baber/WOPTO huggingface dataset:
Patent JP-2003207957-A (JP)
Title: Image forming method and image forming apparatus
Inventor: KOMATSU TORU
IPC: B41J2/44
Filed: 2002-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming method and an image forming apparatus by which image forming with stable image density is maintained over a long term by obtaining the optimum density of a patch for control regardless of the sensitivity change of an image forming body or the responsiveness of writing light by an exposure means.  <P>SOLUTION: By using the patch for control consisting of a dither pattern, an error diffusion pattern or a laser pulse width modulation pattern and fetching information on the sensitivity of the image forming body and the responsiveness of the writing light, a threshold to be used for arithmetic operation for deriving the density of the patch for control is changed and an image forming condition is controlled based on a density detection signal after developing the patch for control having the derived density in the image forming method and the image forming apparatus.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002303821-A (JP)
Title: Stereoscopic display device and screen control method of stereoscopic display device
Inventor: NOSE HIROYASU
IPC: G02F1/13
Filed: 2002-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a stereoscopic display device which enables an observer to observe a sharp image on a screen from his or her position without any feeling of physical disorder and a screen control method for the stereoscopic display device. SOLUTION: The stereoscopic display device which uses a lenticular lens 5 in front of an image display part 3 comprises a means which detects the sight line position of the observer on the display and a means which controls right-eye and left-eye images to be observed so that they are matched to each other on the display at the sight line detection position.
Patent JP-2003208464-A (JP)
Title: Operation method and system for electronic trade business
Inventor: KITAJIMA TETSUYA
IPC: G06Q40/04
Filed: 2002-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To easily, surely and efficiently exchange a traded article with valuable papers of a consideration thereof.  <P>SOLUTION: A transportation company server executes securities registration steps s403, s404 for registering the valuable papers received from an export supplier or the like as an electronic data in a memory means, a method notifying step s406 for notifying an acquiring method via a network of the valuable papers registered already in an import supplier terminal of an import supplier or a carrier terminal of a carrier receiving an intention of the import supplier, and a securities transmitting step s409 for transmitting the valuable papers to the import supplier terminal or the carrier terminal trying the acquirement of the valuable papers according to the acquiring method.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002226294-A (JP)
Title: Method and apparatus for manufacturing single crystal consisting of silicon
Inventor: VON AMMON WILFRIED
IPC: C30B15/00
Filed: 2002-01-16
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing silicon single crystal wherein yield is improved by decreasing transition frequency, drawing rate is enhanced for the purpose of productivity and relatively high concentration of oxygen is maintained in the single crystal. SOLUTION: The single crystal consisting of silicon is manufactured by drawing the single crystal from a melt in a crucible with a diameter of at least 450 mm wherein a heat shield is installed in its upper part. The single crystal with a diameter of at least 200 mm is drawn from the melt which is exposed to a moving magnetic field whose magnetic line approximately normal to a wall of the crucible influences the melt.
Patent JP-2002284811-A (JP)
Title: Production method for ethylene-vinyl alcohol copolymer
Inventor: KAWAHARA TAKAHARU
IPC: C08J3/20
Filed: 2002-01-16
Abstract: PROBLEM TO BE SOLVED: To provide a production method for an ethylene-vinyl alcohol copolymer whereby an alcohol can be efficiently removed without worsening the work environment and surrounding environment. SOLUTION: This production method has a step (step 1) wherein an ethylene- vinyl alcohol copolymer solution containing at least 50 pts.wt. alcohol having a boiling point of 100 deg.C or lower per 100 pts.wt. ethylene-vinyl alcohol copolymer is introduced into an apparatus to be contacted therein with water to draw out the alcohol together with water, and the resultant water-containing ethylene- vinyl alcohol copolymer composition containing 0-10 pts.wt. alcohol and 10-1,000 pts.wt. water per 100 pts.wt. ethylene-vinyl alcohol copolymer is drawn out of the apparatus; and a step (step 2) wherein the water-containing ethylene-vinyl alcohol copolymer composition is fed to an extruder, melt kneaded, and extruded out of the extruder.
Patent JP-2003212800-A (JP)
Title: Method for producing decalin by hydrogenating naphthalene
Inventor: KUMADA FUMIO
IPC: C07C13/50
Filed: 2002-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for efficiently producing decalin or a mixture of naphthenic hydrocarbon compounds consisting essentially of the decalin by hydrogenating naphthalene or a mixture of aromatic hydrocarbon compounds consisting essentially of the naphthalene.  <P>SOLUTION: This method for producing the decalin or the mixture of the naphthenic hydrocarbon compounds consisting essentially of the decalin by hydrogenating the naphthalene or the mixture of the aromatic hydrocarbon compounds consisting essentially of the naphthalene involves hydrogenating tetralin to provide the decalin by using the naphthalene or the mixture consisting essentially of the naphthalene with other aromatic hydrocarbon compounds, containing ≤50 mass ppm sulfur. When the mixture of the naphthalene with other aromatic hydrocarbon compounds is used, the mixture of the decalin with other naphthenic hydrocarbons is obtained. As a result, the decalin can be produced by the reaction under a low-pressure milder condition for a shorter time compared to those in hydrogenation of a naphthalene with ≥50 mass ppm sulfur content.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003210954-A (JP)
Title: Method of manufacturing hollow fiber membrane and hollow fiber membrane
Inventor: ISHIZAKI TOSHIYUKI
IPC: D01F6/12
Filed: 2002-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a hollow fiber membrane which has a high strength and a high water permeability, and can be manufactured on low environmental load and at a low cost by use of polyvinylidene fluoride resin, which has a high chemical resistance.  <P>SOLUTION: The manufacturing method of the hollow fiber membrane comprises the steps of producing a hollow fiber by solidifying a solution containing at least polyvinylidene fluoride resin, drawing the hollow fiber in the draw ratio of 1.1 to 4, and relaxing the drawn hollow fiber in the relaxation rate of 0.1 to 10%.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003223764-A (JP)
Title: Data reproducing device
Inventor: ITAKURA AKIHIRO
IPC: G11B20/18
Filed: 2002-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data reproducing device that can decode the data correctly while suppressing the drop of the transfer rate.  <P>SOLUTION: In a data reproducing device that generates decoded data by applying a decoding process to the reproduced signals from a recording medium according to the repetitive decoding matching the turbo encoding and reproduces the recorded data by applying predetermined error correction to the above decoded data, the data reproducing device has an error detector (48) to detect errors in the above decoded data, a first decision means (48, S2) to decide whether it is possible or not to correct the errors detected by the above detector (48), and a decoding controller (48, S3) to stop the above decoding process when it is possible.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003215170-A (JP)
Title: Current sensor
Inventor: KIMURA TADASHI
IPC: G01R15/20
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive current sensor easy to be assembled, and requiring no adjustment.  <P>SOLUTION: In this current sensor having a core butted with a pair of core pieces comprising ferromagnetic substance to form a closed magnetic path including a magnetic gap, and an IC built-in MR element arranged inside the magnetic gap, the paired core pieces formed into U-shaped core pieces having step differences in respective open parts, respective one-side end parts are butted each other, and the other-side end parts are opposed each other so as to form the magnetic gap.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003215676-A (JP)
Title: Strobe control system of single-lens reflex camera
Inventor: MAEKAWA TAKASHI
IPC: G03B7/17
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a strobe control system of a single-lens reflex camera which performs easy and consistent lighting control over an internal strobe regardless of presence/absence of an additional external strobe.  <P>SOLUTION: A CPU 21 monitors whether the internal strobe is in a pop-up state or charging completed state and turns on the internal strobe when the internal strobe is set to leading-curtain synchronization. An X signal is outputted regardless of the pop-up state of the internal strobe. When the external strobe 2 is set to front-curtain synchronization, simultaneous lighting is carried out. When the internal strobe is set to rear-curtain synchronization, the external strobe 2 emits light and when the front-curtain synchronization is set, only the external strobe 2 emits light. When the internal strobe is not in the pop-up state, the external strobe 2 is able to perform front-curtain lighting or rear- curtain lighting.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003213191-A (JP)
Title: Aqueous erasable marking pen ink composition
Inventor: NAKAMURA KEIKO
IPC: C09D11/16
Filed: 2002-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an aqueous erasable marking pen ink composition which is excellent in erasability of written lines even in the early stage after writing when the written lines are not yet dry enough, not to mention the stage after drying, and which does not leave behind colored stains on a white board.  <P>SOLUTION: This composition contains (d) a resin having a film-forming capability at normal temperature and an O/W emulsion which is prepared from (a) water as the solvent, (b) a colorant, and (c) an oily substance nonvolatile at normal temperature and having a viscosity at 20°C of 50 mPa sec or lower by using a nonionic surfactant as the emulsifier.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003219731-A (JP)
Title: Plant-mounting body
Inventor: KATAYAMA YOSHIMI
IPC: A01G9/02
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plant-mounting body capable of simply and rapidly forming an optional 3D form and holding many garden plants and flowers on a space for setting one flowerpot.  <P>SOLUTION: This plant-mounting body A is obtained by piling up a plurality of pot members 1 to attain a predetermined height, wherein each pot member 1 has a first joint 2 above the member and a second joint 3 under the member, the adjoining piled pot members 1 are connected each other by a detachable joint of the first joint 2 of one pot element 1 of the adjoining elements and the second joint 3 of the other pot member 1 of the adjoining elements and, above the pot members 1, other than the positions of the first joints 2 or the second joints 3, recessed receiver parts 5 for receiving plants 6 are provided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003222915-A (JP)
Title: Waveguide type liquid crystal optical switch
Inventor: KAWAMOTO SHINJI
IPC: G02F1/313
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical switch which has low electric power consumption and low insertion loss, is inexpensive, and further has no dependence on a polarized wave.  <P>SOLUTION: The optical switch is provided with an optical waveguide having a pair of closely arranged cores 1A and 1B, and an optical path is switched over between both the cores. The waveguide type liquid crystal optical switch is provided with a crystal liquid layer 4 in which a space which is covered by the pair of cores or a space which strides over both the cores and covers only the upper face of the cores is filled with a nematic liquid crystal, a first pair of electrodes 2A and 2B which are arranged opposed to the pair of cores in an outer horizontal direction of the cores, a second pair of electrodes which are placed opposite to each other to cover the liquid crystal layer in the direction perpendicular to the first pair of electrodes and controlled independent of the first pair of electrodes, and a clad 3 which integrally encloses the core, the liquid crystal layer, the first pair of electrodes and the second pair of electrodes.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003220766-A (JP)
Title: Heat-sensitive recording material
Inventor: ONOE AKIRA
IPC: B41M5/30
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat-sensitive recording material with high whiteness, excellent color developing sensitivity, high color developing density and excellent storage stability of a color-developed image.  <P>SOLUTION: In the heat-sensitive recording material comprising an electron- donating color developing compound and an electron-accepting compound, the heat-sensitive recording material is characterized by comprising bis(4- hydroxyphenyl) sulfoxides of formula (1) (wherein R is a hydrogen atom or a methyl group) as the electron-accepting compound. The heat-sensitive recording material exhibits high whiteness, excellent color developing density and excellent storage stability (water-vapor resistance, heat resistance and light-resistance) of the color-developed image.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003220840-A (JP)
Title: Opening structure of fuel tank and manufacturing method of fuel tank having opening structure
Inventor: GOTO SADAJIRO
IPC: B29C49/20
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To surely prevent the permeation of a fuel through a resin member on an opening and make it possible to join an annular member to the opening in a integral and proper manner in a fuel tank formed with a resin member having a plurality of layers.  <P>SOLUTION: The resin member having an outer layer Po, an inner layer Pi, and a middle layer B is subjected to blow molding to integrally form the fuel tank body 1 and the opening 1h. On the opening, a tubular part 1e extends on the outside of the fuel tank, and a folded part 1b extends from the front end of the tubular part in the direction of widening the diameter of the opening to form a overlapping part 1d having an outer surface parallel to the opening surface. Meanwhile, stepped parts are formed on the annular member 2, on which a recession 2f is also formed to have an opening on the lower side against the upper side of the stepped parts. Then, a part of the overlapped part 1d is compressed to form a compressed part 1c, and part of the resin member is guided into the recession 2f of the annular member 2 to integrally join the annular member 2 to the opening.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003226679-A (JP)
Title: Method for producing 2,5-di(haloanilino)-3,6- dihydroterephthalic acid dialkyl ester and 2,5- di(haloanilino)terephthalic acid
Inventor: NEMOTO MUNETSUGU
IPC: C07C229/48
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a 2,5-di(haloanilino)-3,6- dihydroterephthalic acid dialkyl ester in a high yield and a high productivity per unit lot, and giving a 2,5-di(haloanilino)terephthalic acid in a high productivity by further oxidizing and hydrolyzing the compound.  <P>SOLUTION: This method for producing the 2,5-di(haloanilino)-3,6- dihydroterephthalic acid dialkyl ester by performing a reaction of a succinosuccinic acid dialkyl ester with aniline having a functional group selected from halogen atoms in its aromatic ring in a solvent uses methanol as the solvent. The method for producing the 2,5-di(haloanilino)terephthalic acid by oxidizing and hydrolyzing the compound is also provided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003229443-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: KASAI NORIHIKO
IPC: H01L21/56
Filed: 2002-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To improve production efficiency by preventing resin from leaking.  <P>SOLUTION: A semiconductor device comprises a substrate 7 including a plurality of connection terminals 7e formed around a concave portion 7b and a plurality of bump lands 7h arranged around the connection terminals; a semiconductor chip 1 disposed in the concave portion 7b; a plurality of wires 4 for connecting a pad 1a of the semiconductor chip 1 and the connection terminals 7e of the substrate 7; a sealing section embedded in the concave portion 7b; and a plurality of ball electrodes provided on the bump lands 7h of the substrate 7. A dummy wiring 7i covered with a solder resist 7f is formed in a region between the plurality of the connection terminals 7e of the substrate 7 and the plurality of the bump lands 7h, whereby a gap between a mold surface 12d of an upper mold 12 and the surface of the substrate 7 upon clamping the molds is buried with the dummy wiring 7i and the solder resist 7f covering the former, so that sealing resin 8 upon injecting the resin can be prevented from leaking, and as a result production efficiency in molding can be improved.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002347956-A (JP)
Title: Paper feeder and image formation device
Inventor: KATO MITSURU
IPC: B65H1/28
Filed: 2002-02-06
Abstract: PROBLEM TO BE SOLVED: To solve problems in changing sheet sizes of a first sheet storage part 1 and a second sheet storage part 2, wherein the positions of four side fences in total, respective side fences 51 and 52 of the first sheet storage part 1 and respective side fences 53 and 54 of the second sheet storage part 2 are detached and changed according to the sheet sizes so that the positional changes of the side fences in changing the sheet sizes are troublesome and it takes a lot of times. SOLUTION: This paper feeder is provide with the first sheet storage part 1 for stacking a sheet bundle 6A, the second sheet storage part 2 for stacking the sheet bundle 6B, a transfer fence 23 collectively transferring the paper bundle 6B to the first sheet storage part 1, a paper feed means feeding the uppermost sheet 6 on the first sheet storage part 1, and a pair of side fences 4 and 5 as paper alignment members integrating a first sheet alignment member and a second sheet alignment member for simultaneously aligning the both side ends of the sheet bundle 6A and the both side ends of the sheet bundle 6B.
Patent JP-2003233945-A (JP)
Title: Optical disk device and its control method
Inventor: HARADA TAKESHI
IPC: G11B7/085
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device capable of stably reading/writing data without causing any noise or the like due to disk vibration even if a noncircular irregular optical disk is loaded, and to provide a control method therefor.  <P>SOLUTION: The optical disk device is equipped with a motor 26 for rotating an optical disk 10, an optical pickup 20 for irradiating the optical disk 10 with a laser beam and reading reflected light from the optical disk 10, an identification means 22 that analyzes the signal of the reflected light detected by the pickup 20 and that identifies the shape of the loaded optical disk 10, and a rotation speed control means 24 that controls the rotation speed of the loaded optical disk 10 in accordance with the shape of the optical disk 10 identified by the identification means 22.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003237921-A (JP)
Title: Small article drop chute
Inventor: MAEDA TAKAAKI
IPC: B65G11/08
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lightweight small article drop chute of excellent handling property which can be manufactured at a low cost and reliably drop small articles such as tablets along a spiral track.  <P>SOLUTION: In this small article drop chute, lightweight guide plates 2a and 2b are arranged in a chute body 1 in a condition of a special inclination, the dropping small articles (t) are guided by the guide plates 2a and 2b, and the small articles (t) are dropped along a substantially spiral track.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003232440-A (JP)
Title: Vehicle control device
Inventor: TABATA ATSUSHI
IPC: B60W10/18
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle control device capable of improving turnout traveling performance of a vehicle when actuation of an engine having a solenoid-operated valve has abnormality.  <P>SOLUTION: When action abnormality occurs at an intake valve 74 as the solenoid-operated valve or an exhaust valve 75, driving of the vehicle is controlled as a vehicle control mode is changed to such a mode that engine brake force is reduced by a fail time control means 112. Engine brake force is thus reduced in turnout traveling. Generation of bad effects on turnout traveling performance caused by increase of engine brake force are favorably prevented.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003234635-A (JP)
Title: Crystal filter
Inventor: NISHIMORI TAKAAKI
IPC: H03H9/56
Filed: 2002-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a means for suppressing spuriousness generated on the high frequency side of a third overtone triple mode crystal filter.  <P>SOLUTION: Three electrodes are inclined for 10 degrees to 35 degrees to the Z' axis direction of an AT cut crystal substrate and arranged with a prescribed gap, one electrode is provided facing the electrodes and the third overtone triple mode crystal filter is constituted.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003235638-A (JP)
Title: Puff including cosmetic powder and its manufacturing method
Inventor: NAKAMURA KENJI
IPC: A45D33/34
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a puff including cosmetic powder and its manufacturing method, capable of preventing the leakage of cosmetic powder during the transportation and storage of the puff by using a powder sealing piece, preventing hands and clothes from being contaminated by the cosmetic powder when the puff is taken out, keeping the commodity value for a long time, and pulling out the powder sealing piece when the puff is used.  <P>SOLUTION: The puff having a structure where at least one end of the powder sealing piece is exposed to an outer part of the puff, is manufactured through a process for forming the cloth for a puff body into the specific shape, superposing two sheets of cloth in a state that the surfaces of the cloth are opposite to each other, holding a part of an easy-tearable powder sealing piece between two sheets of cloth, and sewing a peripheral edge part from a back side to form a case, and a process for reversing the case member to expose the surface of the cloth outside, accommodating an inner case for powder on a position where the discharge of powder is sealed by the sealing piece, and sealing an opening part of the case member.  <P>COPYRIGHT: (C)2003,JPO