baber/WOPTO huggingface dataset:
Patent JP-2003329033-A (JP)
Title: Spindle unit for magnetic disc device
Inventor: NAKANO MASAAKI
IPC: F16C33/10
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To miniaturize a spindle unit for a magnetic disc device and improve the rotational accuracy.  <P>SOLUTION: The spindle unit rotatably supports a shaft 5 inserted in a hub 1 with a sliding bearing 2 installed in a housing 13. The sliding bearing 2 is integrally comprised of a radial bearing part 21 at the inner perimeter, and a thrust bearing part 2b at both the end parts. The end is arranged at an end of a boss 4 formed in a hub 1, and the other end opposite to a flange 6 of the end of the shaft 5 with a clearance. The clearance is set by inserting the shaft 5 into the sliding bearing 2, bringing a jig 24 having a recess part including the shaft flange 6 and added by the thickness of the shaft flange 6 plus a predetermined clearance in contact with the other end of the sliding bearing 2, pressing the hole of the boss 4 on the shaft 5 until the end of the boss 4 contacts the end of the sliding bearing 2, and then removing the jig 24.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004269648-A (JP)
Title: Photosensitive resin composition and method for forming negative pattern
Inventor: NOGUCHI YUICHI
IPC: G03F7/038
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photosensitive polyimide resin which does not cause the oxidation of copper, is capable of being cured at low temperatures, and is excellent in patterning.  <P>SOLUTION: The photosensitive resin composition comprises (A) a polyimide compound represented by the formula (wherein R<SP>1</SP>is a tetravalent organic group comprising an aromatic group; R<SP>2</SP>is a divalent organic group comprising an aliphatic group or an aromatic group, provided that 10 to 100 mol% of the entire R<SP>2</SP>groups are divalent organic groups having a spiroacetal structure; and n is an integer of 1 to 200). (B) a photosensitizer that generates an acid upon irradiation with an actinic radiation, (C) a polymerization inhibitor, and (D) a solvent. A method for forming a negative pattern by using the resin composition is also provided.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003327530-A (JP)
Title: Eye drops containing tetrazole derivative
Inventor: UNEDA KENJI
IPC: A61K31/41
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide eye drops containing a compound having a chemical structure expressed by general formula (I) and search an additive for reinforcing the disinfection effect of a cationic disinfectant in blending the cationic disinfectant with the eye drops.  <P>SOLUTION: The eye drops containing the compound having the chemical structure of the general formula (I) [wherein, R<SP>1</SP>is any of the following formulae (Ia), (Ib), (Ic), (Id), (Ie) or (If)] and the cationic disinfectant is provided by blending a basic amine compound for markedly reinforcing the disinfection effects of the eye drops.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004268511-A (JP)
Title: Inkjet recording apparatus
Inventor: KAWABATA KATSUICHI
IPC: B41J2/01
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inkjet recording apparatus which is equipped with a line head, which dispenses with suspension of image recording operations even in maintenance processing for the line head, and which enables high-speed image recording.  <P>SOLUTION: The line heads 21 and 22 for ejecting ink of the same color, which are juxtaposed along the carrying direction A of a recording medium P, are constituted in such a manner as to be capable of each independently undergoing the maintenance processing during the recording operations, so that the high-speed image recording can be performed without the need for the suspension of the image recording operations even in the maintenance processing for the line heads 21 and 22.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004002714-A (JP)
Title: Stable dispersion concentrate
Inventor: LOEFFLER MATTHIAS
IPC: A61K8/00
Filed: 2003-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid preparation of acryloyldimethyltauric acid or a salt thereof in order to solve such problems that this substance is a pulverulent polymer and in addition to a risk of dust explosion, the dust can harbor dangers in cases of inhalation, and also the storage stability of the powder is impaired by hygroscopicity.  <P>SOLUTION: The dispersion concentrate comprises a copolymer comprising the acryloyldimethyltauric acid, a cyclic N-vinylcarboxamide, and a cross-linked structure derived from a monomer having at least two olefinic double bonds, an emulsifier and/or an oil phase, and water.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004281157-A (JP)
Title: Fuel cell power generation system
Inventor: SO KEISEN
IPC: C01B3/38
Filed: 2003-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell power generation system and method wherein thermal efficiency of a fuel treatment device and power generating efficiency of the fuel cell power system are improved.  <P>SOLUTION: The fuel cell power generation system 101 is provided with the fuel treatment device 1 having a combustion part 18 which introduces and combusts combustion fuel 5 and discharges combustion exhaust gas 9, a reforming part 15 introducing raw fuel 4 and reforming service water 7 and producing fuel gas 8 by a steam reforming reaction between the introduced raw fuel and the introduced reforming service water by utilizing heat generated by combustion, a transforming part 16 which carries out a transforming reaction of the fuel gas 8, and a selective oxidizing part 17 which selectively oxidizes carbon monoxide contained in the fuel gas 8 in which the reforming reaction was performed and discharges it after oxidation, and the fuel cell. The fuel cell introduces a preheating means 2 to preheat the reforming service water by mutually and simultaneously carrying out heat-exchange of the combusted exhaust gas and the discharged fuel gas with the reforming service water to be introduced, the fuel gas which preheated the reforming service water and an oxidizer gas 13 and generates electric power by means of electrochemical reaction.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004281736-A (JP)
Title: Semiconductor memory device
Inventor: TAKAHASHI HIROYUKI
IPC: G11C11/405
Filed: 2003-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To contrive the microfabrication of a memory cell consisting of a capacitor and two sets of switching elements, and improve the data retaining characteristics of the memory cell.  <P>SOLUTION: In one set of memory cell M, first and second switching elements Tr1, Tr2 are arranged respectively at both sides of a capacitor contact 111 connected to a capacitor for accumulating data in an active region 102 so as to pinch the capacity contact 111 while first and second bit line contacts are arranged at the outside of both switching elements. A plurality of memory cells are formed in the straight linear active region whereby the generation of a bent part in the active regions and the deterioration of characteristics of the memory cell caused by the bent part are prevented whereby the microfabrication and improvement of data retaining characteristics of the memory cell are contrived.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003275403-A (JP)
Title: Game machine
Inventor: KUBO KAZUNORI
IPC: A63F7/02
Filed: 2003-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To guide a game ball while reducing the speed by a simple structure without restricting the game area on a game board of a game machine.  <P>SOLUTION: A game ball guide 1 comprises a ladder member 35 with a plurality of crosspieces 38 mounted between a pair of supports 37 and 12 and a wall material 36 disposed opposite to the ladder member 35 with a plurality of projections 44 formed on the surface at prescribed intervals. The ladder member 35 and the wall material 36 are disposed with an interval narrower than the diameter D of a game ball 7 in such a way that the crosspieces 38 and the projections 44 are alternately disposed. A pathway for guiding the game ball 7 is formed of the ladder member 35 and the wall material 36.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004004634-A (JP)
Title: Focal position detector and fluorescence microscope equipped therewith
Inventor: OTAKI TATSURO
IPC: G02B21/00
Filed: 2003-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a focal position detector excellently detecting a focal point even when light quantity from an object is small and a fluorescence microscope equipped therewith.  <P>SOLUTION: The microscope is equipped with illumination means (11-18 and 26) obliquely illuminating the object 25, image forming means (26-27 and 19) condensing the light from the object obliquely illuminated by the illumination means and forming the image of the object, and a light quantity detection means 21 having a light receiving surface arranged astern of a surface (for example, the arranged surface of a light receiving visual field stop 20) conjugate to a focusing position by the image forming means for forming the image of the object, and detecting the light quantity made incident on the light receiving surface in accordance with the image formed on the light receiving surface by the image forming means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004289448-A (JP)
Title: Service providing device, and method and system for verifying electronic certificate
Inventor: YAMASHITA TAKASHI
IPC: G09C1/00
Filed: 2003-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To verify whether or not a user has an electronic certificate which is practically effective anytime in a period when specifying the period for providing a service that is accompanied with specification of period.  <P>SOLUTION: A deposit user 101 and a receiving user 102 exchange file by utilizing a file repository server 103. The file repository server 103 requests a service acception authorization determining server 104 for determining whether the receiving user 102 possesses the electronic certificate which is practically effective any time in the period specified as a receiving period. A service acception authorization determining part 105 of the service acception authorization determining server 104 judges by referencing a user information table 106, and returns the judging result to the file repository server 103.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004289576-A (JP)
Title: Cartesian transmitter
Inventor: SUZUKI KAZUOKI
IPC: H04L27/36
Filed: 2003-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To easily determine the amount of the phase shift of a variable phase shifter in operation in a Cartesian transmitter including an orthogonal modulator and a negative feedback loop using a flip-flop type 0°/90° phase shifter for the orthogonal modulator.  <P>SOLUTION: The Cartesian transmitter is provided with: variable attenuators 24, 25, 26 for switching the route of a signal to directly input an orthogonal modulated signal that is outputted from an orthogonal modulator 21 to an orthogonal demodulator 22; and a detector 27 for switching the route, then detecting the orthogonal modulated signal inputted to the orthogonal demodulator 22 and outputting detected voltage. Thus, a phase difference detector/corrector 23 judges whether a feedback loop is a negative feedback or positive feedback loop in accordance with the level of the detected voltage, and when the loop is a positive feedback loop, corrected phase shift information C is outputted to a variable phase shifter 19, thereby correcting the phases of feedback signals Ir, Qr to provide negative feedback.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004293306-A (JP)
Title: Engine cover
Inventor: OGATA MASAHIRO
IPC: F02B77/00
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an engine cover of high design property and high vibration-damping property.  <P>SOLUTION: The engine cover 1 is provided with a cover main body 2 covering surface of an engine side member and through holes 30, 31 provided on the cover main body 2 and having a projection member projectingly provided on the engine side member pass through and fixed on the same. Only one pair of the through holes 30, 31 is arranged. The engine cover 1 includes a plurality of abutting seats 40, 41, 42, 43 existing inside of an outer edge of the cover main body 2 on a back side surface of the cover main body 2 and abutting on the engine side member in both sides of a straight line L1 connecting the through holes 30, 31 and damping vibration of the cover main body 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004082691-A (JP)
Title: Humidity conditioning member and room
Inventor: KAMESHIMA JUNJI
IPC: B32B27/18
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a humidity conditioning member, at a low cost with high productivity, which has an enhanced moisture absorbing/releasing capacity per unit volume, can exhibit excellent humidity conditioning effect even in a thin film form, and has excellent workability.  <P>SOLUTION: In this humidity conditioning member in which a cured product of a coating agent containing an inorganic porous body and an organic material emulsion constitutes a moisture absorbing/releasing layer on the surface of a substrate, the moisture absorbing/releasing capacity is not less than 30 g/m<SP>2</SP>, and the moisture absorbing/releasing capacity per 100 μm film thickness is not less than 15 g/m<SP>2</SP>.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004294685-A (JP)
Title: Television lens
Inventor: DEMURA TAKESHI
IPC: G02B7/02
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a television lens constituted so that the set circumstances of functions are instantaneously confirmed and concurrently equipped with a setting means excellent in operability.  <P>SOLUTION: The television lens removable from a television camera body is constituted by providing a display means (9-1) for displaying various functions concerning photography by the television lens or lens information, and a selecting and setting means (10-1) for selecting the various functions concerning the photography by the lens displayed on the display means or setting the lens information.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004303856-A (JP)
Title: Manufacturing method of substrate
Inventor: NAZUKA MASANORI
IPC: H05K3/42
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a substrate by which a metallic conductive layer is formed selectively on a hole inner wall with a simple constitution.  <P>SOLUTION: The manufacturing method for a substrate contains at least a process in which thermoplastic resin layers 4 are formed on both surfaces of the substrate for forming a circuit by using the substrate 10 for forming the circuit to which a hole 3 is formed, a process in which the resin layers in the opening section of the hole are removed and the thermoplastic resin layers are formed on both surfaces of the substrate with the exception of the opening section, a process in which the metallic conductive layers 2 are formed on the inner walls of the through-hole by a plating treatment, and a process in which the resin layers are removed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003314501-A (JP)
Title: Control device of hydraulic drive machine
Inventor: TAKAMURA FUJITOSHI
IPC: E02F9/22
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To improve operationality of a control lever in a hydraulic drive machine, particularly to improve operatinality at the start of the operation of the control lever, and to increase the working efficiency.  <P>SOLUTION: When both of operation valves 7, 8 are in a neutral position N, a differential pressure ΔPLSn is established so as to be smaller than a differential pressure ΔPLSa at the time of either of the operation valves 7, 8 being in operation and besides to get smaller as a revolution speed ωE of an engine increases.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004302102-A (JP)
Title: Camera
Inventor: YAMANE KENJI
IPC: G03B17/00
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a camera wherein mis-winding of a film is prevented, at a low cost.  <P>SOLUTION: Index parts 27 being guides for setting the leading end of the film to a prescribed position are provided on the outer peripheral surface of a poll 26. The index parts 27 are arranged in three positions equally dividing the outer periphery of the spool into three (at intervals of 120°). The index parts 27 are formed with recessed parts having an approximately same shape as the leading end of the film and are provided with engaging claws 30 to be engaged with perforations of the film. The position of the spool is so controlled that three index parts 27 may be placed in the center of the front when a rear cover for cartridge loading is opened. When the rear cover is closed, this position control is released to make the spool freely turn.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004311473-A (JP)
Title: Composite inductor
Inventor: OTAKE TOSHIAKI
IPC: H01F17/04
Filed: 2003-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a choke coil that can be manufactured easily, uses a small number of components, and requires a small mounting and occupying area as compared with the conventional one.  <P>SOLUTION: This choke coil is constituted of a composite core 2 on the bottom surface of which a plurality of pot-type cores 1 are arranged, a longitudinally wound air-core coil 3, and a base plate core 4 forming a magnetic circuit with closed magnetic circuit in accordance with the bottom surface of the core 2. After separately wound air-core coils 3 are respectively inserted into the pot type cores 1 of the composite core 2, an internal magnetic coil is formed by sticking the base plate core 4 to the bottom surface of the composite core 2, and the lead terminals 31 of the air-core coil 3 are drawn out from the lead holes 41 of the base plate core 4 for use.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004309179-A (JP)
Title: Dosimeter and method for measuring neutron radiation
Inventor: KOBAYASHI IKUO
IPC: G01T3/00
Filed: 2003-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a neutron radiation measuring dosimeter which is capable of performing measurement in a short time by a physical technique without using chemicals, have a wide measurement range on an integrated dose, are safe, and capable of being repeatedly reused, and a neutron dose measuring method.  <P>SOLUTION: The neutron radiation measuring dosimeter and a neutron dose measuring method use a mixture of alumina powder and metal gadolinium powder or a gadolinium compound powder as a neutron dose measuring element and are capable of measuring an integrated dose of neutron exposure at a work place etc. using radiation in an extremely short time by the physical technique without using chemicals. The measuring range on the integrated dose is wide, and the neutron radiation measuring dosimeter can be repeatedly reused. Since gadolinium is not poisonous to human bodies, safety is assured. By coating part of the neutron dose measuring element with a thermal neutron radiation shielding coating 3, it is possible to detect and measure only an integrated dose of fast-neutron exposure at the part.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004306334-A (JP)
Title: Liquid ejection head
Inventor: OKIFUJI KAZUHIKO
IPC: B41J2/05
Filed: 2003-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem of an ink jet printer that ink drops being ejected from ejection openings located on the opposite end sides in the arranging direction are deflected to the central side in the arranging direction and a white streak is generated when a solid print is formed.  <P>SOLUTION: The liquid ejection head moving relatively to a print medium comprises a plurality of ejection openings 25e and 25c arranged along the first direction, a plurality of electrothermal converters 33 for ejecting liquid from these ejection openings 25e and 25c, and a common ink chamber 29 communicating with the ejection openings 25e and 25c through ink channels 30e and 30c, respectively, and being fed with ink for ejection from the ejection openings 25e and 25c. Resistance of an ink flow from the common ink chamber 29 to individual ejection openings 25e located at the opposite end parts in the arranging direction and constituting an end part ejection opening group is set higher than the resistance of an ink flow from the common ink chamber 29 to individual ejection openings 25c located at the central parts in the arranging direction and constituting a central ejection opening group.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004004028-A (JP)
Title: Bearing with absolute encoder
Inventor: FUJIKAWA YOSHIO
IPC: G01D5/245
Filed: 2003-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low-priced and compact bearing with an absolute encoder capable of knowing an absolute rotation angle without performing initializing operation when power is turned on.  <P>SOLUTION: This bearing with an encoder has a rolling bearing part 1 comprising a rotary-side bearing ring 2, a fixed-side bearing ring 3, and a rolling element 4. The bearing ring 2 is mounted with a detected part 7 whose magnetic characteristic is cyclically changed in a circumferential direction. The bearing ring 3 is mounted with a magnetism detection part 8 comprising a magnetic sensor that confronts the detected part 7. A magnetism detection circuit board 9 is provided for processing an output signal of the detection part 8 to output it to the exterior. The magnetic characteristic of the detection part 8 is changed with one revolution of the bearing ring 2 assumed as one cycle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004308209-A (JP)
Title: Flexible joint structure for shielded tunnel
Inventor: HAYASHI SHINYA
IPC: E21D11/04
Filed: 2003-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To further simplify a flexible joint structure for a shielded tunnel while still making the most of an advantage of becoming easy in removing work from an interrupted part by forming a thrust receiving material in a wedge shape.  <P>SOLUTION: An inclined face is formed on opposed end surfaces 2a and 3a of themselves of a pair of front-rear tunnel end members 2 and 3 for forming an annular interrupted part G1. A wedge-shaped space is formed for inserting the wedge-shaped thrust receiving material 1.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004305404-A (JP)
Title: Washing machine
Inventor: TOZAKI SO
IPC: D06F39/10
Filed: 2003-04-07
Abstract: <P>PROBLEM TO BE SOLVED: To prevent early-stage clogging of filters in a lint catch box provided on the way to a drain hose and easily clean the lint catch box.  <P>SOLUTION: This washing machine is provided with the lint catch box 6 on the way to an external hose part of the drain hose for passing washing liquid discharged from a water tank, and the lit catch box 6 is installed with a lint filter 43 formed into an X shape by engaging notch parts 42a of the two filters 42, which are formed with the notch parts 42a in their centers, with each other. The filters 42 are constituted of rough catch parts 42b and fine catch parts 42c in both sides of the notch 42a as their boundary.  <P>COPYRIGHT: (C)2005,JPO&NCIPI