baber/WOPTO huggingface dataset:
Patent JP-2003273439-A (JP)
Title: Semiconductor laser device and optical fiber amplifier using it
Inventor: TSUKIJI NAOKI
IPC: H01S5/022
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To prevent crosstalk caused by optical four-wave mixing that is a type of nonlinear optical effect, related to an optical fiber amplifier.  <P>SOLUTION: A semiconductor laser device comprises a semiconductor laser element 1 and a depolarizer 2 that non-polarizes a laser beam outputted from the semiconductor laser element 1. The depolarizer 2 comprises a polarized wave holding optical fiber 3, a fusion bond part 4 for connecting the semiconductor laser element 1 to the polarized wave holding optical fiber 3, and an output end 5 for outputting a non-polarized light. The semiconductor laser element 1 and the polarized wave holding optical fiber 3 are so connected by the fusion bond part 4 that the polarized wave direction of the laser beam and the polarized wave axis of the polarized wave holding optical fiber 3 are incline at an angle of 45°. The laser beam is divided into polarized wave beams in two directions. The polarized wave holding optical fiber 3 has anisotropy for a refraction factor. Each polarized wave beam is provided with an optical path difference of specified amount or more in the middle of transmission, to be non-polarized.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003281778-A (JP)
Title: Optical disk
Inventor: SAWADA YASUO
IPC: G11B7/2405
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To reduce interference between adjacent tracks of wobble information to be formed over all the circumference of a disk to thereby realize narrowing of track pitch and a large capacity optical disk in a complete CLV (constant linear velocity) format.  <P>SOLUTION: (1) In the CLV disk format having wobble grooves with a fixed cycle, the optical disk is characterized in that the wobble grooves are constituted of modulated areas having wobble information data and non-modulated area including no wobble information data and the non-modulated areas have phase shift parts of the wobble grooves. (2) The optical disk described in (1) is characterized in that phase shift of +2π×2πP/λ/N is performed in the phase shift parts by defining the track pitch as P, defining wobble wavelength as λ and defining N as the number of the phase shift parts in one rotation of the disk.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003275925-A (JP)
Title: Wire electric discharge machine and its control method
Inventor: KOBAYASHI HARUO
IPC: B23H7/02
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wire electric discharge machine with a wire electrode to be kept perpendicular to a table surface onto which a workpiece for the wire electric discharge machine is placed and fixed, and its control method.  <P>SOLUTION: A pitching error range at a table measurement position measured by table position measuring means is extracted from pitching error range storage means for storing a plurality of pitching error ranges meaning the inclinations of the table 22 of the wire electric discharge machine 20 to a horizontal, the displacement of an upper wire guide 26 for keeping the wire electrode 28 perpendicular to the table surface is calculated in accordance with the pitching error range, and the upper wire guide 26 and the table 22 are displaced in accordance with the calculated displacement.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003282073-A (JP)
Title: Manufacturing method of fuel cell and fuel cell using the same
Inventor: YASUMOTO EIICHI
IPC: H01M8/10
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a solid high polymer type fuel cell in which polymerelectrolyte is stabilized at the same time that a sufficient proton-path is formed in a catalyst layer and a catalyst ink can be prepared easily, and to provide the fuel cell using this manufacturing method.  <P>SOLUTION: The catalyst layer includes a first process, in which mixing- heating treatment of conductive carbon particles loaded with catalyst particles, and a polymerelectrolyte solution, is carried out, a second process, in which by adding at least one solvent to the catalyst-loaded carbon powder, which is attached with polymerelectrolyte by the above first process, a part of the above polymerelectrolyte is made to dissolve to produce the catalyst ink, and a third process, in which the above catalyst ink is applied to form the catalyst layer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280487-A (JP)
Title: Image forming apparatus
Inventor: ARAI HIROYUKI
IPC: G03G15/01
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which securely recovers recovered toner without exerting effects on the processing time of image forming parts or an intermediate transfer part, the life, etc.  <P>SOLUTION: The image forming apparatus forms an image in such a manner that images formed by the image forming parts are superimposed one on another on the intermediate transfer part and then the superimposed images are transferred and fixed to a recording material. The image forming apparatus is provided with a toner recovering means which is driven independently of drive systems for the image forming parts and intermediate transfer part and transports and recovers recovered toner on the image forming parts and intermediate transfer part, and a control means which controls a toner recovering drive source for the toner recovery means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003281903-A (JP)
Title: Luminaire
Inventor: KONO KENICHI
IPC: F21S4/00
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To easily and surely couple luminaire bodies to each other.  <P>SOLUTION: A luminaire comprises a plurality of luminaire bodies 1 having an open under surface and a cross section of a generally U shape. End faces of adjacent luminaire bodies 1 are butted to each other and coupled. Coupling parts 6 generally overlap each other in the state where the end faces of the luminaire bodies 1 are butted to each other, and are formed so as to be inclined generally in parallel to each coupling part of the luminaire bodies 1. An upper coupling part 6a is provided with a screw hole 7, and an lower coupling part 6b is provided with a screw passing hole 8. As a result, a tightening screw is passed through the screw passing hole 8 with the tip upward and threadedly engaged with the screw hole 7 to be coupled to each other. In this case, the coupling parts 6 can be looked at from an under surface side of the luminaire. In addition, when a tightening screw is tightened by using tools such as a driver or the like, the inclined tool, can be manipulated from below, and thus the coupling between the luminaire bodies 1 can be easily and surely done.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003285891-A (JP)
Title: Disk storage case
Inventor: NAKADA EIJI
IPC: B65D85/57
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a lid from removing from a case body or getting damaged even when an excessive shock is applied.  <P>SOLUTION: In a disk storage case, a disk D is stored in a storing section 3 formed on an upper surface of a case body 1, and the storing section 3 is covered with a lid 2. The lid 2 is movably engaged with guide grooves 13 formed on both side plates 9 of the case body 1, and is formed to be bendable along moving directions (a) and (b). The storing section 3 is opened by moving the lid 2 along the guide grooves 13 from an upper surface side to a lower surface side of the case body 1.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280393-A (JP)
Title: Developing device, method for manufacturing the developing device, and image forming device equipped with the developing device
Inventor: SHIBAZAKI KEIZO
IPC: G03G15/08
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a developing device, in small-sized structure wherein a developer layer prescribing member that presses a developer carrier is in a simple shape and its free end side is stable, which is easy to manufacture and low-cost and prevents a developer from deteriorating owing to friction and varying in layer thickness to form an image of high quality, a method for manufacturing the developing device, and an image forming device equipped with the developing device.  <P>SOLUTION: The device comprises: a developing container (1) which has an opening on the side of a development area (D) and supplies a developer (T); a developer carrier 2 which is arranged in the opening part 1a of the developing container 1 and supplies the carried developer (T) to the development area (D) to form a toner image; a plate type developer layer prescribing member 3 which prescribes the layer thickness of the developer (T) on the developer carrier 2; and a plate type developer layer prescription assisting member 4 which is formed on the developer layer prescribing member 3 on the side of a doctor gap (G) formed with the developer carrier 2 and prescribes the layer thickness of the developer (T) on the developer carrier 2.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003276088-A (JP)
Title: Method and apparatus for electrical fusion welding
Inventor: INOUE YASUYUKI
IPC: B29C65/34
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for controlling an electrical fusion welded joint which discriminates more delicately prevention of re-energization by executing such control that a joint having fusion weld performance and fusion weld quality allowing application of re-energization is subjected to re-energization and a joint having the fusion weld performance and the fusion weld quality adversely affected is inhibited from being subjected to re-energization to discriminate more delicately prevention of re-energization.  <P>SOLUTION: For a method for electrical fusion welding for feeding a current to the electrically fusion welded joint to which a bar code for recording an energizing parameter for energizing to the heating wire by burying the heating wire in a fusion weld part of the electrically fusion welded joint to be fusion welded to a resin pipe and an identifying code identifying the electrically fusion welded joint, is attached, the identifying code of the electrically fusion welded joint used in the past and energizing time fed to the joint are stored in a storing means. A joint identifying code of the bar code read by a read means in fusion welding operation and the joint identifying code used in the past which is stored in the storing means are compared by a duplication detecting means to verify the duplication. For the duplicated joint, the energizing time used in the past which is stored in the storing means is discriminated by a discriminating means and quality of re-energization is displayed outside to provide the control method and the electrically fusion welding apparatus.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003284994-A (JP)
Title: Coating method and coating apparatus
Inventor: TAKAHASHI IPPEI
IPC: B05C5/02
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the production cost of a product by simplifying a process for detecting a projection on a web to remove the same.  <P>SOLUTION: A projection flaw detector 20 for detecting the projection flaw on the web is arranged between a feed-out part 3 and a coating head 5. A coating apparatus is provided with a shift register 21 as a signal delay and output means for delaying the signal from the projection flaw detector 20 by the time just before the detected projection flaw passes the coating head 5 to output the same and a coating head separation device 22 for temporarily separating the coating head 5 from a predetermined coating position to a position not coming into contact with the projection flaw on the basis of the signal from the shift register.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003286888-A (JP)
Title: Controller of vehicle for detecting abnormality of temperature sensor
Inventor: ISOBE TAKASHI
IPC: F02D41/22
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To detect the abnormality of a temperature sensor without being affected by a disturbance.  <P>SOLUTION: A controller of a vehicle having a plurality of temperature detecting means for detecting temperatures of part-equipped regions calculates a deviation between two temperatures of a plurality of temperatures detected by the plurality of temperature detecting means to detect abnormalities in the plurality of temperature detecting means. In another embodiment, the average value of the plurality of temperatures detected by the plurality of temperature detecting means is calculated. The deviation between each of the temperature detected by the plurality of temperature detecting means and the average value is calculated. Based on the calculated deviation, the abnormalities of the plurality of temperature detecting means are detected. The calculation of the deviation is preferably performed when an internal combustion engine stops and then restarts and a prescribed time is decided to have elapsed from the stop.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003286796-A (JP)
Title: Pipe-jacking device
Inventor: KIMURA NOBUHIKO
IPC: E21D9/06
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pipe-jacking device for laying an excavator, a jacking pipe, or the like in the ground in sequence from the inside of a starting shaft, in a jacking method for connecting and laying each of a water pipe, a sewer, a conduit tube, or the like in sequence in the ground.  <P>SOLUTION: The pipe-jacking device comprises a staging having a pair of guide rails for holding the jacking pipe, a bearing wall provided in the rear of the staging to be in contact with an earth retaining wall of the starting shaft, plural penetrations provided symmetrically in the bearing wall, a housing cylinder provided in each of the penetrations extended into the rear ground, a cylinder inserted into each of the penetrations of the bearing wall and the housing cylinder, and a base pushing jack fixed to a front surface of the bearing wall by a bearing member provided on an front end part of the cylinder.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003298762-A (JP)
Title: Mobile communication terminal
Inventor: KITACHI MITSUHIRO
IPC: H04W88/06
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mobile communication terminal in which a user need not select a mode minutely as to whether or not a sound communication is conducted or whether or not a data communication is conducted and can change a communication mode without consciousness.  <P>SOLUTION: A CPU 111 monitors a connection to equipment by a USB 119, is operated as the mode for the sound communication under a normal state in which there is no connection by the USB 119 and is not operated in the mode for the data communication.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003296556-A (JP)
Title: Window operation support system
Inventor: ONISHI SHINICHI
IPC: G06Q10/06
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To support window operation by an operator by appropriately supplying various information related to each customer and collected through various channels for accumulation and information related to service and goods corresponding to the customer information.  <P>SOLUTION: This window operation support system is provided with a business store system 10 provided with window operation terminals to be operated by operators, a data base for housing information collected through a plurality of channels, and a server for forming the window operation support information on the basis of the information housed in the data base. This support system has a support center system 30 connected to the business store system 10 through a network 35.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003285609-A (JP)
Title: Pneumatic tire
Inventor: KONO YOSHIHIDE
IPC: B60C9/20
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To more efficiently prevent a tire from causing cracks of the bottom of a grove than a conventional method that curvature radius of the bottom of the grove is enlarged in a cross section in the tread width direction or the like in a pneumatic tire.  <P>SOLUTION: A peripheral groove 11 is arranged to continuously extend along the peripheral direction of the tread 10, and a land portion 12 adjacent to the peripheral groove 11 is partitioned. The tread 10 is provided with a belt 8 on the inner peripheral side thereof, and a reinforcing material 13 comprising a fiber member is arranged in the tread and a position of the reinforcing material 13 to correspond to the land portion 12 in the cross section in the tread width direction is located outwardly from the position to correspond to the peripheral groove 11. A position of the reinforcing member 13 to correspond to the bottom of a peripheral groove 14 is folded by curvature radius larger than two times or more of the minimum curvature radius at the bottom of the peripheral groove 14.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003293432-A (JP)
Title: Toilet apparatus
Inventor: KAWAMOTO SATOSHI
IPC: E03D9/08
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a toilet apparatus, enabling simplification of a drain constitution in a toilet body and quick draining.  <P>SOLUTION: This toilet apparatus includes a water supply part 5 provided on the outside of the toilet body 1, a hot water device 9 connected to the water supply part to heat the washing water, a nozzle device 3 communicated with the hot water device to jet washing water to the a personal part of the body, a water stop valve 6 provided between the water supply part and the hot water device, and an air pump 13 for mixing the air in the washing water. The air pump is driven when the water stop valve is opened to drain water remaining in the water supply passage extending from the water supply part to the nozzle device. Thus, the air pump is used to simplify the drain constitution by pushing out remaining water in the water supply passage and perform draining in a short time.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003294914-A (JP)
Title: Cemented lens and optical head device using the same
Inventor: SASANO TOMOHIKO
IPC: G02B17/08
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cemented lens which can make mass productivity higher and a cost lower and can prevent the wavelength shift of a semiconductor laser and the aberration by a spectral width and an optical head device.  <P>SOLUTION: The cemented lens 11 is formed by joining a lens 3 of a plane on one side and a lens 4 to both sides of a second lens 2 which is a spherical lens. The lens satisfies the relation R1=T/2 when the radius of curvature of the convex face of the second lens 2 is defined as R1 and the thickness of the lens as T. The lens satisfying the relation R1=T/2 is the spherical shape or a lens including a spherical lens shape and therefore the production thereof is easy and in addition the surface accuracy and the excellent mass productivity are obtained. The combined lens which can prevent the wavelength shift of the semiconductor laser and the aberration by the spectral width can be easily manufactured and the lower cost is attained as well.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003297807-A (JP)
Title: Etching method
Inventor: TAKAMATSU YUKICHI
IPC: H01L21/3065
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an etching method applicable in a process of etching a silicon oxide layer or a silicon nitride layer on a silicon substrate, using etching gas which does not contain global warming gases and achieving a high selection ratio, a high aspect ratio, and a practical etching rate.  <P>SOLUTION: The etching gas contains a fluoroalcohol for selective etching a silicon oxide layer or a silicon nitride layer on a silicon substrate.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005289812-A (JP)
Title: Chromene compound
Inventor: NAGO HIRONOBU
IPC: C09K9/02
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photochromic compound which has a high color density, a high fading rate, and develops a yellow collor.  <P>SOLUTION: The compound has a basic structure in which a cyclohexadiene ring is fused to the positions 7 and 8 of a chromene ring and is reprerented, for example, by the formula (wherein R<SP>1</SP>and R<SP>2</SP>are each an unsubstituted aryl group or an aryl group substituted either with an alkoxy- or alkyl-substituted amino group or with a heterocyclic group having a nitrogen atom as a heteroatom and bonded to the aryl group through the nitrogen atom; R<SP>3</SP>to R<SP>6</SP>are each independenly a hydrogen atom or a halogen atom, provided that R<SP>3</SP>and R<SP>5</SP>may be combined with each other to form an aliphatic hydrocarbon ring; R is an alkoxy group or a heterocyclic ring having a nitrogen atom as a heteroatom and bonded to the aryl group through the nitrogen atom; and m and n are each independently an integer of 1 to 3).  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2003248201-A (JP)
Title: Spectacles for far and near
Inventor: INESHIMA NORIO
IPC: G02C7/08
Filed: 2002-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide spectacles which eliminate the need for wearing spectacles for myopia and spectacles for presbyopia each time.  <P>SOLUTION: Lenses (2) of the dipoter for presbyopia are attached to a lens frame (1) of a main body and lenses (4) for correction of the diopter subtracting the diopter of the lenses (2) for the presbyopia from the diopter for myopia are attached to a movable lens frame (3) on an upper side which is rotationally movable or attachable and detachable.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003298601-A (JP)
Title: Packet sorting apparatus, overflow processing method, program and recording medium
Inventor: NISHIDA KOJI
IPC: H04L12/861
Filed: 2002-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To enable normal sorting processing and transmitting packets in a normal sequence even if overflow processing is performed to packets stored over a buffering capacity.  <P>SOLUTION: A packet sorting apparatus receives packets in which sequence numbers are added to a header information part to store temporarily into a sorting buffer 112 and extracts packets from the buffer 112 in order of the sequence numbers. A packet retention number counting part 102 counts the number of packets stored into the buffer 112, when the counted number exceed a predetermined number, a sorting control part 107 discards a packet to be extracted at first among the packets stored into the buffer 112.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003300759-A (JP)
Title: Synthetic resin reinforcing material for cement reinforcement and reinforced cement formed article
Inventor: KAWABATA HIDEAKI
IPC: C04B28/02
Filed: 2002-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide an easily producible, uniformly dispersed, synthetic resin reinforcing material for cement reinforcement, which has a satisfactory hooking effect with concrete, and exhibits an excellent reinforcing effect, and to provide a reinforced cement formed article obtained by using the same.  <P>SOLUTION: A thermoplastic synthetic resin is made into a filamentary body 6 in which many notches 5 are arranged in a longitudinal direction so as to locally reduce the width of the filamentary body. The obtained filamentary body 6 is stretched in a uniaxial direction to form into a stretched filamentary body 2 with many projections formed at intervals in a longitudinal direction. The stretched filamentary body 2 is cut out so as to be a prescribed length, so that the synthetic resin reinforcing material for cement reinforcement is produced.  <P>COPYRIGHT: (C)2004,JPO