baber/WOPTO huggingface dataset:
Patent JP-2001234211-A (JP)
Title: Metal magnetic powder and magnetic recording medium
Inventor: TETSUKAWA HIROKI
IPC: B22F9/22
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To suppers deterioration in magnetic properties and lowering of the quality level of magnetic recording medium. SOLUTION: In a magnetic recording medium 1 provided with a nonmagnetic supporting body 2 and a magnetic recording layer 4 containing metal magnetic powder composed of a central part essentially consisting of Fe and an oxidized film covering the circumferential face of the central part, the metal magnetic powder contains P in the central part and/or the oxidized film.
Patent JP-2001244351-A (JP)
Title: Non-volatile semiconductor storage device and fabrication method therefor
Inventor: UEDA NAOKI
IPC: H01L29/788
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide a non-volatile semiconductor storage device capable of writing and deleting information in high-speed and with low voltage. SOLUTION: This non-volatile semiconductor storage device has a semiconductor substrate of a first conductivity type which has several grooves in one direction on the surface, a first gate insulating film on a projecting part of the substrate between grooves, a floating gate insulating electrode made by conductive material and a second gate insulating film on the floating gate electrode, and a conductive layer made by another conductive material. Near the shoulder, projecting part of the substrate which neighbors one side of the groove has a projection of the substrate and has a second conductivity type impurity diffusing region near the bottom.
Patent JP-2001244370-A (JP)
Title: Insulating substrate with adhesive used for substrate for mounting semiconductor, its manufacturing method, substrate for mounting semiconductor using it and its manufacturing method
Inventor: INOUE FUMIO
IPC: H01L23/12
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide an insulating substrate with an adhesive that is excellent in high density and size reduction and can be used for a small semiconductor package to be prevented against package cracking and excellent in reliability, its manufacturing method, a substrate for mounting a semiconductor using it, and a manufacturing method of its substrate for mounting the semiconductor excellent in efficiency. SOLUTION: The insulating substrate with the adhesive used for the substrate for mounting the semiconductor comprises the insulating substrate with flexibility and the adhesive, and either of the insulating substrate or the adhesive has high moisture permeability.
Patent JP-2001206281-A (JP)
Title: Push boat convoy
Inventor: YAMAGUCHI TAKUMA
IPC: B63B1/32
Filed: 2000-01-26
Abstract: PROBLEM TO BE SOLVED: To eliminate a room for generating an eddy in a recessed part of a lighter without a special device to improve the pushing speed. SOLUTION: This push boat convoy is so constructed that a stern of the lighter is provided with a recessed part surrounded with a vertical wall, in which a bow of a push boat can be inserted, and the push boat is fixedly connected to the lighter in a three-point support form. The ship's bottom 7 of the lighter is gradually raised toward the stern to such a degree that at a portion rather closer to the stern, the lower edge 8 of the recessed part 2 is positioned near the start of a curved part 10 from the vertical hull side 9 of the push boat 3. On the other hand, the ship's bottom of the push boat is projected downward from the lower edge of the recessed part 2 with the curved part 10, and a gap 12 between the lower edge 8 of the recessed part 2 and the hull of the push boat 3 is made narrow enough not to generate an eddy in the gap 12.
Patent JP-2000309288-A (JP)
Title: Stored picture operating device of on-board picture image recording system
Inventor: OHASHI TAMAKI
IPC: G07C5/00
Filed: 2000-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a stored picture operating device of an on-board picture image recording system that records operational conditions of a car that is effective in analyzing an accident when the car encountered the accident. SOLUTION: This device comprises a picture image recording means 4, an engine operation detection means 15, a timer means 16 that operates for a predetermined duration by an engine stop signal (a) from the engine operation detection means 15. The device further comprises an operating means 14 which generates an ON signal by an engine start signal (b) from the engine operation detection means 15, and an OFF signal by an operation stop signal (c) from the timer means 16. By this configuration, the operation of the picture image recording means 4 is controlled by the ON and OFF signals from the operating means 14.
Patent JP-2001253110-A (JP)
Title: Imaging apparatus and developer
Inventor: MUTO YOSHINORI
IPC: H04N1/23
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To ensure good reproducibility for various image patterns without requiring control of exposing energy and to prevent deterioration of image quality due to wear of a photosensitive material without sacrifice of image reproducibility. SOLUTION: When the diameter of exposing spot is 60 μm, such an exposing energy band as the image size falls within an appropriate range for all image patterns does not exist and a different exposing energy must be set for each image pattern in order to confine the image size within an appropriate range for all image patterns. On the other hand, when the diameter of exposing spot is 30 μm or 15 μm, such an exposing energy band as the image size falls within an appropriate range for all image patterns exists and the image size can be confined within an appropriate range for all image patterns without requiring the control of exposing energy. When the diameter of exposing spot is set within one time of the dot pitch, image reproducibility is made appropriate for all image patterns with a constant exposing energy without requiring modulation of exposing energy.
Patent JP-2001252103-A (JP)
Title: Healthy inner sock and sole of footwear for using it
Inventor: SHIOMI SHIGEHIRO
IPC: A43B13/14
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To prevent long-hour push of the same meridian point of a sole in a healthy insole for not pushing the sole or capable of pushing a meridian point of the sole different from the obverse side by turning over the insole after using the inner sock for a specific time. SOLUTION: One or plural projecting parts 3 are arranged in respective positions corresponding to one or plural meridian points of the sole on one surface 2 of the inner sock 1. One or plural projecting parts are arranged in positions arranging no projecting part or corresponding to meridian points different from the meridian points of the sole corresponding to the projecting parts of one surface on the other surface 4, and can be used by being placed on a pair of footwear by turning over the inner sock. A recessed part capable of fitting the whole or a part of the thickness of the inner sock is arranged on an upper surface of this regular sole.
Patent JP-2000281321-A (JP)
Title: Production of dinitrogen oxide
Inventor: GUDDAT Tobias
IPC: C07C39/04
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To obtain dinitrogen oxide at a high yield by reducing nitrogen monoxide in a gas phase using a heterogeneous catalyst. SOLUTION: Dinitrogen oxide is obtained by oxidizing ammonia with an oxygen-containing gas such as air by the Ostwald method, or the like, to obtain nitrogen monoxide and reducing and nitrogen monoxide in the presence of the catalyst at >=40 deg.C under a pressure of 1-20 bar with a reducing agent. Nitrogen monoxide is reduced by using an Rh/Al2O3 catalyst having 1-5 mass % Rh or a Cr (II)/SiO2 catalyst having 1-5 mass % chromium oxide (II) at a reaction temp. of 200-450 deg.C in the case that the reducing agent is carbon monoxide, and by using a Pd/Al2O3 catalyst having 1-5 mass % Pd or a Pt/Al2O3 catalyst having 1-5 mass % Pt at a reaction temp. of 50-350 deg.C in the case that the reducing agent is hydrogen. A lanthanide-iron-zeolite catalyst and an Ru/Al2O3 catalyst are also preferable. The molar ratio of the reducing agent to nitrogen monoxide is preferably <=2.
Patent JP-2001252685-A (JP)
Title: Methane fermentation treatment device
Inventor: INABA HIDEKI
IPC: C02F3/28
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a methane fermentation treatment device which enables the effective use installation space and the reduction of equipment cost. SOLUTION: This methane fermentation treatment device is disposed in a hermetically sealed container 10, is provided with an acid generating chamber 2 which decomposes organic material in organic waste water to lower fatty acid by acid generating bacteria, a reaction chamber 4 which is disposed in the container 10 and further decomposes the lower fatty acid to methane gas and gaseous CO2 by methane bacteria and a partition wall 15 which is disposed in the container 10 and partitions the container to the acid generating chamber 2 and the reaction chamber 4 and is constituted so as to communicate the acid generating chamber 2 with the reaction chamber 4 by means of a scavenging space S.
Patent JP-2001256923-A (JP)
Title: Phase control multi-electrode type ac discharge illumination apparatus
Inventor: MATSUMOTO KAZUNORI
IPC: H05B41/16
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a discharge illumination apparatus having high energy saving effect, high output and high efficiency. SOLUTION: N-pieces of sheet split electrodes 2 are placed at small gaps (a) on an electrode mounting face 1 provided on the bottom of a plane container and closely fixed to each other via sheet insulators 3 superior in electric insulation and heat conductivity. The opposite face of the electrode mounting face 1 is covered with a front glass 4 having an inside coated with a fluorescent material (b). The electrode mounting face 1 has double walls (c) formed for cooling the split electrodes 2 put in close contact with the electrode mounting face 1 with a cooling water (d) poured between the double walls (c). The outside of the double walls (c) is provided with n+1 rod magnets 5 arranged neighboring each other with their polarities reversed, fixed in close contact therewith along the gaps (a).  The n-pieces split electrodes 2 are connected with n-pieces of AC power supplies 10 having phases shifted 1/n cycles and the same amplitude. The n-pieces of AC power supplies 10 are formed by star- connecting low frequency AC power supplies with their frequencies, amplitudes and phases (including wavelengths) controlled by a controller 11, and the whole power supplies have drifting potential kept by an insulating transformer for generating discharge only between the split electrodes 2.
Patent JP-2001262630-A (JP)
Title: Dozer controller of shovel
Inventor: TAJI HIROSHI
IPC: E02F9/22
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a dozer controller of a shovel causing no shortage of driving force without increasing capacity of a pump when special dozing work is carried out even if the pump having low maximum pressure is used for the dozer since a different pump is used for traveling and the dozer. SOLUTION: When special dozing work is carried out, oil of a main pump 11 for an actuator other than a dozer cylinder 23 is combined with oil from a dozer pump 24 to supply the oil to dozer cylinders 22, and a large quantity of flow can be ensured.
Patent JP-2001261608-A (JP)
Title: Method for producing 2-alkyl-2-cyclopentenone
Inventor: ASADA TAKAHIRO
IPC: B01J27/053
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a process for producing a 2-alkyl-2-cyclopentenone in high production efficiency. SOLUTION: The 2-alkyl-2-cyclopentenone is produced by dropping a 2-(1- hydroxyalkyl)-cyclopentanone expressed by general formula (1) (R and R' are each H or a 1-8C alkyl or R and R' together with adjacent carbon atom form a cyclopentane ring or a cyclohexane ring) in a solvent containing an acid catalyst and carrying out the reaction while extracting the produced water and 2-alkyl-2-cyclopentenone expressed by general formula (2) from the system.
Patent JP-2001267776-A (JP)
Title: Electronic apparatus
Inventor: EGAWA MANABU
IPC: H05K7/14
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide an electronic apparatus with a shield structure which provides a high shield performance even at a high frequency band while reinforcing a printed board. SOLUTION: Related to an electronic apparatus where a plurality of electronic apparatus units 2 are detachably mounted in a case on a rack and the like, a shield base 5 is tightly fitted to an end side surface of a printed board 3 constituting the electronic apparatus 2 while the shield base 5 is provided with a plurality of shield fingers 7 which electrically contact the adjoining electronic apparatus unit 2. A number of shield fingers 7 are provided on the shield base 5 so that a shield performance at a high frequency band is improved while the shield base 5 reinforces the printed board 3 as well, so the printed board 3 is prevented from being deflected or broken at attaching/detaching the printed board 3.
Patent JP-2001268978-A (JP)
Title: Motor controller
Inventor: KOBAYASHI MASARU
IPC: H02P29/60
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To obtain a motor controller 11 for controlling the conduction current of a motor 2 by controlling the switching of a power element 7 built in a power converting semiconductor 10 in which controllability is enhanced by detecting the value of a current flowing through the motor 2 with high reliability and high accuracy. SOLUTION: A current sensor 26 having resistive characteristics is employed for detecting the current flowing through a motor 2 and a temperature sensor 25 is built a power converting semiconductor 10 in the proximity of the current sensor 26. Date compensating for variation in the characteristics of the current sensor 26 due to temperature variation is prestored in a storage section 22 and, at the time of control operation, a sensed value from the current sensor 26 is corrected using the compensation data stored in the storage section 22 based on a temperature sensed by the temperature sensor 25 and a current value is calculated.
Patent JP-2001267252-A (JP)
Title: Plasma processing system
Inventor: KANETSUKI RITSUO
IPC: B01J19/08
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a plasma processing system in which uniform plasma processing can be carried out stably by preventing generation of abnormal plasma. SOLUTION: The plasma processing system comprises processing chambers 1, 2 having inner wall face in which processing is performed using plasma, a member 5 for transmitting and radiating microwave into the processing chamber having one wall face and the other wall face located on the opposite side while facing the inner wall face of the processing chamber and disposed to form a space between the other wall face and a part of the inner wall face of the processing chamber, and means for supplying reaction gas 14, 15, 21, 22.  The means for supplying reaction gas comprises a reaction gas supply passage 15 having a space formed between the other wall face of the microwave radiating member and a part of the inner wall face of the processing chamber, and a member 16 for preventing transmission of microwave disposed in a region facing the reaction gas supply passage on the other wall face of the microwave radiating member.
Patent JP-2000308684-A (JP)
Title: Multi-directional operation type catheter, and control handle
Inventor: BUMBALOUGH TIM
IPC: A61M25/01
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To prevent a tension wire anchor from shifting to a tip end side together with a piston by a fixing screw when the piston slides to the forward end side with respect to a handle housing. SOLUTION: This control handle 16 comprises a piston chamber and a housing 64 having a piston 66 slidably fitted in the piston chamber. The piston 66 is movable in the longitudinal direction between the position on its base end side and the position on its tip end side. In addition, a groove in the longitudinal direction having a base end portion 130 and a tip end part 132 is extended along a portion along the longitudinal direction of the piston 66. A tension wire anchor is slidably arranged in the groove in the longitudinal direction. In addition, the tension wire is extended in an inner hole portion of a tip end portion 14 of a catheter through the inner hole portion of the catheter body portion 12 from the control handle 16. The base end portion of the tension wire is fixed to the tension wire anchor.  The fixed screw is fixed to the handle housing 64, and extended inwardly in the radial direction in the groove in the longitudinal direction in the piston.
Patent JP-2001225374-A (JP)
Title: Injection molding method in which temperature of inner wall of mold for plastic injection molding is elevated instantly by generating adiabatic compression immediately before injection
Inventor: HAMADA OSAMU
IPC: B29C45/73
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a process in which in the injection molding of plastic, the temperatures of a resin passage in a mold and the thin surface layer part of the inner wall of a cavity are increased instantly, the solidification of an injected resin is prevented, and the fluidity of the resin is improved. SOLUTION: The temperature of the thin surface layer part of the inner wall of the mold is increased instantly close to the temperature of the resin by the effect of adiabatic compression by compressing air in the mold immediately before injection to improve the fluidity of the resin.
Patent JP-2001264049-A (JP)
Title: Detection mechanism for rotation angle
Inventor: SUGIMORI KAZUOKI
IPC: G01B7/30
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To achieve the setting and detection of an arbitrary position in the stroke of a nut by directly using the rotation of a ball screw on its axis, and specifically, by using its rotating shaft and accessories. SOLUTION: This mechanism is used to detect an rotation angle which is not greater than N turns of the rotating shaft having an N turn stroke and made up of a first gear 3 rotating around the rotary shaft 1 of an object of detection and a second gear 4 meshing therewith to rotate on its axis 2 of rotation. The gear ratio of the gear 3 to the gear 4 is (N±1):N. Marks 5, 6 are provided near the tooth parts of the gears 3, 4, respectively, and a position at which the two marks 5, 6 coincide on a straight line joining the shaft 1 to the axis 2 is taken as the, and as the shaft 1 of the object rotates, the gear 3 is rotated from the start point and accordingly the gear 4 is rotated, then the marks 5, 6 come to re-coincide on the line as the principle.  An observation point 7 for observing the marks 5, 6 re-coinciding the line is provided on the gear 4 on the line connecting the shaft 1 and the axis 2. A reference point 8 is provided near the tooth part of the gear 4, and the mark 6 can be set displaceably at a position displaced from the point 8 by an arbitrary angle of rotation.
Patent JP-2001260623-A (JP)
Title: Dead axle lifting structure of rear-two-axle car having air spring
Inventor: TOYOSHIMA KAZUO
IPC: B60G17/015
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a relatively simple dead-axle lifting structure adaptable to a rear-two-axle car having an air suspension. SOLUTION: The rear two axles comprising a driving axle and a dead axle 21 is supported by a chassis frame 16 via an air spring 24. This lifting structure comprises car height adjusting means 33, 34 for adjusting the car height by supplying compressed air into the air spring 24 and exhausting the compressed air from the air spring 24, a hook 44 of which base end is journaed to the chassis frame 16 and tip is locked to a dead-axle housing 22 having the dead axle 21 with the car height lowered, an actuator 46 for locking the tip of the hook 44 to the dead-axle housing 22 or separating the tip of the hook 44 from the dead-axle housing 22 by rotating the hook 44, and a controller 38 for controlling the actuator 46 by an operation of a manual switch 48.
Patent JP-2000328061-A (JP)
Title: Fluorine-containing benzothiazoles and use of them in liquid crystal mixture
Inventor: WINGEN RAINER
IPC: C09K19/34
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To attain an advantageous effect not only in relation to the ferroelectric anisotropy and/or melting point of a chiral/smectic mixture but also in relation to the switching action even when the amount of addition is small by adding a specified fluorobenzothiazole to a liquid crystal mixture. SOLUTION: A benzothiazole represented by the formula is used as a component of a liquid crystal mixture. In the formula, X1 and X2, which are independently of each other, are each hydrogen or fluorine, provided that they can not be fluorine atoms simultaneously; R1 and R2, which are independent of each other, are each a 1-20C linear or branched alkyl regardless of the presence or absence of an asymmetric carbon atom; A1 and A2, which are independent of each other, are each phenylene-1,4-diyl, phenylene-1,3-diyl, or the like; M1 is -OC(=O)-, -OCH2-, a single bond, or the like, regardless of the direction. The liquid crystal mixture contains 0.01-80 wt.% at least one compound of the formula.
Patent JP-2001272750-A (JP)
Title: Heat developable photosensitive material and heat developed image forming method
Inventor: TAMURA YUTAKA
IPC: G03C1/498
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a heat developable photosensitive material having high sensitivity and low fog and excellent in belt mark resistance in heat development particularly as a heat developable photosensitive material for a photomechanical process of for a computer output microfilm. SOLUTION: The heat developable photosensitive material having a non- photosensitive organic silver salt, a photosensitive silver halide formed independently of the organic silver salt and a binder on the base has a protective layer on the silver halide-containing side. The protective layer contains a polymer latex and a water-soluble polymer in a mass ratio of 80:20 to 24:75 as a binder.
Patent JP-2001274405-A (JP)
Title: Semiconductor device and method of manufacturing the same
Inventor: NAKAMURA OSAMU
IPC: G02F1/136
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide the gettering technology which can increase the throughput by shortening the heat treatment time and thereby improving the gettering efficiency, for gettering in a process of removing impurity elements such as heavy metal elements mixed in semiconductor manufacturing processes, possibly shortening the life of the carrier of silicon to cause a defective gate oxide film and decline in reliability. SOLUTION: The grain boundaries in a semiconductor region in the vicinity of a channel formed region are used in a gettering site and, at the same time, gettering using ion implantation is conducted. Due to this method, a plurality of kinds of impurity elements such as heavy metal elements can be removed, and depletion layers in the channel formed region 407 and PN junctions of a TFT can be efficiently applied getting.
Patent JP-2001269846-A (JP)
Title: Machining method for sulfur-containing plastic lens
Inventor: NAGATOMO SHIGEMI
IPC: B24B13/00
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a machining method for efficiently deodorizing the malodor generated when machining a sulfur-containing plastic lens. SOLUTION: When machining the sulfur-containing plastic lens, the lens is ground and polished while kept in contact with water containing a copper compound.