baber/WOPTO huggingface dataset:
Patent JP-2003000653-A (JP)
Title: Electromotive wheelchair
Inventor: MATSUI TOSHIRO
IPC: A61G5/04
Filed: 2001-06-26
Abstract: PROBLEM TO BE SOLVED: To provide an electromotive wheelchair which reduces the burden of the handicapped person and a care-giver by enabling the handicapped person to make mutual transfer between the wheelchair and other objects without assistance, and minimizing a change of a posture of the handicapped person. SOLUTION: A carriage 1 including a motor-driven wheel 7 having at least one driving mechanism 17 is provided with a seat 2 and at least a backrest 4 or an armrest 3 installed on an upper surface of the carriage 1. The backrest 4 or the armrest 3 is provided with a vertical moving means capable of moving upward and downward to the seat 2, and in a lowering position by this vertical moving means, the upper face of the armrest 3 or the backrest 4 is almost flat with or lower than the seat 2, realizing a barrier-free structure.
Patent JP-2003003976-A (JP)
Title: Screw compressor
Inventor: TSUBOI NOBORU
IPC: F04C18/16
Filed: 2001-06-26
Abstract: PROBLEM TO BE SOLVED: To provide a screw compressor which can reduce starting torque by a simple structure. SOLUTION: This screw compressor 1 is provided with a piston valve 31 comprising a columnar space part 32 formed in a part of a casing 12 opposed to a delivery side end face of a screw rotor 13 to be opened to a tooth space 35 of the screw rotor 13 not connected to a suction port 17, a delivery port 19 and a feedback path 34 connected to the suction port 17 to make the tooth space 35 communicate with the feedback path 34 and a piston 33 insertion fitted capable of sliding into the columnar space part 32 to advance toward the delivery side end face to make the tooth space 35 and the feedback path 34 in a non-communication condition in the other hand to make both the tooth space and the feedback path into a communication condition by retreating in the reverse direction,  the screw compressor is provided with a pressure switching flow path 36 making a back surface side space part 32A of the piston 33 communicate with the suction port 17 at pressure lower than the tooth space 35 at starting time and making the back surface side space part 32A communicate with the delivery port 19 at a pressure higher than the tooth space 35 after completion of starting.
Patent JP-2003004716-A (JP)
Title: Ammoniacal nitrogen measuring system
Inventor: YOTSUMOTO HIROSHI
IPC: G01N31/00
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To perform the operational processing of the concentration of ammoniacal nitrogen by detecting accurate base line voltage and peak voltage. SOLUTION: A flow channel changeover three-way valve 23 capable of selectively injecting a sample solution and neutral water is used. When the pH of the sample solution becomes high, at first, neutral water is allowed to flow down through the three-way valve 23 to drop detection voltage to base line voltage and the base line voltage is recorded by a control unit 22. Thereafter, a reagent solution is injected by a reagent solution injection part 24 and the peak voltage in detection voltage is recorded by the control unit 22. The operational processing of the concentration of ammoniacal nitrogen is performed using the base line voltage and the peak voltage.
Patent JP-2002128941-A (JP)
Title: Extrusion-expanded styrene board
Inventor: IKEMATSU TAKESHI
IPC: E04B1/80
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To provide an extrusion-expanded styrene board excellent in resin performances such as rigidity, strength and the like and remarkably decreased in volatilization of organic compounds. SOLUTION: The extrusion expanded styrene board is obtained by extrusion expansion molding of a composition comprising 100 pts.wt. of a styrenic polymer (a), 0.1-5.0 pts.wt. of a nucleating agent (b) and 0-3.0 pts.wt. of a liquid paraffin (c), where the styrenic polymer (a) is a polymer mainly composed of a styrene bond unit obtained by an anion polymerization method using an organic lithium initiator, has a weight-average molecular weight ranging from 50,000 to 1,000,000 and contains less than 1,000 ppm of a styrenic low-molecular weight component having a molecular weight within the range of 140-400 (provided that the styrenic low-molecular weight component comprises a styrene oligomer component and a non-styrene oligomer component) containing less than 500 ppm of the non-styrene oligomer component.
Patent JP-2003012860-A (JP)
Title: Rubber composition for tire
Inventor: ODA TAKUMI
IPC: C08L7/00
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition improved in resistances to cutting and chipping without deteriorating abrasion resistance and workability. SOLUTION: The rubber composition for a tire is obtained by formulating 45-60 pts.wt. carbon black, 2-10 pts.wt. silica and 2-10 pts.wt. modified liquid butadiene rubber having a hydroxyl or/and carboxyl group, based on 100 pts.wt. rubber component consisting of 35-90 pts.wt. natural rubber or/and isoprene rubber, and 65-10 pts.wt. butadiene rubber having a weight average molecular weight of 500,000-700,000, cis-1,4-bond content of >=96%, preferably, that of >=98%, and vinyl bond content of <=1%.
Patent JP-2003016817-A (JP)
Title: Cover for illumination
Inventor: YAMAGUCHI KINICHIRO
IPC: F21Y101/00
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To make illumination cover attractive, and to cope with any kind of illumination and installation of any positional relation thereof. SOLUTION: A translucent cover body 1 comprises a light-diffusing part 2 of a proper height and a proper width, and opposed tip parts 3 extended to both side ends of the light diffusion part 2, and attachment parts 4 are formed plurality in both the tip parts 3 with proper spacing, along the extending directions of the tip parts.
Patent JP-2003015113-A (JP)
Title: Substrate for display device
Inventor: TATSUTA SUMITAKA
IPC: G02B1/14
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To obtain a substrate for a display device easily lightened in weight and thinned, strong against impact, excellent in flatness and adhesion to an ITO electrode, easily manufactured, excellent in gas barrier properties under high humidity and exhibiting high performance over a wide range. SOLUTION: The substrate for the display device has phase difference plate having >=70% average light transmittance in the 400-700 nm wavelength region and >=100 deg.C glass transition temperature and satisfying the formula Re (450) < Re (550) < Re (650), when the retardation values at wavelengths of 450 nm, 550 nm and 650 nm are defined as Re (450), Re (550) and Re (650), respectively, and a gas barrier layer of mono-or multicomponent metal oxide glass formed by a sol-gel method.
Patent JP-2003010542-A (JP)
Title: Game device, portrait processing method, and program
Inventor: FURUYA MANABU
IPC: A63F13/428
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To properly recognize a position even in a case where a game player's prescribed part quickly moves. SOLUTION: The player is photographed with a camera unit, from the image, the position of the player's head is recognized, and on the basis of the result in the recognition, a game is proceeded with. In principle, basic positions are selected from the finite difference of the latest and preceding player images within the range of selection corresponding to the previous recognized position (S207), and exceptionally by changing the range of selection, basic positions are reselected (S210) from the finite difference.
Patent JP-2003010348-A (JP)
Title: Network system for collecting disaster information or the like in underground or in building structure
Inventor: SUGIYAMA AKINARI
IPC: G06Q50/26
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To obtain a network system for collecting disaster information, etc., in underground or building structure, which is capable of speedily and surely coping with the occurrence of a disaster, an accident, etc., such as a fire in underground or building structure by precisely collecting positional information on persons performing activity at the site and collecting biological information on the respiration rates, the pulse rates, etc., of the persons, environmental information on a temperature, gas density, etc., at the site, the video of the site, etc., to unitarily manage them by a control center, etc. SOLUTION: Positional information is precisely collects by a positional measurement method by a GPS system or electric field intensity usable in underground or in the building structure. Various kinds of sensors, video cameras, etc., are arranged at the bodies, helmets, etc., to collect the biological information, the environmental information and site video data. Then, the data are transmitted to a site management center through a LAN and transmitted to an information collecting management center through the Internet to unitarily manage the positional information and the biological information on the persons especially many persons performing fire fighting activity, rescuing activity, etc., at the site.
Patent JP-2003020243-A (JP)
Title: Method for manufacturing ingot of optical fiber preform
Inventor: TERAJIMA MASAMI
IPC: G02B6/00
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an ingot of an optical fiber preform so that a clad layer can be fast deposited without requiring a large- scale facility for treating waste gas, that the ingot of the optical fiber preform obtained by vitrifying the clad layer does not contain foreign matter or bubbles and that, when the ingot is stretched into a preform, a glass preform for an optical fiber having excellent optical characteristics can be obtained with a high yield. SOLUTION: In the method for manufacturing the ingot of the optical fiber preform by the outside vapor-phase deposition method by depositing glass fine particles on a start core preform 1 to form a clad layer and sintering and vitrifying the obtained soot deposit 9, silica powder is dispersed in a solvent and sprayed. Immediately after the silica powder deposits on the surface of the start core preform 1, heat energy necessary to volatilize the solvent is supplied.
Patent JP-2003011835-A (JP)
Title: Electric power steering device
Inventor: TATEWAKI OSAMU
IPC: F16H25/22
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a rack assist type electric power steering device preventing damage of a gear in tilting or the like of a ball nut. SOLUTION: An inner diameter increased part 61 is formed in a figure left end part of the ball nut 41, and a bearing holding cylinder 63 is protrudedly provided on a gear housing 31 in a state loosely fitted in the inner diameter increased part 61. A bearing holding part 65 with a smaller outer diameter in a figure right end side is formed on the bearing holding cylinder 63. A needle bearing 67 is fit on/pressed in the bearing holding part 65, and the inner diameter increased part 61 of the ball nut 41 contacting an attachment portion of a driven gear 39 is pivotally supported by the needle bearing 67.
Patent JP-2003021999-A (JP)
Title: System and method for creating educational material
Inventor: HOYASHITA SHIGERU
IPC: G06Q50/00
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To solve the problem that it is difficult to offer education according to the ability of an individual student in education using a textbook created uniformly because a conventional educational material is not created for the individual student but is uniformly created. SOLUTION: The target student data and educational environment data are inputted, educational material elements are selected and read from a database on the basis of the inputted data and selection criteria for prescribed educational material elements, the read educational material elements are edited, and then the educational material customized for the individual student is automatically created.
Patent JP-2002088048-A (JP)
Title: Method for producing n-t-butoxycarbonylnitroanline derivative
Inventor: YOSHIDA HIROYASU
IPC: C07B61/00
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing an N-t-butoxycarbonylnitroaniline derivative useful as an intermediate for medicines, agrochemicals, and the like. SOLUTION: This method for producing the N-t-butoxycarbonylnitroaniline derivative represented by the general formula (2) [X is H, a halogen, an alkyl, a haloalkyl, an alkoxy, a phenylalkyl, benzoyl (which may be substituted by a halogen, amino, nitro or alkyl), an alkoxycarbonyl, a phenylalkoxy, or the like; (n) is an integer of 0 to 4; Boc is t-butoxycarbonyl], characterized by reacting a nitroaniline compound represented by the general formula (1) with di-t-butyl dicarbonate in the presence of an alkali metal derivative or an alkaline earth metal derivative.
Patent JP-2003020610-A (JP)
Title: Box girder bridge
Inventor: YUI ROKUSUI
IPC: E01D11/00
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To resolve problems in installing a wind resisting stabilizing member to a bridge of an increase in girder weight and necessity for reinforcing a cable supporting a girder and stiffening and reinforcing a main tower base part, and a problem of narrowing in an actual usage area usable for traveling of a vehicle or the like due to gutters arranged on both sides of a floor slab. SOLUTION: In the bridge comprising a box girder structure, protruding parts are provided on one or both of an upper rim part neighborhood and a lower rim part neighborhood of an outer side face of a box girder, and the protruding parts form corner cuts in one or between both of an upper rim part and a lower rim part of the box girder. Size of the corner cuts are substantially 1/9 of a height of the box girder.
Patent JP-2002250353-A (JP)
Title: Rolling bearing
Inventor: DENPO KOUTETSU
IPC: C10N10/08
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing having excellent electric conductivity even at a high temperature. SOLUTION: In a ball bearing 10 provided with an outer ring 11, an inner ring 12, a plurality of balls 13 rollably arranged between both rings 11 and 12, and electrical conductive grease G filled into a space 16 formed between both rings 11 and 12 with the balls 13 set therein, the electric conductive grease G is composed of base oil, a thickener composed of a fluorine compound, and 0.2 to 10 mass % carbon black.
Patent JP-2002052450-A (JP)
Title: Trimming device
Inventor: FRANCO BAVELLONI
IPC: B24B41/04
Filed: 2001-07-09
Abstract: PROBLEM TO BE SOLVED: To provide a trimming device capable of significantly increasing an operating speed by increasing a feeding speed of a plate to be machined. SOLUTION: The trimming device used in a machine for trimming the plate such as, particularly, a glass plate comprises a first moving member 2 and a second moving member 3 set at at least one edge of the plate L to be machined, the first moving member 2 and the second moving member 3 supporting a first grinding wheel 5 and a second grinding wheel 6, respectively, and being connected to driving means 20, 21, respectively. The first grinding wheel 5 is moved so that the first grinding wheel 5 can machine the plate L to be machined at its front edge and the second grinding wheel 6 is moved so that the second grinding wheel 6 can machine the plate L to be machined at its rear edge.
Patent JP-2003023673-A (JP)
Title: Radio base station device and communication information form switching control method
Inventor: OKADA TAKENORI
IPC: H04W4/18
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To provide a radio base station device and a communication information form switching control method that enable exchange of information even in the case that information exchange by voice information is difficult due to the convenience of a called party or a caller or a deteriorated radio wave state. SOLUTION: A communication information form switch controller 1 carries out switching to switch a communication information form between communication terminals into voice information or character information depending on a switching request when receiving the switching request of the communication information form from a caller or a called party in the communication terminals and updates the communication information form in a communication information form storage section 41. When completing update of the communication information form, the controller 1 informs a signal transmission unit 3 about the end of switching and a voice information processing section 31 or a character information processing section 32 transmits the end of switching to each of the communication terminals in voice information or character information.
Patent JP-2003020327-A (JP)
Title: Resin composition, prepreg and laminate using it
Inventor: EKUSA SHIGERU
IPC: C08G59/62
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To provide a resin composition having low dielectric constant and low water absorption, a prepreg and a laminate. SOLUTION: The resin composition comprises (A1) an epoxy resin having a dicyclopentadiene skeleton and (B) a polybutadiene-modified phenolic resin. The prepreg is produced by impregnating a substrate with the resin composition. The laminate is produced by laying one or more plies of the prepreg one upon another and hot-pressing them.
Patent JP-2003021868-A (JP)
Title: Projection type display device
Inventor: SEKINE ATSUSHI
IPC: G03B21/00
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To intercept diffracted light other than 0th-order light emitted from a reflection type light valve in a projection type display device. SOLUTION: The projection type display device is provided with a light source 201, a polarized light illuminator 204, cross-dichroic mirrors 208 and 209, turning mirrors 210 and 211, a dichroic mirror 212, a polarizing beam splitter 213R for R light, a polarizing beam splitter 213G for G light, a polarizing beam splitter 213B for B light, a reflection type light valve 214R for R light, a reflection type light valve 214G for G light, a reflection type light valve 214B for B light, a cross-dichroic prism 215B, and a projection lens 216.  A protruding part (h) extended to an outer frame member 216 of the projection lens 216 intercepts rays MG, MB, and MR which are diffracted light other than 0th-order light emitted from reflection type light valves 214G, 214B, and 214R and go on the outside of outermost edge rays of a 0th-order luminous flux passing through an aperture diaphragm 216c of the projection lens 216.
Patent JP-2003025158-A (JP)
Title: Cutter holder heating method, and shrink-fitting device
Inventor: SUGITA YOSHIO
IPC: B23P11/02
Filed: 2001-07-11
Abstract: PROBLEM TO BE SOLVED: To provide a cutter holder heating method capable of realizing a shrink-fitting device capable of efficiently induction-heating a small cuter holder to hold a cutter such as a very small drill from a cutter holding condition to a cutter drawing condition, and a shrink-fitting device. SOLUTION: When drawing the fitted cutter 9, the current runs only in the cutter holder 8, but does not run in the cutter 9 as shown in Fig. 2 because the depth of a current penetration is smaller than the wall thickness of 1 mm of the cutter holder. Thus, if the cutter 9 is drawn before the heat is sufficiently transferred, the cutter can be reliably drawn from a cutter holding hole 7 which is thermally expanded.
Patent JP-2003025009-A (JP)
Title: Equipment for cooling hot-rolled steel sheet
Inventor: AGEO HIDETAKA
IPC: C21D9/52
Filed: 2001-07-11
Abstract: PROBLEM TO BE SOLVED: To provide an equipment for cooling a high-temperature steel sheet after hot finish rolling on a hot run table by the injection of water. SOLUTION: In this equipment for cooling a hot-rolled steel sheet, in a cooling zone for continuously cooling the steel sheet after hot finish rolling by the injection of water, the cooling zone is divided into two divisions of the 1st half zone and the 2nd half zone, the cooling equipment having high cooling capacity is arranged in the 1st half zone, also the cooling equipment having low cooling capacity is arranged in the 2nd half zone and, furthermore, the cooling equipment having middle cooling capacity is arranged-over the entire length of the cooling zone.
Patent JP-2003032792-A (JP)
Title: Multimode device
Inventor: ABE YOSHIYUKI
IPC: H04R9/02
Filed: 2001-07-11
Abstract: PROBLEM TO BE SOLVED: To obtain a multimode device by which the reproducible frequencies band is widened, especially extended to the upper frequencies in order to reproduce signals such as music or melodies clearly and brilliantly. SOLUTION: The multimode device is composed of a magnetic circuit comprising a permanent magnet 1, a yoke 2 and a plate 3, a diaphragm 4 for woofer, a voice coil 5 which is fixed to the diaphragm 4 for woofer, a diaphragm 8 for tweeter, and a voice coil 9 for tweeter which is fixed to the diaphragm 8 for tweeter. The magnet circuit is softly supported by a protector 10 through a suspension 6. The voice coil 5 for woofer vibrates in magnetic fields in a first gap of the yoke 2 of the magnetic circuit and the voice coil 9 for tweeter vibrates in magnetic fields in a second gap of the yoke 2 of the magnetic circuit.
Patent JP-2003026464-A (JP)
Title: Method of manufacturing humidity control tile and humidity control tile
Inventor: YOSHIDA SHIGEO
IPC: C04B33/13
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a humidity control tile which is capable of exhibiting a good deodorization function even to the odor of a hydrogen sulfide system which is hardly deodorized by the conventional humidity control tile. SOLUTION: The method of manufacturing the humidity control tile containing an inorganic humidity control material. The method comprises a step (a) of preparing a tile raw material which contains 20 to 90 wt.% silicic shale being the inorganic humidity control material in the solid component and is regulated to a pH 6.8 to 9.5, step (b) of molding the tile raw material to a prescribed tile shape and (c) a step of firing the molded tile below 1,000 deg.C.
Patent JP-2003031614-A (JP)
Title: Semiconductor device, semiconductor module and method of mounting the device and the module
Inventor: FUKUDA YOSHIKI
IPC: H01L21/60
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To reduce the occurrence of erroneous mounting of a semiconductor device and semiconductor module. SOLUTION: A first solder ball 13 and a second solder ball 14 of different fusing points are joined to each connecting electrode 12 provided at the rear surface of a semiconductor package 11 of the semiconductor device 10. The first solder ball 13 of lower fusing point is provided in the external circumferential side of the semiconductor device 10, while the second solder ball 14 of higher fusing point in the internal circumferential side.  A contact point 22 is provided on a base substrate 21, the semiconductor device 10 is allocated on a mounting substrate 20 in which solder paste 23 is printed on the contact point 22, and a reflow soldering process is conducted in which the semiconductor device 10 is heated up to a first temperature at which the first solder ball 13 is fused and is then heated up to a second temperature at which the second solder ball 14 and solder paste 23 are fused.