baber/WOPTO huggingface dataset:
Patent JP-2004081898-A (JP)
Title: Gas reactor, reaction pipe and sample evaluation apparatus
Inventor: EKUSA TAKASHI
IPC: G01N31/10
Filed: 2002-08-22
Abstract: <P>PROBLEM TO BE SOLVED: To ensure required airtightness even if the clamping pressure of first and second pipe bodies constituting a heating oven is low.  <P>SOLUTION: The heating oven 12 in a gas reactor is constituted by joining a first pipe body 13 made of quartz glass and a second pipe body 14 made of a metal by interposing an expanded graphite packing 15 between both pipe bodies. The upper seal surface 13e of the first pipe body 13 is made flat while projections 14e are provided to the periphery of the lower seal surface 14c of the second pipe body 14 and the projections 14e are bored in the expanded graphite packing 15 to form a seal part. By the formed seal part, even if both pipe bodies are joined by the clamping pressure corresponding to the first pipe body 13 made of quartz glass, required airtightness is ensured and constant airtightness is kept without being affected by the surface roughness of the applied expanded graphite packing 15.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004083672-A (JP)
Title: Colorant for plastic and use thereof
Inventor: HAMADA NAOKI
IPC: C08L101/00
Filed: 2002-08-26
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a colorant which reduces warpage and deformation of a resin molding without losing excellent light resistance, heat resistance, migration resistance, etc., of an organic pigment.  <P>SOLUTION: The colorant comprises an organic pigment and an organic coloring matter derivative represented by the general formula (Pig is an organic coloring matter residue; X<SB>1</SB>-X<SB>5</SB>are each H, Cl, Br or Y; Y is an SR<SB>1</SB>, an OR<SB>1</SB>, an SO<SB>2</SB>NR<SB>1</SB>R<SB>2</SB>, a CH<SB>2</SB>NHCOCH<SB>2</SB>NR<SB>1</SB>R<SB>2</SB>or a CORNR<SB>1</SB>R<SB>2</SB>; at least one of X<SB>1</SB>-X<SB>5</SB>is Y; R<SB>1</SB>is a 2-30C alkyl group; R<SB>2</SB>is a hydrogen atom or a 2-30C alkyl group; n<SB>1</SB>and n<SB>2</SB>are each an integer of 1-4, respectively).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004088866-A (JP)
Title: Voltage conversion device and determination method, and record medium recording program for permitting computer to determine cause for failure in voltage conversion and capable of being read by computer
Inventor: OZAKI MASAHITO
IPC: H02M3/155
Filed: 2002-08-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a voltage conversion device capable of determining a cause for failure in a voltage converter for converting DC voltage from a DC power supply into output voltage.  <P>SOLUTION: A controller 30 receives a DC current IB from a current sensor 11 and determines whether or not the possible cause is a reactor L1. If not, the controller 30 turns off system relays SR1, SR2, discharges DC power accumulated in a capacitor C2 with a boosting converter 12 stopped, and determines which is the cause of failure, NPN transistors Q1, Q2 or a voltage sensor 13.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004088375-A (JP)
Title: Public key encryption processing system and method
Inventor: YANO YOSHIHIRO
IPC: H04L9/08
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To improve security for arranging a private key out of an IC card, in order to enable execution of public key encryption processing even in an IC card with little resources.  <P>SOLUTION: The public key encryption processing and method is provided with a portable recording medium for recording a private key, a medium usage means for restricting a user and an available device by the portable recording medium, and an encryption processing means for receiving the private key from the portable recording medium and conducting encryption computation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004095598-A (JP)
Title: Package for housing high-frequency device
Inventor: ONISHI ATSUSHI
IPC: H01L23/02
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a package for housing a high-frequency device wherewith high-frequency signal deterioration due to electromagnetic waves transmitted over high-frequency lines is prevented.  <P>SOLUTION: The package for housing a high-frequency device is provided with a circuit board 1 formed by alternately laminating insulating layers 1a and wiring conductor layers 1b, with the latter including ground lines 1c, and mounted with a mount S for a high-frequency device 7; and with a metal frame 2 attached to the side face of the circuit board 1 for surrounding the mount S and for electrically connecting the same to the ground lines 1c. The circuit board 1 comprises a first circuit board 1A assuming an upper position, and a second circuit board 1B assuming a lower position. The side face of the second circuit 1B is short of the side face of the first circuit board 1A, so that a part of the ground conductors 1c for the first circuit board 1A is exposed on its lower surface. The metal frame 2 has a protrusion 2b protruding from its inner circumference facing the side face of the second circuit board 1B. The upper surface of the protrusion 2b is connected via a conductive bond 8 to the ground conductor 1c exposed on the lower surface of the first circuit board 1A.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004091832-A (JP)
Title: Method for reforming and strengthening heat-resisting material, and member for high temperature having creep property strengthened at weld heat-affected zone
Inventor: SHINTANI SHIZUMA
IPC: C23C8/42
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To improve a creep property of a fresh material (including a renewed material) or an aged and deteriorated material of a heat resisting material, by introducing or infiltrating such a grain-boundary-strengthening element as to affect the creep strength and/or the fatigue strength into a base metal or a weld heat-affected zone, and to extend the life of the heat resisting material.  <P>SOLUTION: A method for reforming and strengthening the heat resisting material is characterized by jointing and diffusing such the grain-boundary-strengthening element as to affect the creep strength and/or the fatigue strength to the surface of the base metal or the weld heat-affected zone of the fresh material or the aged and deteriorated material, to improve the creep property of the base metal or the weld heat-affected zone, wherein the grain-boundary-strengthening material contains one or more elements selected from the grain-boundary-strengthening group of B, Hf, Zr, W, V, Nb, Ti and the other elements.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004094488-A (JP)
Title: Item discriminator body using radio
Inventor: SAKAI YASUHIRO
IPC: G06K19/07
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an item discriminator which uses radio and largely improves the versatility through obtaining electric power required for communications by using piezo-electric power generation device instead of a battery as a power source of an item identification body such as an IC card or a radio tag to be used for a RFID system and making flexure oscillation continue for a long time by supporting of this piezo-electric ceramic element with a cushioning material, and at the same time obtaining power required for communication of about 7 m-10 m, about 10 or more times of conventional battery type in terms of communication distance since magnetic field inductive is not utilized.  <P>SOLUTION: A piezo-electric power generation device which generates power by flexure oscillation of piezo-electric ceramic element, is used as a power source of the item discriminator, such as the IC card and the radio tag which are constituted of various discrimination information in radio communicatively via a loop antenna, The piezo-electric power generation device is constituted so as to make flexure oscillation continue for a long time by supporting this piezo-electric ceramic element with a cushioning material.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004089109-A (JP)
Title: Combine harvester thresh controller
Inventor: SATOJI HISAYUKI
IPC: A01F12/10
Filed: 2002-09-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a combine harvester thresh controller which can improve the transfer of grain straws from a feeding carrier to a thresh feed chain.  <P>SOLUTION: This combine harvester thresh controller which can change the transport speed of the thresh feed chain and the transport speed of the feeding carrier for feeding the grain straws to the feed chain so that the transport speed of the thresh feed chain and the transport speed of the feeding carrier are increased with the increase of the travel speed of the combine harvester is characterized in that the transport speed change rate of the feed chain is smaller than the transport speed change rate of the feeding carrier on the comparison of the transport speed change rate of the feed chain with the transport speed change rate of the feeding carrier with the increase of the travel speed of the combine harvester.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004094789-A (JP)
Title: Multiplexing system
Inventor: KOBAYAKAWA MASAKAZU
IPC: G06F12/16
Filed: 2002-09-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multiplexing system ensuring valiable change-over of a processing by reducing errors in writing into a storage device upon failure.  <P>SOLUTION: The multiplexing system comprises a control part (operation) 1 for performing processing in a normal condition, a control part (preliminary) 2 for standing by for an abnormal condition, a common storage device 3 connected in common to both control parts for storing taken-over information required for change-over of the control part in polygonal storage regions 34-36 with mirroring operation. The storage regions each have a flag and the control part (operation) 1 stores data into the common storage means by sequentially executing the setting the flag before writing into under-writing, writing operation and the setting of the flag after writing into completed writing in each of the storage regions. The control part (preliminary) 2 whose processing is changed over in the abnormal condition takes over the processing by acquiring taken-over information from one storage region where the flag is set into completed writing, out of the storage regions.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004101623-A (JP)
Title: Image forming apparatus
Inventor: TANAKA MASARU
IPC: G03G15/08
Filed: 2002-09-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that improves accuracy in measurement of toner concentration of developer and contributes to miniaturization of the apparatus.  <P>SOLUTION: In the image forming apparatus 1 having a latent image carrier 2 and a developing device 3 which develops a latent image on the latent image carrier 2, the developing device 3 having an agent carrier 6 which holds two-component developer D composed of toner and carrier and a conveyance supply member 9 which conveys and supplies the developer D to the agent carrier 6, a concentration sensor 11 for detecting toner concentration of the developer D is provided in the conveyance supply member 9.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004103299-A (JP)
Title: Electrolyte membrane and fuel cell with the same
Inventor: YOSHIKAWA HIROSHI
IPC: H01M8/10
Filed: 2002-09-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a solid polymer electrolyte membrane excellent in performance for suppressing methanol permeation (a methanol permeation prevention property) and a fuel cell using the same.  <P>SOLUTION: The fuel cell 10 has a configuration in which the electrolyte membrane 13 is sandwiched between a fuel electrode 12 and an air electrode 14. The fuel electrode 12 has a catalyst (a platinum-ruthenium catalyst, etc.) enabled to generate hydrogen from methanol. The electrolyte membrane 13 has a proton conductive polymeric layer 13a mainly composed of a proton conductive polymer (a perfluorocarbon sulfonic acid resin, etc.) and a sheet member 13b mainly composed of an inorganic fiber (a glass fiber, etc.). The methanol permeation prevention property of the electrolyte membrane 13 is improved by suppressing swelling of the polymeric layer 13a even when the methanol is supplied into the fuel electrode 12 because the sheet member 13b is engaged into (buried in) the polymeric layer 13a.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004101670-A (JP)
Title: Recycled process cartridge detection means and image forming apparatus
Inventor: FURUMIYA NOBURO
IPC: G03G21/00
Filed: 2002-09-06
Abstract: <P>PROBLEM TO BE SOLVED: To detect whether a cartridge which is not equipped with a memory tag is a recycled cartridge or not.  <P>SOLUTION: An amount of remaining toner and the value Iac of a charging current flowing to a drum are detected. If Iac is larger than a predetermined current value, the amount of remaining toner is larger than a predetermined amount, and the value and the amount are different from those detected previously, the cartridge is detected as a recycled cartridge refilled with toner. In the case the cartridge is detected as recycled, processing conditions (development bias, processing speed, multiple pre-rotation, prerotating time, etc.) are altered to optimum conditions.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004097448-A (JP)
Title: Cleaning brush for meshes of net body or the like
Inventor: TAKABE ATSUSHI
IPC: A46B13/08
Filed: 2002-09-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a brush as a cleaning tool which can easily scrub the inner wall of punched holes when a cooking utensil of net or a cooking utensil of punched mesh or the like is cleaned.  <P>SOLUTION: Plural wires which project perpendicularly from a brush body are provided in order to clean more thoroughly by scrubbing the inner wall of the net or the punched holes of kitchen utensils or the like, and bristles which serve as a brush at perpendicular direction are provided to the wires of the cleaning brush or an electric brush, and the point of each brush enters each hole of the net or the punched holes, and cleans the inner wall of the holes at the time of cleaning.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004101939-A (JP)
Title: Electro-optical device and driving method for the same and electronic equipment
Inventor: KATASE MAKOTO
IPC: G02F1/167
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electro-optical device for maintaining higher display quality for a long period of time and to provide a driving method for the electro-optical device and electronic equipment.  <P>SOLUTION: An electrophoresis display device 20 performs a reset operation based on write-in instructions from a host computer 50 and performs a write-in operation based on image data whose write-in is instructed and stores the image data whose write-in is instructed into frame memories 41, 42. Then, when a predetermined time has passed since the execution of the last write-in operation and when the image data stored in the frame memories 41, 42 are coincident, the device performs the reset operation and the write-in operation based on the image data stored in the frame memory 41. In the case where the image data stored in the memories 41, 42 are not coincident, the device updates the image data stored in the memories 41, 42 and performs a reset operation and a write-in operation based on the updated image data.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004099542-A (JP)
Title: Bleaching agent containing crystalline molecular complex of hydroquinone with surfactant
Inventor: OHASHI YUJI
IPC: A61K8/30
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydroquinone-containing bleaching agent having high storage stability and sustained release property of hydroquinone.  <P>SOLUTION: The bleaching agent comprises a crystalline molecular complex composed of hydroquinone or its derivative and the surfactant. Storage stability of the hydroquinone-containing bleaching agent to heat, oxygen or light is improved by formation of the molecular complex and bleaching effect of the bleaching agent is maintained by sustained release of the hydroquinone.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004032659-A (JP)
Title: Electric acoustic transducer and electronic device
Inventor: USUKI SAWAKO
IPC: H04R9/00
Filed: 2002-09-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric acoustic transducer, which enhances a driving force generated on a driving coil and makes the driving force symmetrical in a vibration direction to improve the pressure of reproduced sounds and reproduce the sounds with a low distortion, and an electric device using the acoustic transducer.  <P>SOLUTION: The acoustic transducer has an upper case 103 to which a first magnet 101 is attached, and a lower case 104 to which a second magnet 102 is attached, both magnets opposed to each other and set to have magnetic directions opposite to each other. A diaphragm 106 having the driving coil 105 is arranged between both magnets 101, 102. As a result, respective magnetic flux generated from each magnet are bent at almost a right angle to form magnetic fields in which magnetic flux of radial direction elements, intensive in proportion to the driving force, dominant, and which are symmetrical in the vibration direction. Thus, the pressure of reproduced sounds are enhanced and second higher harmonic wave sound distortions generated due to a non-symmetrical driving force are reduced.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004111453-A (JP)
Title: Solar cell
Inventor: HIROKANE JUNJI
IPC: H01L31/042
Filed: 2002-09-13
Abstract: <P>PROBLEM TO BE SOLVED: To improve the power generation efficiency of a solar cell by reducing the sunlight reflected by the cell.  <P>SOLUTION: Since the light condensed through a group 4 of cylindrical light condensing curved surfaces is made incident to a solar cell element from a group 6 of liner slit-like light transmitting holes and reflected in multiple ways between the photoelectric conversion layer 2 and light reflecting layer 5 of the element, the quantity of the light projected upon the conversion layer 2 increases and the power generation efficiency of the solar cell can be improved. In addition, a light condensing element 3 and the group 6 of light transmitting holes are supported relatively movably to each other so that the quantity of the light condensed through the group 4 of light condensing curved surfaces may be adjusted when the light passes through the corresponding light transmitting holes.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004106264-A (JP)
Title: Support for lithographic printing plate and lithographic printing original plate
Inventor: SAWADA HIROKAZU
IPC: C25D11/04
Filed: 2002-09-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a support for a lithographic printing plate used as a lithographic printing original plate which is excellent in printing durability, antifouling properties, and ink entanglement resistance when used as a lithographic printing plate and resistant to the occurrence of defective inking of a solid part when coated recyled paper is used.  <P>SOLUTION: In the support for the lithographic printing plate, a surface area ratio ▵S<SP>50</SP>obtained from a real area obtained from three-dimensional data obtained by 512×512 point-measuring 50 μm SQUARE of a surface by using an atomic force microscope by an approximate three-point method and obtained from a geometric measurement area is 20-35%, and the degree of steepness (a)45<SP>50(0.2-2)</SP>which is the area rate of of a part at least 45° in degree of inclination in data obtained by extracting components 0.2-2 μm in wavelength from three-dimensional data is 10-30%, and surface roughness Ra obtained from the three-dimensional data and the contents of Cu, V, Ga, and Pb of a used aluminum plate meet a specified relational expression.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004107428-A (JP)
Title: Resin composition foam having improved dimensional stability
Inventor: MORIYA SATORU
IPC: C08J9/04
Filed: 2002-09-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermoplastic resin composition foam which has softness and scarcely causes thermal dimensional shrinkage.  <P>SOLUTION: This foam comprises a thermoplastic resin composition comprising (A) a specific inter polymer represented by ethylene-styrene random copolymer and (B) a naphthenic or aromatic process oil having a viscosity of ≥20 mm<SP>2</SP>/s at 40°C in a (A)/(B) weight ratio of 99/1 to 70/30.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004109528-A (JP)
Title: Electrostatically charged member and image forming apparatus using the same
Inventor: TANAKA AKIKO
IPC: G03G15/02
Filed: 2002-09-18
Abstract: <P>PROBLEM TO BE SOLVED: To prevent variance in resistance value, toner fixation, and electrostatic charging defects accompanying them, to prevent abnormal electrostatic discharge due to a photoreceptor defect or resistance unevenness, and to provide an electrostatically charged member which has superior durability in long-period use and is for obtaining superior image quality.  <P>SOLUTION: The electrostatically charged member (electrostatically charged roller 102) is constituted by sequentially forming on a conductive base 201 a resistance adjusting layer 202 formed of a thermoplastic resin composition in which a macromolecular type conductive material is dispersed and a protecting layer 203 covering the surface of the resistance adjusting layer 202, and the protecting layer 203 is formed of a hybrid resin having a fluorine component and a polysiloxane oligomer incorporated in an acrylic skeleton.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004110637-A (JP)
Title: Mutual borrowing and lending system, program, and recording medium between libraries
Inventor: SAITO SEIICHI
IPC: G06Q50/00
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mutual borrowing and lending system between libraries for directly managing borrowing and lending of books between the libraries of the main building and annexes using the same library information management system in one university.  <P>SOLUTION: The library 10 includes: a lending management DB 14 recording the data on lending of a book; a borrowing and lending DB 13 recording data on lending service of the books between the libraries; a mutual borrowing and lending function of processing the borrowing and lending status of the books between the libraries; and a browsing management function of processing the lending/return status of the books. When a user specifies a request library to cause a lending request for a book, the mutual borrowing and lending function of the request library records the lending request data and its lending status to the borrowing and lending DB 13, and transmits the lending request data to a receiving library storing the book to which the lending request is caused.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003179637-A (JP)
Title: Communication equipment and method and program
Inventor: MATSUMURA YOICHI
IPC: H04N21/643
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To remove delay fluctuations generated on a plurality of networks.  <P>SOLUTION: A receiver 22 receives an ATM cell transmitted through the network 4-1 and the network 4-2 and converts it to a transport stream. At that time, the receiver 22 indicates a timing at which a PCR packet reaches the receiver 22 by a count value of a clock (clock Nr) synchronized with the network clock of the network 4-2 of the receiver 22 and calculates a new PCR value W on the basis of the count value and phase difference information as synchronization information. The receiver 22 calculates the new PCR value X on the basis of a PCR value E originally written on an encoding side and the PCR value W and writes it to the PCR packet.  <P>COPYRIGHT: (C)2003,JPO