baber/WOPTO huggingface dataset:
Patent JP-2003161129-A (JP)
Title: Valve timing control device for engine
Inventor: SUETSUGU HAJIME
IPC: F01L1/34
Filed: 2001-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control device for valve timing which improves fuel consumption without causing a knocking.  <P>SOLUTION: The engine is provided with a valve timing variable mechanism which changes phases in valve opening periods of both valves by independently changing phase angles to crank shafts of an intake camshaft and an exhaust camshaft respectively driving an intake valve and an exhaust valve to be opened/closed, wherein the control unit controls the valve timing variable mechanism so as to obtain the target overlap quantity, while setting the target overlap quantity during valve opening periods of the intake valve and exhaust valve in accordance with the operating condition of the engine such as load. When increasing the target overlap quantity, a change in the phase angle of the exhaust camshaft is assigned higher priority rather than a change in the phase angle of the intake camshaft.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003164017-A (JP)
Title: Enclosed switchboard
Inventor: TAIKAI TOSHIBUMI
IPC: H02B1/36
Filed: 2001-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an enclosed switchboard of a simple configuration with less weight, in which manufacturing cost of a vertical bus is low.  <P>SOLUTION: Related to an enclosed switchboard 1, a vertical bus is so arranged as to creep along a plurality of stacked branching switch units 2, and power source connection terminals 23 of the plurality of branching switch units 2 are connected to the vertical bus. Related to the configuration of the vertical bus, the cross-section areas of the vertical buses 32 and 33 are reduced stepwise according to the power source connection terminals 23 of the plurality of branching switch units 2, relative to the cross-section ares of the vertical buses 32 and 33 at such part as connected to a feeder bus 31.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003160753-A (JP)
Title: Coating resin composition
Inventor: KODAMA NAOKI
IPC: C09D175/04
Filed: 2001-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coating resin composition excellent in coating properties such as hardness, solvent resistance and weatherability without affecting the environment and human bodies which may avoid lifting on repair or the like.  <P>SOLUTION: In the composition containing an acrylic polyol, alicyclic and/or aliphatic hydrocarbon-based solvent, the polyol is obtained by copolymerizing a monomer component containing a cycloalkyl structure-containing unsaturated monomer (a) of 5 pts.wt. or more and a hydroxyl group-containing unsaturated monomer (b) of 2-40 pts.wt. in a total monomer of 100 pts.wt., it has a hydroxyl group value expressed in terms of the solid content (x) of 0 mg KOH/g<x<200 mg KOH/g and a number average molecular weight (Mn) of (-0.05x+5)×1,000≤Mn≤(-0.25x+50)×1,000 and dissolves in the alicyclic and/or aliphatic hydrocarbon-based solvent.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003163330-A (JP)
Title: Magnetic memory
Inventor: SAITO YOSHIAKI
IPC: H01L21/8246
Filed: 2001-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive, solid magnetic memory having an ultra large capacity that can eliminate erroneous operation due to an interlayer cross-talk and at the same time can be integrated highly.  <P>SOLUTION: The magnetic memory comprises a first magnetoresistive effect element (C2), first wiring (W1) extended onto it, a second magnetoresistive effect element (C1) that is provided on it, and second wiring (B1) extended in a direction for crossing the first wiring on it. The first and second magnetoresistive effect elements have a magnetic recording layer having nearly the same magnetization anisotropy. Then, at least one portion of the magnetized direction of the magnetic recording layers is inclined in a direction that is not parallel and not vertical to at least either of the first and second wires.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003160008-A (JP)
Title: Arc generation preventing device for wire harness provided with high voltage circuit
Inventor: MORIOKA HIDEKI
IPC: H01R13/53
Filed: 2001-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the generation of arc between terminals when a connector to which a high voltage is supplied is uncoupled.  <P>SOLUTION: A coming-off detecting function is provided on a connector 12 having terminals 15 connected to a high voltage circuit electric wire terminal of a wire harness wired in an automobile. When the connector 12 with the coming-off detecting function is about to come off and becomes a half-fitting state, a detecting means 17 detects the coming-off, and a power supply intercepting means 19 receiving a detected signal from the detecting means 17 stops power supply to the terminals 15 connected to the high voltage circuit electric wire, thereby preventing the generation of arc when the connector 12 is uncoupled and the terminals 15 connected to the high voltage circuit electric wire are separated from each other.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003163310-A (JP)
Title: High frequency semiconductor device
Inventor: SUZUKI YOJI
IPC: H01L21/822
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high frequency semiconductor device which reduces unevenness in the intrinsic impedance of a high frequency transmission path constituted of a grounded electrode and an interconnection provided on a high frequency semiconductor chip.  <P>SOLUTION: A covered electrode 8 to be connected to a ground potential is provided on an active region on the surface side of the high frequency semiconductor chip 2. The high frequency transmission path is constituted between an interconnection 3 provided on the reverse of the chip 2 and the covered electrode 8, with the latter serving as a high frequency ground surface.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003165643-A (JP)
Title: Paper feeder
Inventor: FUCHI MASAMI
IPC: B65H3/06
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper feeder capable of suppressing vibration and noise in feeding paper sheets.  <P>SOLUTION: An integral paper feed unit 32 is constituted by connecting respective both end surfaces of an upper retaining member 29 retaining a pickup roller and a paper feed roller, and a lower retaining member 30 retaining a separating roller by connecting members 31. A leaf spring 35 is attached to an approximately longitudinal center of the upper retaining member 29. The respective connecting members 31 are fixed to a copying machine body and the approximately longitudinal center of the upper retaining member 29 is engaged with the copying machine body by the leaf spring 35 by a prescribed pushing pressure.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003171144-A (JP)
Title: Glass mat
Inventor: NISHIBORI SHINJI
IPC: E04G23/02
Filed: 2001-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a glass mat having excellent alkali resistance and showing an excellent crack preventing effect on mortar and concrete for a long time.  <P>SOLUTION: This glass mat comprises glass strands made of glass continuous fibers or glass short fibers containing ≥14 mass% of ZrO<SB>2</SB>adhered with a water-soluble polymer in a two-dimensionally random structure.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003174013-A (JP)
Title: Method of manufacturing semiconductor device and dry etching system
Inventor: MATSUMOTO JUNICHI
IPC: H01L21/3065
Filed: 2001-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a semiconductor device by which dimensional conversion difference of an etching pattern can be controlled over a wide range by taking a measure other than the resizing of a photomask, and to provide a dry etching system.  <P>SOLUTION: With respect to an etching process in which a polycrystalline silicon layer 12 formed on a semiconductor silicon wafer 10 is patterned in accordance with a resist pattern 13, plasma of a mixed gas containing SF<SB>6</SB>for isotropic etching and HBr for anisotropic etching is utilized for an etching gas species. The dimensional conversion difference of the etching pattern corresponding to the resist pattern 13 is adjusted within a prescribed range by generating the plasma by adjusting the ratio of the mixed gas and by varying the vertical etching rate of the polycrystalline silicon layer 12 to be reflected in the control of the duration of isotropic etching using the fluorine radical by changing the etching rate by controlling the bias power which accelerates bromine ions to the wafer 10 side.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003175128-A (JP)
Title: Golf ball
Inventor: IWAMI SATOSHI
IPC: A63B37/12
Filed: 2001-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a golf ball which is excellent in wear resistance and scratch resistance without sacrificing characteristics such as resilience performance, spinning performance, cutting resistance and hitting touch.  <P>SOLUTION: In the golf ball comprising a core and a cover covering the core, the cover is built up of a composition produced by mixing an olefin-based resin with a three component composite comprising a rubber component, a polyolefin component and a nylon component. The olefin based resin is an olefin based thermoplastic resin, an ionomer resin or an olefin-based thermoplastic elastomer or a modified substance thereof and the three component composite is mixed at a rate of 1 to 50 pts.mass per 100 pts.mass of the olefin based resin.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003175524-A (JP)
Title: Resin molding machine
Inventor: HASHIMOTO SHIGERU
IPC: B29C43/32
Filed: 2001-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a resin molding machine which can deal with a change in die varieties readily and at low cost.  <P>SOLUTION: A lower platen 12 (the second platen) is made into a block construction comprising a die supporter 16 to support a lower die 106 (the second die) and a base 18 to support said die supporter 16. Also, a movable member 20 to support an injection member 112 is arranged between said die supporter 16 and base 18. Further, the movable member 20 and die supporter 16 are made easily detachable from the base 18 so as to compose a resin molding machine 10.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003177106-A (JP)
Title: Method, program, system for precision structure analysis of substance structure and method for manufacturing substance
Inventor: TANAKA HIROSHI
IPC: G01N23/20
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To analyze the structure of a protein with an X-ray or a neutron beam, and clarify the function of the protein.  <P>SOLUTION: As a precision structure analysis method, a maximum entropy method is employed, which provides information on the structure as important information for research of functions of functional materials and biopolymer materials at electron density level based on X-ray diffraction data or neutron beam diffraction data. The information includes atom placement and electron conditions in a crystal structure of a polymer material having a molecular weight of about 2,000 to 3,000 or greater, that is, a large molecule such as organic substances, proteins, complex proteins.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003181964-A (JP)
Title: Paper-made sheet-like base material and method of making the same
Inventor: AIZAWA HIDEO
IPC: B29K1/00
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper-made sheet-like base material which does not need to consider any influence on environment at the time of disposal at all and is strong and highly transparent.  <P>SOLUTION: Two or more sheets of tissue paper and wafers are alternately stacked to prepare a laminate 13, and the laminate 13 is treated under high temperature and high pressure conditions. Upon this treatment, the stacked tissue papers are mutually integrated with each other through the wafer in the wholly or partially melted state so that the tissue papers are not separable from each other, whereby a strong and highly transparent paper-made sheet-like base material is provided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185051-A (JP)
Title: Electromagnetic valve device and manufacturing method thereof
Inventor: MURAO YOSHIYUKI
IPC: H01F7/16
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electromagnetic valve capable of reducing the abrasion of a needle and a non-magnetic member sliding with the needle, having high responsibility, and preventing foreign matters from infiltrating into a sliding part.  <P>SOLUTION: The needle 21 is directly supported by a non-magnetic cup 50 to be able to move reciprocatively. The needle 21 has a hard layer comprising nickel that contains particles of PTFE (polytetrafluoroethylene) in the sliding part on the cup 50. The hard layer has high hardness approximating to the hardness of the cup 50 made of stainless steel. Accordingly, abrasion of both of the needle 21 and the cup 50 can be reduced. Since PTFE particles are contained in the sliding layer, the sliding part between the needle 21 and the cup 50 is lubricated by PTFE, sliding resistance of the sliding part being reduced and responsiveness improved. The needle 21 is longer than the total length of the bottomed cylinder part of the cup 50 and the part which does not slide with the cup 50 is formed in the needle 21, so that infiltration of contaminations into the inner circumferential side of the bottomed cylinder part and the sliding part can be prevented.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185458-A (JP)
Title: Navigation apparatus and program
Inventor: ITO TAKENORI
IPC: G08G1/0969
Filed: 2001-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a navigation apparatus or the like which causes a user to register information relating to facility data obtained from a recording medium, etc., and performs processing using the registered information.  <P>SOLUTION: Concerning facilities corresponding to a position selected by the user, a screen of a switch for selecting a degree of importance out of 'important', 'unnecessary', and 'erase' is displayed on a display, as shown in (a). When a touch of the user to a touch panel at a part corresponding to 'important' of this screen is detected, a facility inherent code number being information for specifying facility data of these facilities is stored in a user registering memory, causing it to correspond to the degree of importance 'important'. The facility data of an object of display is read from the facility data storage portion of a map data input device, and a degree of importance corresponding to a facility inherent code number stored in a user registering memory out of facility inherent code numbers contained in the read facility data, is obtained. When 'important' exists as the degree of importance, a mark for the facilities is displayed with a thick frame.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003172694-A (JP)
Title: Sensor utilizing attenuated total reflection
Inventor: MORI NOBUFUMI
IPC: G01N21/13
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To enable a sensor utilizing attenuated total reflection to accurately perform sample analysis by measuring the change of a differential value with high sensitivity without causing an electric circuit to be saturated.  <P>SOLUTION: The sensor utilizing attenuated total reflection is provided with a dielectric block 10, a metallic film 12 formed on one surface of the block 10, and an optical system 10 which makes a light beam 13 to incident to the block 10 at various angles so that a totally reflecting condition may be obtained in the interface 10b between the block 10 and metallic film 12. The sensor is also provided with an array-like photodetecting means 17 which detects the reflected light totally reflected by the interface 10b and a differential amplifier array 18 which differentiates photodetected signals outputted from the light receiving elements of the photodetecting means 17 with respect to the parallelly arranged direction of the light receiving elements. The sensor which utilizes attenuated total reflection and measures the change of the derivation whenever a prescribed period of time has elapsed performs measurement by finding the variation ΔI' of the derivation by subtracting the initial value of the derivation from the derivation and amplifying the variation ΔI'. Since the sensor does not amplify the derivation, but the variation ΔI', its poststage electric circuit is not saturated and high-sensitivity measurement can be performed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003188967-A (JP)
Title: Headset
Inventor: ITO TOMOHIRO
IPC: H04R1/08
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To improve usability of a headset mounting a microphone in both cases whether using the microphone or not.  <P>SOLUTION: The headset provides a housing 10 which is attached the ear of the user, an arm 41 in which an end is contained in the housing and the other end is pulled out from a housing hole 13a to the outside and whose length pulled out to outside from the housing hole 13a is adjustable and can be contained in the housing, and a microphone which is installed on the arm 41. In the case to use the microphone, the arm 41 is pulled out from the housing 10 and it is possible to place the microphone near the mouth of the user. When it is not necessary to use the microphone, the arm 41 is contained in the housing 10 and the arm 41 does not project from the housing 10.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185023-A (JP)
Title: Metal gasket material plate
Inventor: AKIYOSHI KOJI
IPC: B32B15/06
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a material plate making it difficult for a rubber layer to be peeled off from a metal plate by increasing the adhesiveness of the rubber layer to the metal plate through an adhesive layer and treated by dechromizing in consideration of an environment and human body.  <P>SOLUTION: In a laminated gasket material plate 1 formed by providing the rubber layer 5 on the metal plate 2 through the adhesive layer 4, a silane chemical conversion coating 3 formed of silane coupling agent containing epoxy group, mercapto group, or amino group as a functional group is provided between the surface of the metal plate 2 and the adhesive layer 4. The adhesive layer 4 is formed of phenol resin adhesive agent, and the rubber layer 5 is formed of NBR rubber adulterant.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185712-A (JP)
Title: Dynamic burn-in device
Inventor: MAESAKI YOSHIHIRO
IPC: G01R31/28
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To accurately control a temperature inside a chip of a semiconductor device to conduct the optimum burn-in acceleration test, and to analyze a defective IC.  <P>SOLUTION: An infrared sensor 1b is provided in a burn-in vessel 1. A surface temperature of the semiconductor device is measured by the sensor 1b. A control part 12 finds the internal temperature of the semiconductor device based on a thermal resistance value of a semiconductor device package, and controls a temperature inside the burn-in vessel 1 by a temperature controller 10 to bring the internal temperature to a prescribed temperature. An acceleration coefficient is found based on the internal temperature, and a burn-in time is determined based on the acceleration coefficient and a preliminarily given acceleration period to conduct the burn-in acceleration test. By conducting burn-in, a defect address of the semiconductor device in which a defect is generated is accessed continuously, when the defective semiconductor is generated, and a defective portion of the defective semiconductor device is specified based on a surface temperature distribution of the semiconductor device measured by the infrared sensor 1b.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002220969-A (JP)
Title: Device for opening/closing window
Inventor: LEE JANG-WOO
IPC: E05F11/40
Filed: 2001-12-20
Abstract: PROBLEM TO BE SOLVED: To provide a device for opening/closing a window, which can adjust an opening angle of the window. SOLUTION: This device for opening/closing the window is composed of a base where the first and second guide grooves are formed, a moving member which moves along the first and second guide grooves, an arm which is provided turnably in the base, a handle which is provided turnably on one side of the base and whose one end is formed with a worm gear, a worm wheel which meshes with the worm gear, and a switch for controlling a position of the moving member. An inclined plane inclined inside is formed at one end of the first moving part of the moving member, the arm is formed with a linear face for abutting on the inclined plane so as to limit an angle of turning of the arm, and an action of the inclined plane and the linear face brings about adjustment of the opening angle of the window.
Patent JP-2002327176-A (JP)
Title: Guest-host liquid crystal composition and liquid crystal display device
Inventor: IWANAGA HIRONORI
IPC: C09B1/32
Filed: 2001-12-20
Abstract: PROBLEM TO BE SOLVED: To provide a guest-host liquid crystal composition capable of retaining high coloring matter density even at a low temperature and having a high dichroic ratio. SOLUTION: This guest-host liquid crystal composition comprises a liquid crystal material as a host and a dichroic coloring matter formulated to the liquid crystal material as a guest. The composition is characterized in that the liquid crystal material contains a condensed ring in the molecular structure thereof and the dichroic coloring matter is a compound having a condensed ring in the basic skeleton thereof as a bonded substituent.
Patent JP-2003186194-A (JP)
Title: Resist material and exposure method
Inventor: MATSUZAWA NOBUYUKI
IPC: G03F7/20
Filed: 2001-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To enable an ultra-microfabrication exceeding the conventional techniques and using a resist material having low absorption in the wavelength region of extreme-ultraviolet radiation (EUV) while ensuring etching resistance by using a specified polymeric material.  <P>SOLUTION: In an exposure method in which a resist layer is selectively exposed with X-rays and patterned in a prescribed shape, the resist layer comprises a polymeric material having an oxygen atom content (by number) ratio nO of <0.05 and a density ρ satisfying at least one of equations (1) and (2).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003189120-A (JP)
Title: Broadcast receiver
Inventor: MIYAMOTO YASUHISA
IPC: H04N5/445
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a broadcast receiver that can decrease the number of key operation times for character entry so as to reduce a time required for entering a message.  <P>SOLUTION: Each of a plurality of characters is respectively assigned to ten-keys of a remote control transmitter 10 and key operation permits character entry. A ROM providing software to a CPU 13 stores a program for character selection in the character entry and a database. The database stores probability information of appearance of a character at a prescribed position in a character string. In comparison with a conventional configuration where a key is to be depressed by the number of times equal to an assigned sequence to obtain a desired character, the number of key operation times for character entry can be decreased more.  <P>COPYRIGHT: (C)2003,JPO