baber/WOPTO huggingface dataset:
Patent JP-2003272322-A (JP)
Title: Spindle motor in disk storage device and method and device for driving voice coil motor
Inventor: SAKAMOTO NORIYUKI
IPC: G11B19/28
Filed: 2002-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To reduce power consumption in a motor driver while keeping seek speed to drive an SPM and a VCM.  <P>SOLUTION: A CPU sets power source voltage of a motor driver driving the SPM and the VCM to first power source voltage (e.g. maximum voltage EMAX which can be boosted in a boosting circuit) in a high speed seek mode in which high speed of seek operation has priority (S3, S7). Also, in a high efficiency mode in which reduction of power consumption in the motor driver has priority, the CPU sets power source voltage of the motor driver to second lower power source voltage (e.g. minimum voltage EMIN required for driving the SPM with steady rotation speed) (S3, S5, S6) then the first power source voltage.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003268481-A (JP)
Title: Titanium composite material and implant using the same
Inventor: KAMIYA AKIRA
IPC: C22C1/05
Filed: 2002-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a titanium composite material and an implant using the same.  <P>SOLUTION: This titanium composite material, having strength enhanced by dispersing magnesium oxide particles in a matrix comprising a titanium material to form a composite, is prepared by (1) mixing titanium or a titanium alloy with magnesium oxide particles and (2) sintering the resultant mixture by powder sintering. A biocompatible member for an organism is provided which contains the titanium composite material as a constituent.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003265419-A (JP)
Title: Collection method and collection system for biological information
Inventor: KANAZAWA YASUYUKI
IPC: G04G5/00
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To prevent error in setting the date and time of a clock 1b or gradual shifting in the same, which is used for determining the measurement date and time of biological information in health care system.  <P>SOLUTION: The date and time of a reference clock 3a always set on correct date and time are transmitted to a clock setting means 1d by a date and time information transmitting means 3, thereby automatically setting the date and time of a clock 1b.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273357-A (JP)
Title: Semiconductor device and manufacturing method thereof
Inventor: IKEDA YOSHINARI
IPC: H01L21/336
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device capable of suppressing an amount of warp due to a bimetallic effect of a semiconductor chip which is reduced in thickness, and to provide a manufacturing method thereof.  <P>SOLUTION: A frame 6 made of a polyimide of an insulating thick film is formed on the periphery of an IGBT (insulated gate bipolar transistor) chip 1 which is reduced in thickness and has a gate electrode 3 and an emitter electrode 2. The thickness of this frame 6 is made to be 5-50 μm, thereby reducing the amount of warp of the chip 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003271426-A (JP)
Title: Method for managing general-purpose data file
Inventor: KIMURA NOBUHIRO
IPC: G06F12/00
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for managing a general-purpose data file capable of managing general-purpose data of various data types by a single file.  <P>SOLUTION: As a form of the managing file, identification data (a control character) showing the data type is arranged at the head of data. Subsequently, actual data and delimiters are alternately arranged as a data main body. The identification data showing the data type and the data main body are made a pair to manage data of a plurality of data types by the same file.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273761-A (JP)
Title: High frequency module for phased array antenna
Inventor: IKEMATSU HIROSHI
IPC: H04B1/18
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To make a high frequency (RF) module smaller and more inexpensive and to prevent a deterioration in cross-polarization characteristic.  <P>SOLUTION: A polarized signal is received by the element antenna of a phased array antenna to obtain first and second received signals. Low noise amplifiers 3 and 4 respectively amplify the first and second received signals to obtain first and second amplified signals. A 90° hybrid circuit 5 polarization- exchange the first and second amplified signals to obtain first and second polarization-exchanged signals. Low pass filters LPFs 21 and 22 attenuate a transmission frequency band and give the first and second polarization- exchanged signals to low-noise amplifiers 6 and 7. Third and fourth amplified signals from the low-noise amplifiers 6 and 7 have their passing phases adjusted by phase shifters 8 and 9.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003240908-A (JP)
Title: Antireflection film
Inventor: SATO TAKAYUKI
IPC: G02B1/11
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an antireflection film comprising an optical multilayer film using titanium oxide for a high refractive index coating film and having sufficient film strength and interlayer adhesiveness.  <P>SOLUTION: A coating composition prepared by mixing a titan alkoxide monomer or polymer with an organic coordinate which can form a seven or eight-member cyclic chelate with a metal is applied on a base film to form a high refractive index coating layer. The coating composition comprises a compound expressed by general formula of Ti<SB>m</SB>(OR<SP>1</SP>)<SB>2m+2</SB>, wherein R<SP>1</SP>represents a 1-5C alkyl group and m represents an integer of ≥1, a compound expressed by general formula (2): R<SP>2</SP>-R<SP>3</SP>-C<SB>n</SB>H<SB>2n</SB>-R<SP>4</SP>-R<SP>5</SP>or its derivative, wherein each of R<SP>2</SP>and R<SP>5</SP>represents a hydrogen atom, a hydroxyl group, a 1-5C alkyl group or the like, each of R<SP>3</SP>and R<SP>4</SP>represents =CO or the like and n represents an integer of 2 or 3, and an organic solvent.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273931-A (JP)
Title: External network connection system
Inventor: ONODERA MASAYUKI
IPC: H04L12/70
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To reliably block unauthorized intrusion to an intra-company network.  <P>SOLUTION: A monitoring terminal 10 that monitors equipment 4 to be monitored via a LAN 6 and a communication controller 11 connected with the Internet 3 are installed in the intra-company network 2, and the monitoring terminal 10 and the communication controller 11 is connected via a serial communication cable 15 such as RS-232C. The communication controller 11 has a protocol conversion processing part 16 that performs protocol conversion from a protocol to be used for communication via the serial communication cable 15 to TCP/IP (transmission control protocol/Internet protocol), performs protocol conversion of monitoring information transmitted from the monitoring terminal 10 and transmits the information to a monitoring center 1 via the Internet 3. Wince the communication controller 11 has no protocol conversion function in the reverse direction, information from the side of the Internet 3 cannot be taken into the intra-company network 2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003073585-A (JP)
Title: Liquid for forming titania film, method for forming titania film, titania film and photocatalytic material
Inventor: GO YUTAKA
IPC: C09D5/00
Filed: 2002-03-20
Abstract: PROBLEM TO BE SOLVED: To provide a liquid for forming a titania film, having excellent storage stability and high safety owing to the neutral nature, exhibiting high photocatalytic activity compared with a conventional titania film produced by using an anatase crystal/amorphous mixed titania sol solution at a low temperature and having excellent property giving little interference color. SOLUTION: The liquid for forming a titania film is produced by mixing an anatase crystal/amorphous mixed titania sol solution containing amorphous titania and anatase crystalline titania or its precursor and an organic substance. The photocatalytic activity developed by applying ultraviolet rays to a film produced by applying and drying the forming liquid is higher than the photocatalytic activity developed by the ultraviolet ray irradiation of a film obtained by applying and drying an anatase crystal/amorphous mixed titania sol solution used in the former process.
Patent JP-2003284226-A (JP)
Title: Recycle-type winding grip
Inventor: MORI SHIGEO
IPC: H02G7/00
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem of a conventional recycle-type winding grip such as that force beyond adhesive effect adds to it when the user removes this grip from a steel strand and each element wire separates from one another and it does not return to the original form and the function as the grip is lost and it can not be recycled, since the winding grip currently in use is made by molding high tension steel element wires and bonding them together.  <P>SOLUTION: A recycle-type grip is provided, which is made by using a high- tension steel element wire of proper width and thickness as it is in original form or making a plurality of linear cuts of proper length at a part in longitudinal direction and processing it spirally with a proper bore so as to be fitted with a steel element wire and besides, applying a friction increasing agent to the inside, from the structure of molding the winding grip of high-tension steel element wires and bonding them together with an adhesive.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003279468-A (JP)
Title: Composite degradation acceleration method for covering material
Inventor: TSUJIMOTO YOSHIHIRO
IPC: G01N17/00
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a composite degradation acceleration method for accelerating composite degradation in a condition furthermore similar to an actual environment in order to evaluate accurately durability or weather resistance of a covering material constituted by combining different kinds of materials.  <P>SOLUTION: In this composite degradation acceleration method of the covering material, a test body T of the covering material constituted by combining different kinds of materials is fixed in a thermo-hygrostat 4 capable of maintaining an optional temperature and humidity, and irradiation of light in a wave range including an infrared ray and scattering or spraying of neutral water, acid water or salt water are executed to the covering material in the thermo-hygrostat 4, continuously or intermittently based on a prescribed cycle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003277781-A (JP)
Title: Lubricating oil composition
Inventor: YAGISHITA KAZUHIRO
IPC: C10M139/00
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lubricating oil composition having very excellent maintainability of basic value under NOx atmosphere.  <P>SOLUTION: This lubricating oil composition comprises (A) 0.005-0.5% by mass based on a metal element conversion amount of an alkali metal or an alkaline earth metal salicylate having 2 or less metal ratio, (B) 0.005-0.5% by mass based on the metal element conversion amount of an alkali metal or an alkaline earth metal sulfonate and (C) 0.005-0.5% by mass based on a phosphorus element conversion amount of a phosphorus-containing abrasion- inhibiting agent in a base oil of the lubricating oil, or the components (A) and (B) of the above amount and additionally (D) 0.1% by mass or less based on a sulfur element conversion amount of zinc dithiophosphate in the base oil of the lubricating oil.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003277017-A (JP)
Title: Hydrogen producing apparatus
Inventor: FUJIWARA SEIJI
IPC: H01M8/10
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydrogen producing apparatus the start-up time of which can be shortened by advancing the oxidation reaction on an oxidation catalytic body even at low temperature and raising the temperature of a conversion catalytic body rapidly.  <P>SOLUTION: This hydrogen producing apparatus is provided with a reforming part 1 for supplying the reformed gas, a conversion part 6 having the oxidation catalytic body 7 and the conversion catalytic body 8 and an oxidizing gas supplying part 9 for supplying an oxidizing gas to the part 6. The body 7 contains the oxide of at least one of Al and Si, at least one of one or more transition metals and transition metal oxides and at least one of at least one noble metal of Pt and Pd and noble metal oxide.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003288022-A (JP)
Title: Liquid crystal display
Inventor: FUJIWARA NORIO
IPC: G02F1/133
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display which does not transmit heat to the liquid crystal material of the liquid crystal display unit and which does not degrade the display state by heat even when the back face or the display face of the liquid crystal display is directly irradiated with sun rays.  <P>SOLUTION: A heat insulating material 8 is disposed between the opposite side to the display face of the liquid crystal display unit 5 and the housing of the liquid crystal display 6 housing the liquid crystal display unit 5. Further, a transparent spacer 9 made of an acrylic resin or the like is inserted between the display unit 5 and a half transmission type touch panel 7 to form a hermetically sealed space, where transparent static air 10 as a heat insulating material is sealed in the space.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003287151-A (JP)
Title: Motor-operated valve
Inventor: OUCHI TOMOARI
IPC: F16K27/02
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure for reducing noises of a motor-operated valve for controlling a flow rate of a refrigerant of an air conditioner.  <P>SOLUTION: A valve chest 81 is formed in a valve body 80. A guide part 83 is formed in the valve chest 81. The guide part 83 contacts with an outside surface of a valve stem 51, and is formed in a cylindrical shape integrally with the valve body 80 so as to surround the periphery. A valve element 50 contacts with and separates from a valve seat 82 in the valve chest 81 by a driving mechanism by operation of a stepping motor, and adjusts a passing flow rate of the refrigerant between fluid inflow-outflow pipes 2 and 3. In this case, since the valve stem 51 is supported by the guide part 83, vibration of the valve element 50 by the passing of the refrigerant can be restrained, so that the noise generated by the vibration of the valve element 50 can be reduced.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003284195-A (JP)
Title: Hearing acuity simulator, electronic component used for the same, and regulating method for the simulator
Inventor: SUGA MASAAKI
IPC: H04R31/00
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hearing acuity simulator whereby an elderly person or a hearing impaired person perceives voice information by walking on a station or a road in a wearable state so as to physically have a simulated experience where a problem of a deteriorated hearing acuity exists.  <P>SOLUTION: The hearing acuity simulator 100 applies signal processing simulating a particular hearing acuity characteristics to an acoustic signal in response to external sound picked up by a microphone 11 provided to a hearing acuity simulation circuit section 1 and allows a speaker 2 supported by a sound shield section 101 of a structure for containing human ears and shading external sounds to output sound.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003290921-A (JP)
Title: Multi-layer welding method, and multi-layer automatic welding equipment
Inventor: IMANAGA AKIYOSHI
IPC: B23K37/02
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-layer welding method and multi-layer automatic welding equipment for obtaining excellent welding of full penetration without hot cracks suitable for a welded structure of a double-V groove joint of poor dimensional accuracy such as gap changes and meandering of the weld line.  <P>SOLUTION: The groove of the double-V groove joint of a thick and long member is limited to a range of 30-40° narrower than a conventional groove. The pulse welding pattern to transfer one droplet by one pulse of a high current, a plurality of average currents and other average currents on a filled layer and a finished layer by the gap width range to be output in the root running are set. In the root running, the average current and the average voltage corresponding to the gap width are output in a stepped manner in a controlled manner based on the detection information on the positional deviation in the right-to- left direction and the vertical direction of the gap width and the groove center of the groove part. The deposition area, the welding speed, and the weaving width, and the condition parameters such as the frequency are calculated, and the positional deviation of the torch in the right-to-left direction and the vertical direction of the weld line is corrected.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003289197-A (JP)
Title: Method and device for arranging electronic component
Inventor: OKUNO MASATOSHI
IPC: H05K13/02
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently arrange electronic components as keeping them in a prescribed positional relation among them.  <P>SOLUTION: A circular hole has a diameter larger than the diagonal dimension of the WT side and TL side of a component in Figure 3 but smaller than the diagonal dimension of the WL side and TL side of the component, and is provided on an upper plate. A square or rectangular hole slightly larger than the dimension of W and T of the component is provided to a lower plate. An arranging method for arranging the components is carried out by providing the upper plate, the lower plate, and a transfer jig. An arranging device is equipped with the upper plate, lower plate, transfer jig, vibrating means, and swinging means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003286228-A (JP)
Title: Method for purifying hydroxyalkyl (meth)acrylate and method for producing hydroxyalkyl (meth)acrylate
Inventor: MIYAZAKI SEIJI
IPC: C07B61/00
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for purifying a hydroxyalkyl (meth)acrylate, with which a product having a low content of high-boiling impurities such as dialkylene glycol monoesters, etc., and a method for producing the hydroxyalkyl (meth)acrylate.  <P>SOLUTION: The method for purifying the hydroxyalkyl (meth)acrylate comprises sending a feed solution being the hydroxyalkyl (meth)acrylate containing the high-boiling impurities to a film evaporator, separating the feed solution into a distillate containing mainly the hydroxyalkyl (meth)acrylate and bottoms containing the high-boiling impurities, taking out them from the film evaporator, mixing the bottoms with the feed solution and resending the mixture to the thin evaporator.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003297616-A (JP)
Title: Ceramic substrate for multiple-chip resistor
Inventor: HIRANO OSUKE
IPC: H01C7/00
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ceramic substrate for multiple-chip resistor, that is provided with longitudinal and transverse dividing grooves and through-holes which are formed at regular intervals on either the longitudinal or the transverse dividing grooves, is divided into a product section partitioned by the outermost longitudinal and transverse dividing grooves and a dummy section between the outermost longitudinal and transverse dividing grooves and the outer periphery of the substrate, and is reduced in the occurrence of defective products by stabilizing the dimensions the and shapes of the outermost through-holes.  <P>SOLUTION: In the dummy section 6a including parts of the through-holes 5a formed on the outermost dividing grooves 2a, a plurality of dummy through- holes 7 is formed at intervals equal to those of the through-holes 5a formed on the dividing grooves 2a.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003293662-A (JP)
Title: Opening frame structure
Inventor: MORI JUN
IPC: E06B3/96
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an opening frame structure of high accuracy, having high bonding strength of an upper frame and a vertical frame to prevent the displacement on a joint part, having high strength and durability, and further capable of performing both of vertical finish and mitre finish, when an ornamental frame is mounted.  <P>SOLUTION: In this opening frame structure wherein inclined end faces are formed on upper frame both end parts and vertical frame upper end parts, the inclined end faces are abutted to each other to form an approximately right-angled corner part, a hole penetrating through the upper frame and the vertical frames in the direction approximately orthogonal to the inclined end faces is formed from the upper frame end part to the vertical frame upper end part, a fastening tool is joined through the hole, and a cut groove communicated to a casing groove formed on a vertical frame, is formed on both end parts of an upper frame face.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003297672-A (JP)
Title: Method of manufacturing solid electrolytic capacitor
Inventor: HARASHIMA YUTAKA
IPC: H01G9/00
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To reduce LC of a solid electrolytic capacitor.  <P>SOLUTION: A capacitor element 2 formed with a solid electrolyte layer formed from polyethylene-dioxythiophene is dipped into an electrolytic solution and a re-chemical-conversion treatment is performed that applies a voltage with an anode of the capacitor element 2 as a positive pole and the electrolyte solution as a negative pole. In the re-chemical-conversion treatment, after a predetermined voltage is maintained for a specified time, the voltage is gradually raised, and then a final voltage is maintained for a specified time. When the re-chemical-conversion treatment current becomes a desired value, the re- chemical-conversion treatment terminates.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003017422-A (JP)
Title: Method and equipment for manufacturing semiconductor device
Inventor: TAKAGI MIKIO
IPC: H01L21/304
Filed: 2002-04-01
Abstract: PROBLEM TO BE SOLVED: To reduce generation of particles in a vertical single-reaction tube type batch furnace, to increase the utilization efficiency of a gas in a method of removing a natural oxide film using fluoride gas, to conduct a catalytic excitation of a reactive gas at a high temperature in a batch process, and to provide a method for catalytic excitation by a method jointly using an oxidant and other gas than the oxidant. SOLUTION: The flow rates of a gas blowout tube and a gas exhaust tube are essentially the same. Intervals between wafers are set to a free path of a gas or larger. The oxidant is catalytic dissociated by Ir, V, and kanthal, and the oxidant is subjected to catalytic dissociation by W or the like.