baber/WOPTO huggingface dataset:
Patent JP-2002308959-A (JP)
Title: Moisture-curable composition
Inventor: AOKI MASAAKI
IPC: C09J143/04
Filed: 2001-04-16
Abstract: PROBLEM TO BE SOLVED: To obtain a composition which is solventless and quick in tack development, has a long applicable time, excels in initial tack strength, and is useful as a contact adhesive. SOLUTION: This moisture-curable composition comprises (A) a polyurethane prepolymer, (B) a copolymer having a reactive silicon group in the molecule whose molecular chain is composed essentially of an alkyl acrylate monomer unit and/or an alkyl methacrylate monomer unit, and (C) an oxyalkylene based polymer having a reactive silicon group in the molecule.
Patent JP-2002306623-A (JP)
Title: Fire extinguisher box
Inventor: NAKAMURA HIROSHI
IPC: A62C13/78
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To fit a door panel of a building with a fire extinguisher box formed by a curved back plate, and a top plate and a bottom plate covering upper and lower openings of the back plate in which oblique sides of four corners of a oblong front frame integrated with the above box and the oblique sides of the corners of the top plate and the bottom plate are butted and welded, and a generated padding is finished by sandblasting. SOLUTION: A claw piece 1b is provided on a vertical edge 1a of the back plate 1 fitted in a square hole 3a of the door panel 3 of the building, the top plate 7 and the bottom plate 8 are welded on the back plate 1, a square hole 2a is cutout in a square plate with a fitting plate part 2c for a sticker left, a front frame member 2 provided with a burring screw hole 2b is formed in the fitting plate part by pressing, an opening and closing door 5 is screwed extending between the top plate and the bottom plate, the claw piece is pressed to the vertical edge 3b of the square hole 3a, and an elastic bent edge 8c of a fitting 8b mounted on the lower surface of the bottom plate is held by a lower edge 3c of the square hole, and stopped in the burring screw hole from the back of the door panel of the building by a screw.  Thus, in press- forming the front frame member, welding, grinding and polishing for the four corners of the front frame member are omitted, and this fire extinguisher box is closely fitted to the door panel of the building.
Patent JP-2002317463-A (JP)
Title: Sound-insulating structure for work machine
Inventor: ISHIDA EIICHI
IPC: E02F9/00
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To improve sound-insulating performance while reducing manufacturing cost. SOLUTION: In a cover 27 covering a prime mover part 7, a hollow part 32 is formed, and a hole 33 to communicate the hollow part 32 with the outside is provided in an inner wall surface 34 of it.
Patent JP-2002319524-A (JP)
Title: Charging/discharging current measuring apparatus for electric double-layer capacitor
Inventor: MORI KAZUYA
IPC: H01G11/10
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To obtain a charging/discharging current measuring apparatus for an electric double-layer capacitor capable of measuring the current to/from an electric double-layer capacitor in real time with a simple circuit constitution and high efficiency. SOLUTION: This charging/discharging current measuring apparatus for an electrical double-layer capacitor comprises a series circuit composed of a second capacitor and an external resistor 3 and connected in parallel with the electric double-layer capacitor 1, and a voltage measuring means. The time constant constituted by the electric double-layer capacitor 1 and the internal resistance of the electric double-layer capacitor 1, and the time constant by the second capacitor 2 and the sum of the internal resistance of the second capacitor 2 and the external resistor 3, are almost the same, and the capacitance of the second capacitor 2 is 1/n times the capacitance of the electrical double-layer capacitor 1, while the sum of the internal resistance of the second capacitor 2 and the resistance of the external resistor 3 is n times the resistance of the electrical double-layer capacitor.  By measuring the voltage across the external resistor and providing a unit that can convert the voltage to the current, the charging/discharging current of the electric double-layer capacitor can be measured.
Patent JP-2002319708-A (JP)
Title: Led chip and led device
Inventor: HASHIMOTO TAKUMA
IPC: H01L33/50
Filed: 2001-04-23
Abstract: PROBLEM TO BE SOLVED: To improve the efficiency of an LED chip by accelerating light emission from the chip by suppressing the multiple reflection of emitted light in the chip. SOLUTION: The LED chip is constituted by successively forming a gallium nitride buffer layer, an n-type semiconductor layer 11, a light emitting layer composed of a multilayered quantum well structure layer, and a p-type semiconductor layer 12 on a translucent sapphire substrate 10 and respectively forming paired electrodes 13 and 14 on the semiconductor layer 12 and on the exposed part of the n-type semiconductor layer 11 exposed by partially etching off the p-type semiconductor layer 12 and light emitting layer. On the surface of the substrate 10 opposite to the surface on which the gallium nitride layer is formed, recessed and projecting sections 10a of about 1 μm in size are formed.
Patent JP-2002356108-A (JP)
Title: Instrument panel for automobile
Inventor: MOCHIDA MASAHIKO
IPC: B60R7/04
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To enhance the support rigidity of a storage shelf for placing articles and the like, formed at the front passenger's seat side upper face of an instrument panel, using existing parts. SOLUTION: An air duct 2 of U-shaped cross section with a flange 3 is disposed and welded to the back face of a vertical wall 2 extending downward from the rear edge 21 of a storage shelf 1, over the whole width of the storage shelf 1.
Patent JP-2002321089-A (JP)
Title: Flux-cored wire for self-shield arc welding
Inventor: MIZUNO MASAO
IPC: B23K35/362
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a flux-cored wire for self-shield arc welding having an excellent welding workability, capable of providing a welding metal with high toughness, and whose manufacturing cost is low. SOLUTION: The flux-cored wire for self-shield arc welding in which flux is filled in a steel-made outer shell contains Al of 1.5-9%, Mg-Fe based composite oxide of 2.0-15%, Mn and/or Ni in total of 0.1-5%, Mg of 0.1-4% (the Mg in the Mg-Fe based-composite oxide is not contained) to the whole mass of the wire.
Patent JP-2002327856-A (JP)
Title: Solenoid valve
Inventor: SUZUKI MASARU
IPC: F16K31/06
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a positively fixing constitution which maintains assembly accuracy in caulking a valve sleeve to a fitting part. SOLUTION: An annular groove 21c is provided in a flange part 21a of the valve sleeve 21 and a fitting part 21d and a deforming part 21e are formed in the axially spaced state. In an open end of a case 11, a fitting part 11a into which a flange part 16a of a solenoid core 16 and the fitting part 21d are to be fit, and a stepped part 11b to abut with the flange part 16a are formed, and a caulking part 11c is further provided at an edge of the fitting part 11a. The caulking part 11c is calked, which causes the deformation of the deforming part 11c due to the pressing force from the caulking part 11c, generating a spring back force. The deformation of the caulking part 11c does not affect to the fitting part 21d in virtue of the annular groove 21c that separates the both.
Patent JP-2002321032-A (JP)
Title: Metal die wear loss estimation apparatus, metal die wear loss estimation method, metal die wear loss estimation program, metal die life estimation apparatus, metal die life estimation method, metal die life estimation program, metal die wear loss detection apparatus and metal die life detection apparatus
Inventor: SUZUKI TOSHIYUKI
IPC: B21J13/02
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To make life estimation and further life detection expressed as a number of strokes possible in terms of wear loss deciding metal die life, enabling a quantitative wear loss calculation formula on a relationship between wear loss and number of strokes according to a wear loss model taking account of conditions characteristic of a forged metal die, enabling estimation and detection of number of strokes to start wear, wear loss per a stroke, total wear loss for total number of strokes and enabling quantitative and quick feed back on metal die designing. SOLUTION: The zero wear threshold number of strokes until which metal die wear caused by stroke is negligible, and wear loss for a stroke after starting wear, are calculated based on the mechanical load which is an attacking factor against the metal die and high temperature strength of the metal die which is a strength deterioration factor for the metal die and thermally deteriorated strength caused by repetitive exposure to the high temperature.
Patent JP-2002326968-A (JP)
Title: Method for producing cyclopentanol by using solid acid comprising zirconium compound as catalyst
Inventor: MIKI HIDEAKI
IPC: C07B61/00
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing cyclopentanol, capable of producing the cyclopentanol in a high yield with high selectivity. SOLUTION: This method for producing the cyclopentanol comprises hydrating cyclopentene by using a solid acid comprising a zirconium compound as a catalyst under such a condition that the cyclopentene is not gasified.
Patent JP-2002325732-A (JP)
Title: Ophthalmologic photographing device
Inventor: MATSUMOTO KAZUHIRO
IPC: A61B3/14
Filed: 2001-05-01
Abstract: PROBLEM TO BE SOLVED: To prevent deterioration of picture due to color shading. SOLUTION: An aspherical field lens 8 in which a radius of curvature of a part close to the periphery is greater then that close to an optical axis, is arranged on a primary image forming plane. By using such an aspherical field lens 8, the image of a photographing diaphragm can be formed at the front side focal position of a lens 10a. Thus, the main light beams of light beams to pass the center of the photographing diaphragm can be made parallel at the back of the lens 10a and even when a magnification is changed by a lens 10b, the occurrence of color shading can be suppressed.
Patent JP-2002326525-A (JP)
Title: Vehicle running controller
Inventor: HAGINO MITSUAKI
IPC: G01C21/00
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To provide a vehicle running controller capable of clearly displaying change of a desired inter-vehicle distance for a driver in changing the desired inter-vehicle distance to an adequate value in response to road information. SOLUTION: This vehicle running controller comprises a desired speed setting means, a desired inter-vehicle distance setting means, and a running controlling means. The vehicle running controller further comprises a road situation receiving means capable of receiving a road situation in the own vehicle traveling direction from a transmitter installed on the road side, a desired inter-vehicle distance correcting means for correcting the desired inter-vehicle distance in response to the road situation from the road situation receiving means, a determining means of an inter-vehicle distance settable range for determining a settable range of the desired inter-vehicle distance setting means when the correction of the desired inter-vehicle distance is required,  and a displaying means of an inter-vehicle distance settable range for displaying the inter-vehicle distance settable range determined by the determining means of the inter-vehicle distance settable range.
Patent JP-2002334701-A (JP)
Title: Lattice for lead-acid battery
Inventor: TSUBOI YUICHI
IPC: H01M4/68
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a lead-acid battery having excellent service life performance. SOLUTION: This lattice for lead-acid batteries is characterized by having a first layer 51 made of a lead alloy, a second layer 52 made of a lead alloy and disposed on one side of the first layer, and a third layer 53 made of lead or a lead alloy and disposed between the first and second layers, the third layer being softer than the first and second layers. For example, a lead-calcium alloy can be mentioned as the first layer, a calcium-rich lead-calcium alloy as the second layer, and pure lead or a lead-tin alloy as the third layer.
Patent JP-2002333537-A (JP)
Title: Optical wave guide circuit and method for manufacturing the same
Inventor: KISHIMOTO TAIICHI
IPC: G02B6/12
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a thin optical wave guide circuit at a low cost and a method for manufacturing the same. SOLUTION: At least part of side surfaces of waveguides 6 formed with a light transmissivity materials is covered with reflective layers 7, this is embedded in insulated substrates 8 and 9, and is made to paths for optical signals. Electrical wiring patterns are arranged in a surface and an inside of the insulated substrate 8 and/or the insulated substrate 9, and the waveguides 6 and the electrical wiring patterns coexist in the insulated substrates 8 and 9. An electric current is made to flow through the reflective layers 7 as part of the electrical wiring patterns, and the entire thickness of optical waveguide circuit can be made thin and the degree of integration can be improved by coexistence of the waveguides and the electrical wiring patterns combined with the use of the reflective layers 7 as the electrical wiring patterns.
Patent JP-2002331257-A (JP)
Title: Separation apparatus for nonferrous metal
Inventor: KISHI KOJI
IPC: C22B7/00
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide separation apparatus being simple in structure, hardly getting out of order, being easy maintenance and repair, and having a highly efficient magnet. SOLUTION: A cover is installed in a close vicinity to a rotor which protects by covering at least the upper part of the rotor, a feeding means is installed at the upper part of the cover which feeds by using the gravity materials to be separated and classified toward the cover, and the cover is not required to rotate and is simple in structure since the materials to be separated and classified is not conveyed by a conveyer belt but is fed by the feeding means installed at the upper part of the cover. Since the cover only covers the rotor, the cover can be easily detached and changed, maintenance and repair are easily carried out and tightly sealing a magnetic-field part can be facilitated by completely covering the rotor and its rotating means. Iron powder stuck to the cover can be easily removed by means of dusting things and a removing sheet.
Patent JP-2002333365-A (JP)
Title: Apparatus for calculating vehicle mass
Inventor: HAYAKAWA KISABURO
IPC: G01G19/03
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To more correctly calculate a vehicle mass by removing high frequency noises, noises based on vibration of a rotary shaft of a driving system and noises based on road slopes when the vehicle mass is to be calculated from a driving force of the vehicle by an engine, a running resistance and an acceleration of the vehicle. SOLUTION: High frequency noises based on the measurement by a velocity sensor 34 or the like and inherent in a net driving force F calculated by a net driving force-calculating part 26 and the acceleration α calculated by an acceleration-calculating part 36 are removed by low pass filters 28 and 38. Vibration noises based on the natural frequency of the rotary shaft of the driving system are removed by notch filters 30 and 40. Low frequency component noises by a change of the road slopes are removed by high pass filters 32 and 42. Accordingly, the vehicle mass can be more correctly calculated on the basis of the net driving force and the acceleration with the noises removed by each of the filters.
Patent JP-2002344250-A (JP)
Title: Mos/fet power amplification circuit for audio
Inventor: KONDO HIKARI
IPC: H03F1/52
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To provide an FET amplification circuit for preventing breakdown of an element due to overcurrent. SOLUTION: The FET amplification circuit amplifies the rectangular wave input of positive and negative voltages where an audio signal is modulated, and is composed of first input circuits Q1 and Q3, that are connected between a positive DC voltage power supply and the ground, supplies input and a delay input where the input is passed through a first delay circuit, and outputs a first rectangular signal having a common positive voltage signal period, second input circuits Q2 and Q4 that are connected between the negative DC voltage power supply and the ground, supplies the input and a delay input where the input is passed through a second delay circuit, and outputs a second rectangular wave signal having a common negative voltage signal period.  Complimentary FET circuits X1 and X2 that comprise one FET where the first rectangular wave signal is supplied and the other where the second rectangular wave signal is supplied, and are connected between the positive and negative DC voltage power supplies.
Patent JP-2002343386-A (JP)
Title: Fuel cell system
Inventor: NAKAMURA AKINARI
IPC: H01M8/10
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell system enabled to realize a more stable and safer operation when operating, and enabled to realize a safer inert gas purge when stopping the operation. SOLUTION: A residual fuel gas flow path 25 and a combustion gas flow path 26 supplying respective gases to a combustion device 24 burning residual fuel gas exhausted from a fuel cell 21 and fuel gas supplied to outside, are installed. An electromagnetic valve 28, passing and blocking the supply of combustion gas by opening and closing the combustion gas flow path, a proportion valve 29 adjusting the flow volume of the residual combustion gas, and a check valve 30 preventing the back flow of the residual fuel gas, are mounted to the combustion gas flow path 26 from the upstream in this sequence.
Patent JP-2002268095-A (JP)
Title: Liquid crystal display device
Inventor: CHIN KUNIHEI
IPC: C09K19/20
Filed: 2001-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a high-definition and low-price moving picture display device by increasing the response speed of the liquid crystal display panel of a TN(twisted nematic) mode. SOLUTION: In the liquid crystal display device provided with the display panel of the TN mode in which nematic liquid crystal is sealed between substrates, a light source emitting a red light, a green light and a blue light and driving circuits which control respectively the light source and the display panel, the ratio of the gap (d) between the substrates to the spontaneous spiral pitch P0 of the liquid crystal is within 0.3 to 0.45.
Patent JP-2002343005-A (JP)
Title: Recording and playback device
Inventor: MAEHARA MASANORI
IPC: G11B17/056
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a recording and playback device that is equipped with a tray which can indicate the position of a disk placement and that detects the position of the disk placement. SOLUTION: The recording and playback device equipped with a tray 2 for placing a disk has light emitting diodes 11a and 11b on the surface where the disk is placed, and is further provided with a position detection part 20 which detects the position of the disk placement on the basis of the detection result of a photodetector 12 which detects the emission of the light emitting diodes 11a and 11b.
Patent JP-2002344021-A (JP)
Title: Light-emitting device
Inventor: YAMADA MOTOKAZU
IPC: C09K11/80
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To obtain a light-emitting device that is high in emission luminance, even on a relatively long wavelength side, can obtain high luminance over a relatively wide range of wavelengths, and can emit light of high color rendering property. SOLUTION: This light emitting device has a light-emitting element, having a light-emitting layer composed of a nitride-based compound semiconductor, and a phosphor which absorbs light emitted from the light-emitting element and emits fluorescence, having a wavelength which is different from that the absorbed light; and the phosphor contains an alumina phosphor, containing at least either chromium or titanium, and an yttrium-aluminum-garnet-based phosphor containing cerium.
Patent JP-2002341358-A (JP)
Title: Manufacturing method for liquid crystal display panel
Inventor: OGINO YUJI
IPC: G02F1/1341
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a liquid crystal display panel which can improve display quality by preventing a liquid crystal panel display part from having display unevenness. SOLUTION: By the manufacturing method for the liquid crystal display panel constituted by dripping and charging liquid crystal between the internal surfaces of a couple of glass substrates having their periphery surrounded with a seal material, a first substrate 1 where a transparent conductive film 3, an inorganic insulating film 5, and an organic alignment layers 7 are formed in order and a second glass substrate 2 which has an organic alignment layer 8 formed directly on a transparent conductive film 4 are prepared and after the liquid crystal 11 is dripped on the second glass substrate 2, the second glass substrate 2 and first glass substrate 1 are laminated together.
Patent JP-2002351468-A (JP)
Title: Electronic musical instrument
Inventor: SENOO TATSUYA
IPC: G10H1/18
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To increase the number of timbres to be simultaneously produce according to the manipulated variable of a pedal manipulating element. SOLUTION: This electronic musical instrument has the pedal manipulating element which can be manipulated within a prescribed range of manipulation variable, an instructing means which instructs for the formation and formation stop of the musical tones, a musical tone forming means which forms the musical tones according to the instructing means described above and a control means which controls the sound volume of the musical tones formed by the musical tone forming means according to the manipulated variable of the pedal manipulating element/and controls the musical tone forming means so as to form the musical tone of the first timbre according to the instruction of the instructing means when the manipulated variable of the pedal manipulating element is below the prescribed value and controls the musical tone forming means so as to form the musical tone of the second timbre  different from the first timbre together with the musical tone of the first timbre according to the instruction of the instructing means when the manipulated variable of the pedal manipulating element changes from the prescribed value or below to the prescribed value or above.
Patent JP-2002350525-A (JP)
Title: Resonance frequency control mechanism of loop gap resonator
Inventor: TOKUNO TAMIO
IPC: G01R33/32
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a resonance frequency control mechanism of a loop gap resonator which controls the resonance frequency in a wider frequency range with improving the detection sensitivity of the loop gap resonance used in an electron spin resonance(ESR) apparatus. SOLUTION: The control mechanism comprises at least dielectric layers on both side of a conductor plate grounded by itself and the conductor plate is inserted in the gap of a loop gap resonator and movable in the gap to adjust the resonance frequency.