baber/WOPTO huggingface dataset:
Patent JP-2002276682-A (JP)
Title: Power transmission joint and electric power steering device
Inventor: ARAI YAMATO
IPC: B62D5/04
Filed: 2001-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a power transmission structure having superior quietness and strength in, for example, a column type electric power steering device. SOLUTION: A power transmission joint A is an Oldham's coupling interposed between a motor shaft 16 and a worm shaft 18 and transmitting a torque, and provided with a body 36 and an elastic member 47. The body 36 is formed by injection molding polyamide resin, for example, PA 612, etc. Rubber formed by blending, for example, natural rubber NR with EPM (ethylene propylene copolymer) is used as the elastic member 47 and connected to the body 36 by chemical bond by a radical derived from peroxide vulcanizing agent without any adhesive. The body 36 secures sufficient strength and the elastic member 47 prevents the hammering.
Patent JP-2002279793-A (JP)
Title: Semiconductor memory
Inventor: CHO SHIZUO
IPC: G11C29/00
Filed: 2001-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor memory in which a time required for activation of address buffer output to selection of a word line. SOLUTION: This device is a semiconductor memory consisting of a plurality of memory cells arranged along a row and a column, word lines connected to all rows are pre-charged (standby state) based on specification of a row address externally specified, that is, activation of address buffer output, simultaneously, redundancy discrimination operation and address decoding operation are started in parallel. In accordance with the redundancy discrimination result, a word line corresponding to a redundant row or a word line selected by address decoding operation is discharged selectively (activation state).
Patent JP-2002282378-A (JP)
Title: Sprinkler head with synthetic resin tube
Inventor: KOBAYASHI KAZUTO
IPC: A62C35/68
Filed: 2001-03-22
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive sprinkler head with a synthetic resin tube which can be assembled using the minimum number of joints and requires fewer process steps. SOLUTION: Into one end of the tube made of polyethylene, polypropylene, polybutene or polyvinyl chloride resin, the tube joint of the sprinkler head is inserted, and at least more than one bendable bellows parts are provided at intervals at a midway of the tube.
Patent JP-2002285212-A (JP)
Title: Stave cooler
Inventor: TAKATANI KOICHI
IPC: C21B7/10
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a stave cooler having cooling capacity higher than that of the conventional one, and fittable at a low cost. SOLUTION: The stave cooler installed on an inner side of a shell of a blast furnace to cool a furnace wall comprises two split structures with a body thereof fixed to joining surface of the in side part of the furnace and the shell side part. A plurality of vertical grooves are provided for forming a plurality of cooling water passages on the joining surface of the in side of the furnace part. Grooves in the right-and-left direction which are connected to each other on the outlet side of each cooling water passage for forming an integrated water passage for collecting cooling water and grooves in the right-and-left direction which are connected to each other on the inlet side of each cooling water passage for forming a distribution water passage to distribute and feed cooling water are respectively formed on upper and lower parts of the joining surface of the shell side part.  A water discharge pipe connected to the integrated water passage for discharging cooling water and a water feed pipe connected to the distribution water passage for feeding cooling water are respectively arranged on the upper and lower parts of the shell side surface of the shell side part.
Patent JP-2002285702-A (JP)
Title: Automation operation system of green-cut machine
Inventor: MIYOSHI TETSUYA
IPC: E04G21/02
Filed: 2001-03-26
Abstract: PROBLEM TO BE SOLVED: To conduct safer green-cut works without deteriorating efficiency. SOLUTION: The automation operation system 1 of a green-cut machine is composed approximately of a control section 4 being loaded on the green-cut machine 2 and controlling a traveling mechanism 3 for the green-cut machine, a GPS measuring device 5 loaded on the green-cut machine 2, a movement-side data transmitter-receiver 6 connected to the GPS measuring device and the control section 4 and a control-side data transmitter-receiver 7 and a control-side computer 8 installed while being separated from the green-cut machine 2.
Patent JP-2002283578-A (JP)
Title: Ink-jet printing head and production method therefor
Inventor: KUMAGAI MINORU
IPC: B41J2/16
Filed: 2001-03-26
Abstract: PROBLEM TO BE SOLVED: To provide an ink-jet printing head with warpage of a glass substrate in a heat discharging layer reduced as much as possible by straightening, and a production method therefor. SOLUTION: A printing head 20 comprises a heat discharging layer 22 made of an optional metal material attached on the upper surface of a glass substrate 21, an insulating layer 24 attached thereon, a heat generating resistor film 25, a heat generating resistor 25a, an individual wiring electrode 26, a common electrode 27, a partition wall 28, and an orifice plate 32 with a large number of orifices formed 33, laminated successively thereon. Moreover, an ink supply groove 29 is formed in the glass substrate 21 to be exposed in the central notch part of the common electrode 27, and ink supply holes 31 are formed, communicating a plurality of points in the bottom part of the ink supply groove 29 to the bottom surface of the glass substrate 21. A straightening layer 23 is attached on the lower surface of the glass substrate 21.  The straightening layer 23 is for straightening warpage of the glass substrate 21 by offsetting the stress by the thermal expansion of the heat radiating layer 22.
Patent JP-2002284080-A (JP)
Title: Device for mounting engine of motorcycle
Inventor: NAKAI SHIN
IPC: B62K11/04
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To improve a structure for mounting an engine of a motorcycle. SOLUTION: The motorcycle comprises a main frame 2 extending backward from an upper part of a head tube 1, a pair of down tubes 3 extending to a back lower direction from a lower part of the head tube 1, a pair of approximately parallel lower frames 4 for connecting a lower part of the down tube 3 to a lower part of a drooping part 2a of a back part of the main frame 2, and an engine 6 arranged at a back of the down tube 3.  The device for mounting an engine of a motorcycle is characterized by that mounting bosses 11b, 11c are provided respectively on a front part and a front lower part of the engine 6 along a symmetrical surface of the motorcycle, the front part of the engine 6 and the lower part of the down tube 3 are linked each other through a hanger bracket 13 of a U shape in cross section which surrounds the mounting bosses 11b, 11c from a front, a collar for inserting bolts 14a, 14b, 14c for linking the engine 6 and the down tube 3 is provided on the hanger bracket 13, and a cover member 17 for covering an upper part of the hanger bracket 13 is integrally provided on the hanger bracket 13.
Patent JP-2002292535-A (JP)
Title: Spindle head of machine tool
Inventor: YASUI MOTOHIRO
IPC: B23Q1/70
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a machine tool spindle head which can eliminate a load and heat generation in a Z-axis motor and can speed up movement in the Z- direction. SOLUTION: When a work piece is machined, a rotor 11 is rotated by supplying an electric current to a built-in motor coil 26 and a second rotor 11b is vertically moved by supplying a driving electric current to a linear motor 14 from a driving circuit (not shown). The rotor 11 is moved in the vertical direction by the vertical movement of the second rotor 11b and a work piece is machined by a tool held at a lower end portion of the rotor 11.
Patent JP-2002295034-A (JP)
Title: Habitable space constituting facility
Inventor: KISHIMOTO AKIHIRO
IPC: E04H1/06
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To extremely enhance the efficiency of a knowledge integrated type organization. SOLUTION: When a plurality of areas are formed through a partition panel 1, corresponding corners between areas having an adjacent or diagonal relation are collected to one position to form a common doorway 3, so that direct traffic between the areas can be realized through the doorway 3.
Patent JP-2002291804-A (JP)
Title: Absorbable article
Inventor: MIZUTANI SATOSHI
IPC: A61F13/49
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a sanitary napkin having a thin absorption layer has an anxiety about side leakage, and when the layer is increased in a width, the large absorption layer imparts resistance feeling to its wearer. SOLUTION: An absorbable article comprises a relatively thin liquid absorption layer 12 having a thickness T of 0.5 to 3 mm and provided on a rear surface layer 11. The layer 12 is bent so that its side part erases to form a stereoscopic wall 20. Accordingly, even when the layer 12 having a wide area is used, its apparent width size W1 can be shortened, its liquid absorption volume can be increased, and further, a sense of incongruity is not liable to be imparted to a wearer's skin. The wall 20 achieves a preventing effect on the side leakage of the liquid, and the wall 20 becomes a soft contact with the wearer's skin.
Patent JP-2002296112-A (JP)
Title: Four-zone quenching type ellipsometry method using an imperfect phase compensator
Inventor: YAMAGUCHI TOMUO
IPC: G01J4/04
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To improve measurement accuracy of four-zone quenching type ellipsometry method using an imperfect phase compensator. SOLUTION: The four-zone quenching type ellipsometry method uses formula (1) and formula (2) wherein Ψ and Δ are quantities measured in the ellipsometry method, and pJ and aJ (J=1 to 4) are measured values of a polarizer and an analyzer, respectively, in the four zones.
Patent JP-2002293203-A (JP)
Title: Armor structure for wire harness
Inventor: MIYANISHI TOSHIYUKI
IPC: H01B7/00
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To simplify an armor structure or a wire harness adapted to harness arrangement for a curved body panel. SOLUTION: An electric wire group W of the wire harness W/H arranged along a body panel P of a vehicle is passed through a flexible tube 11. A straight arrangement area S of the wire harness W/H is covered with a double tube formed by covering a hard tube 12 over the outer circumference of the flexible tube 11 to be armored. Bent position R of the wire harness W/H can be formed at the flexible tube 11 to maintain flexibility. Base plate type or band type clamps 13 are attached on the necessary position of these tubes 11, 12 to be locked on an attachment hole Pa of the body panel P.
Patent JP-2002299759-A (JP)
Title: Semiconductor laser
Inventor: IWAI NORIHIRO
IPC: H01S5/12
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To obtain a semiconductor laser having a stable and high output suitable for a light source for Raman amplification. SOLUTION: The semiconductor laser comprises an n-type InP clad layer 2, an SCH-MQW active layer 3, a p-type InP clad layer 4 and a p-type GaInAsP optical waveguide layer 5, formed into a tapered shape on an n-type InP substrate 1. Thus, the laser device outputs a laser beam containing two or more oscillation longitudinal modes, by setting in combination the grating pitch of the tapered shape and the diffraction grating and the oscillation parameters of the optical waveguide containing the active layer and the resonator length.
Patent JP-2002310182-A (JP)
Title: Elastic coupling device
Inventor: KAMISAKA YOTA
IPC: B62D1/20
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To set locking prevention without using a self-locking nut of a bolt in an elastic coupling device. SOLUTION: Holes 10 are provided respectively in the neighborhood of flanges 8 and 9 whose central parts are connected crossing each of end faces of an input axis 3 and an output axis 4, a screw part 30 is cut at either one or both of the flanges, a stepped part 31 surrounding the hole is formed on the flange, and the outside of the stepped part is pressurized so as to calk a bolt 13 after a screw end 14 of the bolt 13 is screwed into the hole.
Patent JP-2002309681-A (JP)
Title: Expansion joint
Inventor: AIMOTO NOBUO
IPC: E04B1/62
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To provide an expansion joint capable of being installed into the opening of an exterior wall by increasing allowable displacement to mounting width up to a value close to 50%. SOLUTION: A pair of side covers (4L and 4R) are mounted to each exterior wall (3L and 3R) rotatably before and behind through a hinge (5) so that front ends (4a and 4b) are abutted mutually towards the center of two buildings (2L and 2R) from the left-right opposed exterior walls (3L and 3R) of the two buildings (2L and 2R) adjacently built at a regular interval to the left and the right while a center cover (4C) slid left and right to each side cover (4L and 4R) is secured, and a clearance (12) in which the other side cover (4C) is inserted when the buildings (2L and 2R) are brought near to the regular interval or less is formed between one side cover (4L) and the center cover (4C).
Patent JP-2001355423-A (JP)
Title: Injector
Inventor: HILGER REINHARD
IPC: F01M11/04
Filed: 2001-04-12
Abstract: PROBLEM TO BE SOLVED: To surely operate a safety device without fail in closing a filler cap. SOLUTION: This injector has an injection port 23 and the filler cap 1, the filler cap has an engagement part 4, the engagement part 4 and the injection port 23 are provided with complementary engagement elements 7, 8, 25 and 26 for forming, for example, a screwed joint or a bayonet joint, and these engagement elements are movable from a non-engagement initial end position to a terminal position through an engagement stroke, or on the contrary from the terminal position to the non-engagement initial end position by the movement of the filler cap 1 to the injection port 23. The safety devices 13 and 14 for preventing the filler cap 1 from being automatically removed, are mounted to increase the moving resistance within a specific moving range of the filler cap 1.  The safety devices 13 and 14 are mounted to be effectively operated at positions separated from the terminal position by a predetermined distance.
Patent JP-2002308372-A (JP)
Title: Packaging device for rice cooker
Inventor: SHINABE AKIHIRO
IPC: B65D77/26
Filed: 2001-04-12
Abstract: PROBLEM TO BE SOLVED: To improve recyclability and to achieve environment-friendly packaging by making all of packaging materials out of corrugated board. SOLUTION: The packaging device has a bottom cushioning material 3 made up of a single sheet of corrugated board for supporting the lower part of a rice cooker at the inside of an outer case 2, and a top cushioning material 4 made up of a single sheet of corrugated board for supporting the upper part of the rice cooker. A flap at the inner circumference of the housing part of the bottom cushioning material 3 is bent downward after being kept at a specified horizontal direction, and made available for being inserted into a notched part for forming the bottom while the inner and outer flaps of the top cushioning material 4 are made to serve as supports.
Patent JP-2002311002-A (JP)
Title: Vehicle for inspection
Inventor: ICHIKAWA SADAMU
IPC: G01N29/26
Filed: 2001-04-13
Abstract: PROBLEM TO BE SOLVED: To solve problems in conventional inspection methods for checking cracking or cavities in a concrete skelton in a tunnel in which a man judges them by hit sound by means of a hammer to cause pain during long-time work, and which is inefficient, requires scaffolds, and generates danger of peeling. SOLUTION: This vehicle is provided with devices for searching parts with cracking or cavities in the skelton by hammer hit sound. An inspection device comprising a hammer part which makes reciprocating motion, a hit sound detecting part to detect hit sound generated when the hammer part hits the skelton, a hit sound recording part to record hit sound data detected by the hit sound detecting part, and a spacer part to get in contact with the skelton for keeping distance between the hammer part and the skelton at the optimum is mounted on a vehicle body through a rotary member. The spacer part gets in contact with the skelton without depending on the distance to the skelton while reciprocating and rotating at a predetermined rotation speed.
Patent JP-2001354691-A (JP)
Title: Method for producing purified n-acetyllactosamine
Inventor: SUZUKI KIYOSHI
IPC: C07H5/06
Filed: 2001-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for purifying N-acetyllactosamine from a solution containing N-acetyllactosamine and N-acetylallolactosamine simply and inexpensively and capable of being used in an industrial scale. SOLUTION: This method for purifying N-acetyllactosamine from a mixture containing N-acetyllactosamine and N-acetylallolactosamine is characterized by treating the above mixture with a β-galactosidase capable of cleaving a β-1, 6-glicoside bond for removing the N-acetylallolactosamine by decomposing it.
Patent JP-2002311321-A (JP)
Title: Photographic lens device
Inventor: MUTO YOSHINORI
IPC: G02B7/10
Filed: 2001-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a photographic lens device capable of downsizing a frame member while suppressing optical performance deterioration which can occur as the result of moving of a moving lens frame in the photographic lens device provided with the lens frame. SOLUTION: The photographic lens device 10 provided with the moving lens frame is provided with a moving lens frame 42 integrally provided with a plurality of lenses of different diameters, a shaft 49 for guiding moving of the lens frame or another moving lens frame 44 and a shaft fixing part 43a to which the shaft is fixed. The shaft fixing part is provided in the neighborhood of the outer peripheral edge part of a small diameter lens 101c among the plurality of lenses which are arranged so that at least a part of them is overlapped within a projection surface in the case of looking from the front surface side of a large diameter lens 101a among the plurality of lenses held by the moving lens frame and which are held by the moving lens frame.
Patent JP-2002314704-A (JP)
Title: Data center system and character entry method
Inventor: OMOTO KOUJIRO
IPC: G06F13/00
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a data center system and a character entry method by which a user of a portable device can enter characters readily. SOLUTION: A scanner 111 of the portable device 1 reads image of a document. Then the portable device 1 transmits image data obtained from the scanner 111 to a data center 2. The data center 2 receives the image data and converts the image data into text data. Then the data center 2 conducts various kinds of information processing to the converted text data and transmits the processing result or the like to the portable device 1. The mobile unit 1 displays the processing result or the like.
Patent JP-2002312154-A (JP)
Title: Screen-recording/reproducing device
Inventor: HIRANO JUICHI
IPC: G06F3/14
Filed: 2001-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a screen-recording/reproducing device, capable of recording and reproducing information excluding extra information therefrom, without having to perform troublesome operations for resetting the area of recording, even if the position or size of a window is changed. SOLUTION: This device is characterized by having a means for recording screen information along with existing window information, when the screen information is recorded, a means for automatically changing record domains in response to changes in the window information, and a means for extracting a sequence of domains displayed by application as screen information from the recorded window information and screen information to create screen information to be reproduced.
Patent JP-2002311583-A (JP)
Title: Photosensitive paste and method for producing display member using the same
Inventor: MARUO KATSUYA
IPC: G03F7/038
Filed: 2001-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a photosensitive paste capable of forming a high precision and high strength pattern having a sufficient aspect ratio without cracking or chipping a pattern in a baking step after pattern formation or producing baking residue of the photosensitive paste. SOLUTION: The photosensitive paste comprises inorganic fine particles (A), a photosensitive polymer (B) which is a reaction product of an acid group- containing acrylic resin (a) obtained by polymerizing an ethylenically unsaturated acid and an alicyclic epoxy-containing unsaturated compound (b) and a binder resin (C) selected from polyethers or polyesters. In the method for producing a display member, the photosensitive paste is applied on a substrate, exposed and developed to form a pattern and this pattern is baked.
Patent JP-2002322822-A (JP)
Title: Two-way recirculation filtering device for pool
Inventor: KO TETSUITSU
IPC: B01D35/027
Filed: 2001-04-19
Abstract: PROBLEM TO BE SOLVED: To provide a two-way recirculation filtering device allowing the simultaneous use of cold water and hot water in a pool. SOLUTION: A partitioning 20 is set to partition the main body 1 of the pool to two spaces, and one draining groove 122, 142 and a plurality of injection ports 124, 144 are provided in each of the two spaces. The two-way recirculation filtering device 3 comprising two sets of filters 30 and 40 and one boiler 50 has the effect of filtering and sterilizing the water of the pool. Further, a transport pipe device 4 is set to connect the draining grooves 122 and 142 and injection ports 124 and 144 of the pool to the filtering device 3, whereby the waters in the two spaces are sent to the filtering device 3 through the transport pipe device 4 for treatment after discharged from the draining grooves 122 and 142, thereafter sent again to the injection ports 124 and 144 through the transport pipe device 4, and returned to the two spaces.
Patent JP-2002319589-A (JP)
Title: Semiconductor device and power amplifier comprising it
Inventor: MOCHIZUKI KAZUHIRO
IPC: H03F1/30
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To realize a highly reliable power amplifier operable or a power supply voltage not higher than 2V with high power conversion efficiency at a low cost. SOLUTION: The semiconductor device comprises a plurality of heterojunction bipolar transistors each having a base layer of GaAsSb or InGaAs, a GaAs substrate, and a buffer layer interposed between the base layer and the substrate wherein the substrate and the buffer layer directly under the intrinsic region of the plurality of heterojunction bipolar transistors are eliminated partially or entirely. A power amplifier having high power conversion efficiency can thereby be realized.
Patent JP-2001351248-A (JP)
Title: Optical information reproducing device
Inventor: AKAHIRA NOBUO
IPC: G11B7/005
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide an optical information recorder, capable of both recording and reproducing or either one with respect to laser beams of plural different wavelengths, especially attaining upward compatibility for overwrite recording of phase change media for long wavelengths using a short wavelength recording/ reproducing drive. SOLUTION: This device is provided with a means 31 for discriminating whether a signal recorded on the media has been recorded by the long wavelength low NA or by the short wavelength high NA, a laser beam source, a lens, and a means 13 for restricting the numerical aperture of the lens. When overwrite is performed to the signal recorded by the long wavelength low NA, the recording is carried out under conditions such that the ratio becomes an equivalent wavelength/NA ratio, by restricting the aperture of the lens.