baber/WOPTO huggingface dataset:
Patent JP-2004317403-A (JP)
Title: Surface pressure distribution sensor
Inventor: KAWABATA MASARU
IPC: G06T1/00
Filed: 2003-04-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface pressure distribution sensor capable of accurately and stably detecting a surface pressure distribution over a long term and capable of being manufactured with a simple configuration at a low cost.  <P>SOLUTION: The surface pressure distribution sensor 10 includes a line wiring part 11 and a column wiring part 12 that are oppositely arranged with a fixed distance of space via a spacer 18. The line wiring part 11 comprises a glass substrate 13, line wiring 14 arranged in mutually parallel with a number of lines in a first direction on this glass substrate 13, and an insulating film 15 covering this line wiring 14. The column wiring part 12 comprises a flexible film 16 and column wiring 17 arranged in mutually parallel with a number of columns in a second direction on this flexible film 16.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004322677-A (JP)
Title: Power steering device
Inventor: HAMANO SEIJI
IPC: B62D5/07
Filed: 2003-04-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power steering device favorable in preventive effect of a kickback phenomenon and to prevent abnormal sound from being caused by the oscillation of a valve element of a check valve.  <P>SOLUTION: The power steering device is furnished with a power steering mechanism to generate steering auxiliary power by working oil supplied from a hydraulic pump and the check valve 30 to regulate the backflow of the working oil to the hydraulic pump from the power cylinder mechanism. A plurality of supporting pieces 54 forming a groove 57 in which the working oil flows are projected in the radial direction with intervals in the peripheral direction, extended in the opening and closing direction and provided between an outer peripheral surface of the valve element 50 of the check valve 30 and an inner peripheral surface 46 of a valve body 40 on the outer peripheral surface of the valve element 50 of the check valve 30. Two granular small projections 55 sliding on the inner peripheral surface 46 are provided on each of the supporting pieces 54. It is possible to prevent the valve element 50 in a floating state at the time of opening the check valve 30 from making contact with the valve body 40 at a part except for the small projections 55 by these small projections 55.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004324429-A (JP)
Title: Combustion pressure data collection system for multi-cylinder engine
Inventor: KASHIWASE HAJIME
IPC: F02D45/00
Filed: 2003-04-21
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently collect combustion pressure data of each cylinder with a simple structure without requiring complicated processing.  <P>SOLUTION: A cylinder pressure sensor CPS#n for directly detecting combustion pressure of each cylinder, an amplifier unit AP#n to which the cylinder pressure sensor CPS#n of each cylinder is connected, and a channel switching unit MUX to which the amplifier unit of each cylinder is connected are provided. A system to be measured is selected from a signal of a plurality of systems from the amplifier unit AP#n and combustion pressure data are output to an ECU and a reset signal for discharging electricity between the cylinder pressure sensor CPS#n and an amplifier circuit is output to the amplifier unit AP#n by which measurement is to be completed. Consequently, combustion pressure data of each cylinder are efficiently collected with the simple structure without requiring complicated processing.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005002136-A (JP)
Title: Water-based ink composition for ballpoint pen
Inventor: ITO ATSUSHI
IPC: C09D11/18
Filed: 2003-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water-based ink composition for ballpoint pens having lubricity of a water-based ballpoint pen tip and bleeding resistance of handwriting in combination.  <P>SOLUTION: The water-based ink composition for the ballpoint pens is characterized as follows. The composition comprises water and a colorant as essential components and contains a compound represented by formula (1) and at least one kind of water-soluble organic solvent of alcohols, glycols and glycol ethers having branched hydrophobic groups.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004322112-A (JP)
Title: Hardened casting, manufacturing method, and method for hardening casting
Inventor: KAWASHIMA SHIRO
IPC: C22F1/043
Filed: 2003-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a casting having high mechanical properties even in the vicinity of a feeder head part without depending on a casting method for molding, and also, without depending on the solidification order during casting.  <P>SOLUTION: The casting is characterized in that it is hardened by a dense layer formed on the surface side and the thickness of the dense layer is 300-2,000 μm. The casting is obtained by pouring molten metal into a mold. After that, a closed space, in which one surface is made as a constituent face, is formed at least on the one surface of the casting. The casting is oscillated after throwing a hardening material such as metal balls and cut wires into the closed space. As a result, the dense layer is formed on the front side of the casting.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004323207-A (JP)
Title: Boom telescopic mechanism
Inventor: YAMANOI TETSUSHI
IPC: B66F9/22
Filed: 2003-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a boom telescopic mechanism capable of making stability performance generally equal to that of a one-cylinder telescoping mechanism since the total weight of the telescopic mechanism is generally equal to the one-cylinder telescopic mechanism while a time required for a telescopic boom to be brought in an extended state is shorter than that of the one-cylinder telescopic mechanism since basically the boom telescopic mechanism is a two-cylinder telescopic mechanism.  <P>SOLUTION: This boom telescopic mechanism comprises a first telescopic cylinder 47 and a second telescopic cylinder 48 capable of providing a telescoping stroke of an amount equivalent to one stage of boom by adding the telescopic movements of both cylinders to each other, boom fixing means 49 to 52, a first cylinder/boom connection means 53 and a first fixing pin drive means 54 fitted to the cylinder tube rod side end part 47b of the first telescopic cylinder 47, and a second cylinder/boom connection means 55 and second fixing pin drive means 56 fitted to the cylinder tube anti-rod side end part 48c of the second telescopic cylinder 48.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004005959-A (JP)
Title: Recording and reproducing method of disk drive
Inventor: UNO KOJI
IPC: G11B21/08
Filed: 2003-04-28
Abstract: <P>PROBLEM TO BE SOLVED: To make recording and reproducing data fast by recording/reproducing the data without waiting for a disk medium to make one revolution after switching a head in a sector servo and hybrid disk drive.  <P>SOLUTION: In response to a read control command or a write control command following a head switching command for switching to an effective head among a plurality of heads 52A to 52C, a disk control part 2 is notified of write/read acceptance/rejection information on the basis of the number of times when the heads 52A to 52C pass through the area of servo information for head positioning written on the data surface.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004334310-A (JP)
Title: Information display method, information display device, and program
Inventor: HARA MASAKI
IPC: G06F3/048
Filed: 2003-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently display a great amount of information in a narrow display area of a personal digital assistance and the like.  <P>SOLUTION: This information display method for displaying information constructed of a plurality of pages in a display panel of a terminal (a cellular phone) having numeric keys 1-9 arranged in 3 rows by 3 lines is provided with a previous page display process for displaying information on the previous page by operation of a first numeric key (a number 4 key) arranged in one end of any line/row of the numeric keys, a following page display process for displaying information on the following page by operation of a second numeric key (a number 6 key) arranged in the other end of any line/row of the numeric keys, and a head display process for displaying information in the head of the current display page by operation of a third numeric key (a number 5 key) arranged in the center of any line/row of the numeric keys.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004031337-A (JP)
Title: Separator for fuel cell, manufacturing method therefor, and fuel cell using the separator
Inventor: TAMAI KEIZO
IPC: C23C14/06
Filed: 2003-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a separator for a fuel cell which has a substrate made of a metal material excellent in processability and which is excellent in conductivity and corrosion resistance, and a manufacturing method for the separator, and to provide the fuel cell using the separator.  <P>SOLUTION: In the manufacturing method, after forming a gas flow passage on a metal plate by press molding, by sputter deposition in mixture gas in which hydrogen or an ammonia gas is added into the mixture gas of argon and nitrogen, or by arc-ion plating in the mixture gas in which nitrogen is mixed with hydrogen or an ammonia gas, a molybdenum nitride film is formed as a metal separator, or after forming the molybdenum nitride film on the metal plate in the same way, the gas flow passage is provided by press molding, and then, the separator is incorporated into an electrode/membrane assembly composed of a solid-state macromolecular-electrolyte film and a catalyst supporting electrode to constitute the fuel cell.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004331434-A (JP)
Title: Microreacter for hydrogen production and its manufacturing method
Inventor: YAGI YUTAKA
IPC: B01J19/00
Filed: 2003-05-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a small microreactor which shows a high efficiency and realizes a reformer for hydrogen production which is excellent in mechanical stability, and a manufacturing method which enables easy manufacturing of the microreactor.  <P>SOLUTION: The microreactor has a structure comprising a metal substrate which is made of aluminum or an aluminum alloy and has a fine groove part on one side, a catalyst supported inside the fine groove part and a cover member which has a raw material inlet and a gas outlet and is bonded to the metal substrate to cover the fine groove part. The cover member is made of aluminum or an aluminum alloy and has a surface-treated layer on at least the surface bonded to the metal substrate. The microreactor shows a high efficiency of heat transfer from a heating unit to the supported catalyst, has a high mechanical strength, enables easy processing of the metal substrate and therefore can be easily manufactured.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004333047-A (JP)
Title: Liquid fuel combustion heating machine
Inventor: MIYAGAWA HIROSHI
IPC: F24H3/04
Filed: 2003-05-09
Abstract: <P>PROBLEM TO BE SOLVED: To easily release negative ions into a room by making the circumference of a negative ion generator and an electrode generating the negative ions by high voltage generated from the negative ion generator be hardly charged.  <P>SOLUTION: The discharge-type negative ion generator 20 is sealed in a case 20a made out of a non-conductive material, the electrode 29 generating the negative ions by high voltage generated from the negative ion generator 20 is mounted on an electrode mounting base 30 made out of the non-conductive material, the case 20a and the electrode mounting base 30 are accommodated in a conductive mounting member 31, and the mounting member 31 is electrically connected with a metallic casing 1 of the liquid fuel combustion heating machine or a metallic component in the casing 1.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004331925-A (JP)
Title: Crystalline cellulose fine powder
Inventor: OTANI TETSUYA
IPC: A23L29/00
Filed: 2003-05-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a material composition formulated with crystalline cellulose fine powders combining excellent water-absorbing and oil-absorbing properties and viscosity.  <P>SOLUTION: The crystalline cellulose fine powders are rod-shaped particles with an average diameter of 5 to 20 micrometers at a rate of less than 5 mass%, and with major to minor diameter ratios of 5 or more.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004340608-A (JP)
Title: Capacity type dynamic quantity sensor unit
Inventor: GOTO KEISUKE
IPC: G01P15/08
Filed: 2003-05-13
Abstract: <P>PROBLEM TO BE SOLVED: To properly realize both-side fixed electrode constitution by simple constitution, in a capacity type acceleration sensor unit with a sensor chip having a comb-toothed movable electrode and comb-toothed fixed electrodes assembled to a circuit chip.  <P>SOLUTION: The sensor chip 100 has the comb-toothed movable electrode 24 displaced along a Y-direction and the comb-toothed fixed electrodes 30, 31, 40, 41 arranged opposed to the movable electrode 24, in one face side of a semiconductor substrate 10, and an acceleration is detected based on a capacity change between the movable electrode and the fixed electrodes accompanied to acceleration impression along the Y-direction. Both-side fixed electrode constitution is formed to be provided opposedly one by one with the fixed electrodes 30, 31, 40, 41, individually in one side of a direction along the Y-direction in the movable electrode 24 and the other side thereof. In the sensor chip 100, one face of the substrate 10 is faced to the circuit chip, and respective electrode pads 25a, 30a, 31a, 40a, 41a are connected electrically to the circuit chip via a bump electrode.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004341267-A (JP)
Title: Display drive device, display device and driving control method thereof
Inventor: TAKEI MANABU
IPC: H05B33/14
Filed: 2003-05-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display drive device, a display device and a driving control method thereof capable of restraining the decline of a display data writing rate due to a parasitic capacitance and the wiring resistance of a signal wiring, activating a light emitting element in a uniform brightness tone, and improving the quality of a display image, regardless of the disposition of respective display pixels constituting the display panel.  <P>SOLUTION: The display device 100 comprises a display panel 110 on which a plurality of display pixels EM are arrayed in a matrix, a scanning driver 120 that sets the display pixel EM of each line at a selection state, and a data driver 130 that supplies a tone current Ipix to each data line DL at a predetermined timing. In writing the display data to each display pixel EM, a current value of the tone current is regulated for correction corresponding to the disposition of the display pixel EM on the display panel 110, thereby making the display data writing rate uniformized for the display pixels arrayed in any position.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004343503-A (JP)
Title: Optical signal processing apparatus, and method for restricting switchover report
Inventor: AKIYAMA YUICHI
IPC: H04L69/40
Filed: 2003-05-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical signal processing apparatus for eliminating an unnecessary switchover report, and enabling a network maintenance person to accurately grasp a present switch state.  <P>SOLUTION: The optical signal processing apparatus includes a switch 22 for selecting a receiving path via either a line L1 or L2; a switchover control processor 14 for controlling switchover by the switch 22; and an alarm collection/control unit 19 for reporting a supplied switch state to an upper-level apparatus. The switchover control processor 14 includes a timer 33 which starts count from zero when the receiving path is switched by the switch 22; a timer 32 which measures, at intervals less than a timeout of the timer 33, the duration time of a state in which the switchover of the receiving path is performed continually; and a switch state retention section 35 which retains a present switch state determined by the switch 22, and also supplies the retained switch state to the alarm collection/control section 19, only when a timeout is detected on either of the above counters.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004337102-A (JP)
Title: Combine harvester
Inventor: OSAKI MASAMI
IPC: B60J1/00
Filed: 2003-05-16
Abstract: <P>PROBLEM TO BE SOLVED: To improve rear visual range properties, perform highly safe operation, facilitate operation such as maintenance in a tank and improve the operation efficiency by increasing the level of a lower end of a window of a rear hatch from the top surface of a grain tank.  <P>SOLUTION: The subject combine harvester is provided with a cabin surrounding an operation part and arranged in a transverse lateral part of a reaping part. The combine harvester is composed so as to locate the lower end of the window of the rear hatch at the rear of the cabin at a higher level than the top surface of the grain tank at the rear.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004349817-A (JP)
Title: Parametric speaker
Inventor: KATASE MAKOTO
IPC: H04R3/00
Filed: 2003-05-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a parametric speaker capable of varying a distance between an electroacoustic transducer and a position where an audible sound is generated with a simple structure.  <P>SOLUTION: The parametric speaker 1 is provided with: an oscillator 11 for generating a voltage vibrating signal with a frequency of an ultrasonic band; an amplitude modulator 12 for applying amplitude modulation to the signal generated by the oscillator 11 on the basis of a sound signal; and an electroacoustic transducer 2 converting a modulated signal modulated by the amplitude modulator 12 into an ultrasonic wave and emitting the wave in air. The oscillation means 11 comprises a voltage-controlled oscillator 111 and a carrier generating section 112, and the oscillated frequency of which is variable. The parametric speaker 1 can vary the distance between the electroacoustic transducer 2 and the position at which the audible sound is generated resulting from an ultrasonic wave emitted from the electroacoustic transducer 2 subjected to self-demodulation.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004345887-A (JP)
Title: Method for manufacturing compound semiconductor single crystal
Inventor: YAMAMOTO SHUNSUKE
IPC: C30B29/42
Filed: 2003-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To grow a compound semiconductor single crystal having a low dislocation density in a good yield by reducing dislocations generated in the vicinity of a seeding part without using a communicating fine tube in a vertical Bridgman method or a vertical temperature gradient freezing method.  <P>SOLUTION: In a method for manufacturing the compound semiconductor single crystal, based on the vertical growth method comprising arranging a seed crystal 6 at the lowermost part of a crystal growth vessel 3 and arranging a raw material melt 4 on the seed crystal 6, starting crystal growth from the seed crystal in the crystal growth vessel 3 and gradually growing the crystal upward, the thermal shock in dissolving the seed crystal is suppressed by setting the dissolving speed of the seed crystal 6 to be ≥0.5 and ≤3.0 mm/h.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004349474-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: KANETANI HIROYUKI
IPC: H01L21/768
Filed: 2003-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To reduce damage due to a multi-layer manufacturing process for a dielectric capacitor employed in an FeRAM and prevent the film peeling of an interlayer insulating film.  <P>SOLUTION: A protective film 7 is formed on the surface of the dielectric capacitor 6. A P-SiO<SB>2</SB>interlayer insulating film 8 having a dielectric constant not lower than 4 is formed on the protective film 7, and an Al wiring 10 for a first layer is formed on the P-SiO<SB>2</SB>interlayer insulating film 8. Further, a low-k interlayer insulating film 11 having a dielectric constant not higher than 4 is formed on the Al wiring 10, and an Al wiring 13 for a second layer is formed on the low-k interlayer insulating film 11. Low-k interlayer insulating films 14, 17 are formed in the same manner to constitute the FeRAM.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004347031-A (JP)
Title: Ultra high-speed micro dynamic-pressure bearing and its manufacturing method
Inventor: ISOMURA KOSUKE
IPC: F01D25/00
Filed: 2003-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ultra high-speed micro dynamic-pressure bearing capable of supporting the high-speed rotation of an impeller for a micro machine gas turbine and thrust force acting on the impeller and a method of manufacturing the bearing.  <P>SOLUTION: This ultra high-speed micro dynamic-pressure bearing 10 comprises a slender cylindrical portion 12 and a disk portion 14. A member symmetrical with respect to an axis is manufactured, and dynamic pressure generating grooves 12a and 14a are formed in the outer peripheral surface of the cylindrical portion 12 and both faces of the disk portion 14 in a cylindrical part groove forming step and a disk part groove forming step. In the cylindrical part groove forming step, after a photo resist is applied to the outer peripheral surface of the cylindrical portion 12, the cylindrical portion is rotated about an axis in a solvent steam.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004345908-A (JP)
Title: METHOD FOR RECOVERING CaO FROM PLASTERBOARD WASTE
Inventor: IKEDA TSUNEO
IPC: C02F11/00
Filed: 2003-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for recovering CaO from plasterboard wastes in order to recycle plasterboard wastes being industrial wastes.  <P>SOLUTION: The method for recovering CaO from plasterboard wastes comprises compounding plasterboard wastes with soda-containing glass being industrial wastes in decomposing the plasterboard wastes into CaO and SO<SB>2</SB>, heat-decomposing the mixture at 800 to 1,200°C, heating the CaO formed by the heat decomposition to 1,200 to 1,280°C, adding 1 to 20% iron oxide powder to the heated CaO to form a CaO-SiO<SB>2</SB>-Fe<SB>2</SB>O<SB>3</SB>crystal, and using the crystal as a raw material for sintering.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004354511-A (JP)
Title: Display element and method of manufacturing the same
Inventor: TAKEDA TOSHIHIKO
IPC: G02F1/1679
Filed: 2003-05-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing display element by which a partition wall is formed without depending on an inkjet method etc. and a dispersion liquid etc. are confined between the partition wall and a substrate.  <P>SOLUTION: The method of manufacturing display element in which a distribution state of charged migrating particles in the dispersion liquid, consisting of at least a dispersion medium and the charged migrating particles confined with a pair of the substrates and the partition wall arranged between the substrates, is reflected in a display state, has: a step to impart affinity to a precursor of the partition wall to a region, on which partition wall formation is scheduled, on the substrates; a step to fill a mixture containing the dispersion liquid and the precursor of the partition wall between the substrates; a step to assemble the precursor of the partition wall on the region on which partition wall formation is scheduled between the substrates and to form a state in which the precursor of the partition wall is interconnected between the substrates; and a step to form the partition wall fixed between the substrates by a solidifying treatment of the precursor of the partition wall interconnected between the substrates.  <P>COPYRIGHT: (C)2005,JPO&NCIPI