etc., of a photoreceptor. SOLUTION: This image forming apparatus has a process step of charging the photoreceptor by bringing a charging member into contact with the photoreceptor and applying a voltage thereto, a latent image forming process step of forming an electrostatic latent image on the photoreceptor by performing image exposure, a developing process of forming the electrostatic latent image to visualize by a toner and a process step of transferring a toner image onto a transfer material, in which the photoreceptor 1 is about amorphous silicon photoreceptor, the charging member 3 is formed by having an elastic layer 32 of the middle electric resistance into contact with the photoreceptor 1 on a conductive substrate 31 to be applied with at least the charging voltage, the middle resistance elastic layer 32 is in contact with a non-image forming region section (b)  at the end in the longitudinal direction of the photoreceptor and the middle resistance elastic layer of the portion corresponding to the non-image forming region is formed on the conductive substrate 31 across an electrical insulating layer 33.
Patent JP-2003142011-A (JP)
Title: Electron gun and its manufacturing method, cathode-ray tube and display device
Inventor: KOJIMA AKIHIRO
IPC: H01J29/04
Filed: 2001-11-06
Abstract: PROBLEM TO BE SOLVED: To provide an electron gun capable of obtaining optimum hollow beams, a cathode-ray tube and a display device capable of obtaining an image with high brightness and high resolution. SOLUTION: This electron gun 1 has an electron emission suppressing region 9 formed by including laser beam machining utilizing a plasma liberation phenomenon (for example, laser beam machining using femtosecond laser), and is composed of a cathode body structure 2 emitting hollow electron beams having no heat modified part and/or no heat deformed part caused by laser beam machining in the periphery of the electron emission suppressing region 9, and a plurality of electrodes G1 , G2 , and 3. The cathode-ray tube has the electron gun 1. The display device has the cathode-ray tube.
Patent JP-2003138018-A (JP)
Title: Aqueous dispersion and coated material
Inventor: ISHIZUKI KENJI
IPC: C09D183/02
Filed: 2001-11-08
Abstract: PROBLEM TO BE SOLVED: To obtain an aqueous dispersion which has extremely excellent storage stability, and besides, an excellent performance balance of adhesion, alkali resistance, organic solvent resistance, moisture resistance, weather resistance, (hot) water resistance, stain resistance, and the like, and which can form a coating having transparence and high hardness and is useful for a coating agent. SOLUTION: The aqueous dispersion is obtained by a hydrolysis condensation reaction and a radical polymerization in an emulsion state of a mixture comprising (A) at least one selected from the group consisting of an organosilane, a hydrolyzate and a condensate of the organosilane, (B) a fluorine-containing radical polymerizable vinyl monomer, and (C) another radical polymerizable vinyl monomer copolymerizable with the (B) component.
Patent JP-2003147798-A (JP)
Title: Arm type work machine
Inventor: NARISAWA JUNICHI
IPC: E02F3/43
Filed: 2001-11-09
Abstract: PROBLEM TO BE SOLVED: To easily seize a maximum work range of the arm tip in an arm type work machine for carrying out locus control. SOLUTION: In locus control for fixing a first arm 3, and driving a second arm 4 and a third arm 5, the solution of arm angles A2 and A3 is arithmetically operated so that a work radius becomes constant (r=ra) or the work height becomes constant (H=Ha) when the second arm 4 and the third arm 5 are respectively upper limit and lower limit stroke ends. Thus, the 8 solutions are determined. The optimal two solutions for effectively controlling the locus are selected from these solutions. Maximum work ranges H1, H2, r1 and r2 are determined by using the solutions, and the ranges are displayed on a monitor 34.
Patent JP-2003153477-A (JP)
Title: Rare earth element magnet unit
Inventor: YAMAGUCHI NORIO
IPC: C22C28/00
Filed: 2001-11-09
Abstract: PROBLEM TO BE SOLVED: To provide a rare earth element magnet unit in which a magnetic loss is small, and a thermal stress generated between a rare earth element magnet and a soft magnetic material can be alleviated and also the same effect can be obtained for the rare earth element magnet having a large connecting area. SOLUTION: The rare earth element magnet unit comprises the rare earth element magnet 3 connected to the soft magnetic material 1 via an intermediate member in such a manner that at least one of the connecting part is brazed and the member 2 is made of a stainless steel foamed metal.
Patent JP-2003148247-A (JP)
Title: Laser thruster system by wire transmission system
Inventor: SHINNO MASAYUKI
IPC: F02K9/08
Filed: 2001-11-12
Abstract: PROBLEM TO BE SOLVED: To provide a system capable of easily adjusting a laser irradiation position to a propellant without receiving restrictions of a positional relation with a laser source for laser transmission and an installation place of a member in a laser propulsion system provided with advantageous conditions as a thrust generator used in a space structure. SOLUTION: A laser thruster system is composed of a laser oscillator, a flexible optical cable transmitting laser from the laser oscillator to a desired section, and a plasma injection device installed in a desired section. The plasma injection device has a simple structure having no movable part constituted of an injection nozzle having a megaphone shape, a condensing lens provided in a mouth application part of the nozzle, and a solid propellant storage part provided continuously behind the mouth application part. Moreover, the system is mounted in a space structure and a plurality of plasma injection devices are arranged to obtain a large propulsion force, and are arranged in desired sections to control an attitude and position in a desired direction.
Patent JP-2003149592-A (JP)
Title: Display optical system, image display unit, and optical system and device for imaging
Inventor: TAKAGI AKINARI
IPC: G02B27/02
Filed: 2001-11-14
Abstract: PROBLEM TO BE SOLVED: To make a display optical system and an imaging optical system have a wide angle of view by increasing the power of an optical system to constitute a display optical system or imaging optical system by using a small- sized image display element. SOLUTION: The display optical system which guides light from an original picture 10 to the eye of an observer or a projected surface is provided with an optical element having a 1st surface 21b which has at least reflecting operation and a 2nd surface 21c which transmits light reflected by the 1st surface and a reflecting member 22 which reflects light projecting the optical element from the 2nd surface, transmits it through the 2nd surface again and makes it incident on the optical element, and returns the light to the initial light reflection area side in the 1st surface.
Patent JP-2003152292-A (JP)
Title: Wiring board
Inventor: MAKIHARA CHIHIRO
IPC: H01L23/12
Filed: 2001-11-19
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that appropriate isolation characteristics cannot be obtained because of signal leakage to the outside of electromagnetic waves generated from a wiring conductor, for example and it is difficult to transmit a high rate signal exceeding 60 GHz efficiently and accurately. SOLUTION: A wiring conductor 3 for a signal and a grand conductor layer 4a opposite thereto with an insulation layer 1b in between are provided to an insulation substrate 1 formed by laminating a plurality of insulation layers 1a and 1b, and a number of through conductors 5 connected with the grand conductor layer 4a are arranged by one respectively on both sides of the wiring conductor 3 along the wiring conductor 3, and then the through conductor 5 is made larger in length of its cross section along the wiring conductor than that in the orthogonal direction thereto, and a part of the through conductors 5 is made of ferrite. In such a wiring board, even if an ultrahigh rate signal is transmitted, electromagnetic wave noise from the wiring conductor 3 can be efficiently prevented from leaking to the outside.
Patent JP-2003144857-A (JP)
Title: Waste water treating method
Inventor: KAMEDA SHIGERU
IPC: B01D39/10
Filed: 2001-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a treating method for waste water containing contaminants such as dioxins generated from a refuse incinerating plant. SOLUTION: This treating method for the waste water which contains the contaminants including dioxins and heavy metals comprises a first process of performing settling treatment of the waste water provided as necessary, a second process of filtering the waste water with a filter body comprising a net having holes of uniform diameter, a third process of allowing the treated water obtained in the second process to contact with photocatalyst powder under the irradiation of ultra-violet rays and a fourth process of filtering the treated water obtained in the third process with an ultrafiltration membrane.