baber/WOPTO huggingface dataset:
Patent JP-H031565-A (JP)
Title: Device for mounting and cooling power semiconductor device
Inventor: DEIIN KINGU NOOBETSUKU
IPC: H01L25/11
Filed: 1989-12-28
Abstract: PURPOSE: To efficiently use a semiconductor device, by allowing the first and second heat sink means during specified transition and stable state of device operation, to keep the semiconductor device at a specified maximum joint part temperature of below, for having the first and the second specified heat capacity, respectively. CONSTITUTION: A first heat sink means which receives the heat generated by a semiconductor device during operation is assigned as a water-cooling plate 610, with a cooling liquid-flow channel provided as channels 612 and 614. A second sink means which receives the heat generated by the semiconductor device are assigned as metal blocks 632 and 634 between devices 602 and 604 and a terminal 630, respectively. The blocks 632 and 634 are, cubic as shape, made of copper with a conductive channel provided between a terminal bar 630 and a semiconductor device contacting it. As a result, not only device's joint part temperature is kept at a maximum joint part temperature or below, but a stable state joint part is kept within 80% of the maximum joint part temperature.
Patent JP-H07163623-A (JP)
Title: Bedsore prevention and/or visceral organ activation bed
Inventor: NAKAMATSU YOSHIRO
IPC: A47C20/08
Filed: 1993-12-10
Abstract: PURPOSE:To protect a bedridden person against a bedsore without any need of an attendant, and active a visceral organ by inclining divisionally a bed about longitudinal and transverse shafts. CONSTITUTION:Floor plates 5 to 8 for placing a 'futon' thereon are continuously laid on the base 1 of a bed 1 so as to be capable of bending about transverse shafts 2 to 4, and the floor plate 6 is fitted to the base 1 so as to be capable of inclining right and left about the longitudinal shaft 9 of the base 1. Guides 11 erected with shafts 10 are formed at both sides of each of the floor plates 5 to 8. In addition, a stepping motor for the shaft 2 to incline the floor plate 5 relative to the floor plate 6 and another stepping motor for the shaft 3 to incline the floor plate 7 relative to the floor plate 6 are installed, together with a stepping motor for the shaft 8 to incline the floor plate 7 along the longitudinal direction thereof and another stepping motor for the shaft 10 to erect the guides 11. Also, each guide shaft 10 is jointed via a universal joint, and the guides 11 simultaneously stand up due to a leverage effect on the operation of the motors, even when the floor plates 5 to 8 are bent.
Patent JP-H06263646-A (JP)
Title: Cariostatic agent
Inventor: NAKAHARA KOICHI
IPC: A23L9/10
Filed: 1993-12-24
Abstract: PURPOSE:To obtain a cariostatic agent of new type for preventing formation of bacterial plaque by taking advantage of glucosyltransferase inhibiting activity. CONSTITUTION:A cariostatic agent contains 0.0001-0.5wt.% calculated as dry weight of an extract having glucosyltransferase inhibiting activity obtained from half fermented tea leaves or post-fermented tea leaves such as oolong tea or Paul tea. An extract obtained by using water alone or a mixture of water and a polar solvent (e.g. lower alcohol or acetone) in an arbitrary ratio is used as the extract. The cariostatic agent is utilized for preventing dental caries in the dosage form, e.g. hygienic agent of oral cavity such as dentifrice, mouth washing solution or troche and food additive.
Patent JP-H10181306-A (JP)
Title: Pneumatic radial tire
Inventor: MATSUMOTO HIROYUKI
IPC: B60C9/08
Filed: 1996-12-25
Abstract: PROBLEM TO BE SOLVED: To improve wandering performance by providing the maximum position of carcass nd and an area where the carcass line is projected like a circular arc inward the tire in a specified area outward in the radial direction from the center of the bead core in the cross-direction section of a pneumatic radial tire. SOLUTION: In the cross-direction section of a pneumatic radial tire which is incorporated in a rim to which the standard defined in JAMA is applied and is filled with 10% of the air pressure corresponding to the maximum load capacity, when the half of a difference between the maximum diameter in the center of the direction of thickness of a carcass ply and the diameter of the bead core center is taken as the height H of carcass, the maximum width position P of carcass is in an area 55-80% of the carcass height H outward in the radial direction from the bead core center 1, and the carcass line has a projected circular arc (radius of curvature R1) toward the inside of the tire in an area 20-50% of the carcass height H from the bead core center 1 outward in the radial direction, and an annular recessed part (radius of curvature R2)  is provided on the side rubber surface corresponding to the projected circular arc area.
Patent JP-H05182966-A (JP)
Title: Multilayer-interconnection formation method
Inventor: KATO KATSUYUKI
IPC: H01L21/768
Filed: 1991-12-27
Abstract: PURPOSE:To shorten a process by simultaneously performing a connecting-hole filling operation and a wiring operation in the multilayer-interconnection formation process of a semiconductor device. CONSTITUTION:The multilayer-interconnection formation process of a semiconductor device includes the following: a process wherein interlayer insulating films 5, 6 different in kind are formed on the surface of a semiconductor substrate 1; a process wherein grooves whose depth is different are formed in the interlayer insulating films 5, 6 by utilizing the difference in an etching rate between the interlayer insulating films 5, 6; and a process wherein a conductive material 8 is filled simultaneously into the grooves whose depth is different.
Patent JP-2001169578-A (JP)
Title: Method for estimating and method for regulating current offset in ac motor
Inventor: OBA SHUSUKE
IPC: H02P23/04
Filed: 1999-12-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for estimating and regulating the current offset in an AC motor for reducing a torque ripple by reducing an offset error. SOLUTION: The method for regulating the current offset in the AC motor comprises the steps of integrating a current command value of the multiplied value of a torque command in constant speed control, by a value corresponding to an electric angle by an integrator 10 at each sampling period of a plurality of periods at the electric angel under the control of the AC motor; estimating the offset of a current detecting system with the value obtained by dividing by sampling times (n) by a divider 11 as an offset value; and subtracting the estimated offset value from the current detected value by a subtracter 13 or adding it to the current command value by an adder, thereby regulating the current offset.
Patent JP-H05183866-A (JP)
Title: 8mm video camera
Inventor: ONISHI YASUO
IPC: H04N5/335
Filed: 1991-12-27
Abstract: PURPOSE:To record an image so that an image of 4:3 in aspect ratio can be displayed on a 4:3 aspect ratio monitor and an image of 16:9 in aspect ratio which has no deterioration in resolution can be displayed on a 16:9 aspect ratio monitor. CONSTITUTION:An image pickup signal is read out of a 16:9 aspect ratio CCD 12 at intervals of 1/60 second and divided by a switch circuit 20 into center main video data of 4:3 in aspect ratio and its right and left subordinate video data after A/D conversion. Then the main video data are expanded by a main video time expanding circuit 22 horizontally with time to generate video data of one field, which are recorded in a video recording area of a video tape by a main video recording circuit 30 after D/A conversion. The subordinate video data are inputted to a subordinate video time compressing circuit 24, which compresses the right and left data to half horizontally with time and arranges them; and they are recorded in a PCM audio recording area of the video tape by a subordinate video recording circuit 38 after D/A conversion.
Patent JP-2000154333-A (JP)
Title: Production of pigment from alga of genus spirulina
Inventor: ETO MIKIYOSHI
IPC: A23L1/275
Filed: 1998-11-20
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a pigment from an alga of the genus Spirulina by which a blue pigment can readily be produced from the alga of the genus Spirulina by improving the conventional method for production, even a yellow pigment of a bright hue can be produced according to a simple method and the blue pigment and the yellow pigment can simultaneously be produced by production at a time. SOLUTION: This method for producing a pigment from an alga of the genus Spirulina comprises a first step for suspending a dried powder of the alga of the genus Spirulina in water and extracting components of a blue pigment and a yellow pigment, a second step for filtering an extracted liquid obtained by the first step and separating the extracted liquid into a suspension containing the component of the blue pigment, chlorophyll and cell residues and an extracted liquid containing the component of the yellow pigment extracted therein, a third step for drying the filtrate obtained in the second step and containing the component of the yellow pigment extracted therein and providing the yellow pigment, a fourth step for separating the suspension prepared in the second step and containing the component of the blue pigment,  chlorophyll and cell residues into a water-soluble component of the blue pigment and a water-insoluble component of the chlorophyll and the cell residues and a fifth step for drying the blue pigment, obtained in the fourth step and affording the blue pigment.
Patent JP-2001166713-A (JP)
Title: Electro-optic display device
Inventor: OKURA KOKICHI
IPC: G09F13/04
Filed: 1999-12-07
Abstract: PROBLEM TO BE SOLVED: To enable a viewing person to surely recognize display contents by distinctly indicating the contours of a display form even when the display device is used as a signal light in a place of right surroundings, such as in the daytime. SOLUTION: Plane type solid-state display elements which are light emitting sources 3 of different wavelengths, such as LED elements and EL elements, are segmented by color coding and are exhibited and arranged on a wiring board 2 so as to indicate the contours of the prescribed display form. A partition member 4 is arranged to partition a boundary P of the different colors lighted and displayed by these light emitting sources 3 and the light rays of the different colors emitted from the light emitting sources 3 are shielded from each other. The light emitting sources 3 and the partition member 4 are capped by a translucent cap member 5.  The partition member 4 is fixed on one end edge side to the wiring board 2 side in the state of detaching at an arbitrary spacing from the translucent cap member 5 for capping the same and is mounted by orienting the other end edge side to a state of slightly inclining toward the light emitting sources 3 enclosed by the same, by which a light reflection member for reflecting or randomly reflecting the light from the light emitting sources 3 enclosed by the partition member is obtained.
Patent JP-H11312267-A (JP)
Title: Self-service terminal system offering plural kinds of service and its control method
Inventor: EPSTEIN HOWARD I
IPC: G06Q20/00
Filed: 1998-12-07
Abstract: PROBLEM TO BE SOLVED: To provide a self-service terminal for which service to be offered is selected depending on the number of waiting persons. SOLUTION: When there is no user at all in the vicinity of an ATM 10, a screen of the ATM is operated as a bulletin board. When one person or a short waiting line exists, all the service types to be offered to the user's requests are offered by the ATM 10. When the waiting line becomes longer, the kinds of service to be used become restricted. Namely, utilization of the service is restricted as only one time per one user or restricted to only a certain kind of the service, such as the cash payment service. In the case of ATM, the line is constituted so that separate kinds of services are offered by each of the ATMs.
Patent JP-H06201587-A (JP)
Title: Nitrogen oxide measuring apparatus
Inventor: MIYAI JINKICHI
IPC: G01N21/77
Filed: 1992-12-28
Abstract: PURPOSE:To remove acetic acid included in an exhaust gas safely and stably without carrying out a special maintenance work in an apparatus for measuring the concentration of nitrogen oxide with using Salzmann's reagent as a liquid absorbent. CONSTITUTION:Reference 2 is a first absorption bottle for nitrogen dioxide which measures the concentration of nitrogen dioxide in a sample air, and reference 3 indicates an oxidation bottle for oxidizing nitrogen monoxide in the sample air to nitrogen dioxide. Reference 4 represents a second absorption bottle for nitrogen dioxide to measure the concentration of nitrogen monoxide by measuring the concentration of the oxidized nitrogen dioxide. Reference 5 is a suction pump to suck the sample air into the apparatus. A microbial deodorant column 10 is provided between the absorption bottle 4 and the suction pump. A flow rate regulating line 13 for adjusting the flow rate of the sample air is coupled between the deodorant column 10 and the suction pump 5. Each constituting member is accommodated in a box 17 forming an outer frame of the nitrogen oxide measuring apparatus approximately in the sealed state.
Patent JP-2001162368-A (JP)
Title: Brazing method, and its apparatus
Inventor: OKANO TERUO
IPC: H05K3/34
Filed: 1999-12-07
Abstract: PROBLEM TO BE SOLVED: To provide a brazing apparatus to reliably achieve the brazing on an entire surface of a substrate without allowing any brazing filler metal to be splashed on an upper surface of the substrate. SOLUTION: Before the substrate W is placed above a spray hole 44 of a second nozzle 16, the output of a second electromagnetic induction pump 6 is minimized to prevent a solder S from being splashed on the upper surface of the substrate W, and the wave height of the secondary jet wave is reduced, the speed is increased and the flow-down angle is also increased. When the solder S is brought into contact with a tip of a lower surface of the substrate W, the wetting of the rear solder is reliably advanced, and the solder S is excellently separated while the output of the second electromagnetic induction pump 6 is left unchanged, and the flow-down angle is increased at the intermediate height.
Patent JP-H11181751-A (JP)
Title: Method for reinforcing soft ground using slag
Inventor: TAKASAKI TAKEHIKO
IPC: E02D3/10
Filed: 1997-12-17
Abstract: PROBLEM TO BE SOLVED: To shorten the construction period, and to reduce the construction cost by burying a plurality of cenducting tubes provided with a large number of small holes in their side walls in a projecting manner from the ground, filling over a sand-like slag placed on the buried conduits, discharging and removing pore water, infiltrating Portland cement-water mixture, and solidifying it. SOLUTION: A large number of water conducting holes 2 are drilled from the ground surface to the bottom of a soft ground 1 with intervals. Conducting tubes 4 provided with a large number of small holes 3 in their side walls are inserted in the water conducting on holes 2, and buried so that upper ends of the conduits are projected from the ground surface, and located in a sand-like slag layer 8. Small holes 3e are provided in a part of the conducting tubes 4 located above the ground surface. Then, the sand-like slag layer 8 is installed on the ground surface, and the banking is loaded thereon. When the discharge of pore water 7 is stopped, the banking 9 is removed, the Portland cement-water mixture is sprayed and infiltrated from the surface of the sand-like slag layer 8, and solidified and hardened. Mortar cement may be filled in the conducting tubes 4.  The construction period is shortened, the construction cost is reduced, and a film consolidated ground can be obtained.
Patent JP-H06199799-A (JP)
Title: Production of azaphthalide derivative
Inventor: INOUE KUNIMI
IPC: C07D491/048
Filed: 1992-12-28
Abstract: PURPOSE:To produce the subject derivative useful, e.g. as an intermediate for a medicine exhibiting an antiulcer effect and an antiarrythmic activity with industrial advantage by treating a specified 3-carboxy-2-hydroxymethylpyridine derivative with an acid anhydride in the presence of an acid. CONSTITUTION:Quinolinic acid anhydride is dissolved in tetrahydrofuran and sodium borohydride is added thereto at 15 to 20 deg.C. After addition of acetic acid thereto, the resultant mixture is allowed to react for 4hr so as to synthesize a 3-carboxy-2-hydroxymethylpyridine derivative represented by formula I (R<1> to R<3> are each H, a lower alkyl, a lower alkoxy, an aryl or a halogen) or its metal salt. An acid anhydride (e.g. acetic anhydride) is added thereto in the presence of an acid (e.g. acetic acid) and reacted at 100 deg.C for 3hr. The reaction mixture is subsequently concentrated under a reduced pressure and water and table salt are added thereto. The obtained mixture is extracted with chloroform and the extract is concentrated under a reduced pressure. After adding 2-propanol the resultant mixture is heated up to 70 deg.C, subsequently cooled and crystallized. The generated crystals are filtered and dried, thus producing the objective 4-azaphthalide derivative (salt) represented by formula II.
Patent JP-2001169417-A (JP)
Title: Metal closing type switch gear
Inventor: YAMANO NAOKI
IPC: H02B3/00
Filed: 1999-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a metal closing type switch gear in which a cabinet body can accurately be placed on a foundation base. SOLUTION: Position determining through holes 8a, 8b are provided at the front surface and the rear surface of a bottom surface of cabinet bodies 11a, 11b. Position determining base holes 9a, 9b of almost the same size as the through holes 8a, 8b are provided to positions corresponding to those of the position determining through holes 8a, 8b at the upper surface of a base body 14. A position determining metal tool 7 with a smaller extremity and a larger body than those of the position determining through hole 8a and the base hole 9a is provided to the cabinet body 11a placed first on the base body 14. As a result, a tightening connecting metal 3a is mounted into a tightening tap 6a via a tightening through hole 5a, followed by placing the cabinet body 11b in the same manner as the cabinet body 11b, after centering the position determining through hole 8a and the position determining base hole 9a.
Patent JP-2001162642-A (JP)
Title: Mold clamping device equipped with mold rotating mechanism
Inventor: MURASE KATSUMI
IPC: B29C45/16
Filed: 1999-12-08
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that moment is applied to the eccentric shaft supporting a rotary plate to bend the eccentric shaft because the force for adjusting and holding the rotary plate in parallel to a base plate is supported at a position separated from the surface of the base plate of the roller attached to the eccentric shaft. SOLUTION: The mold clamping device of an injection molding machine, wherein a rotary plate having a center shaft is incorporated in a base plate to be revolved by a rotary drive device, consists of a plurality of eccentric shafts fitted and inserted in the base plate and receiving the force for adjusting and holding the rotary plate in parallel to the base plate by the whole thickness of the base plate and the support roller attached to the eccentric shafts so as to bring the slide part, which is provided to the circumference of the rear surface of the rotary plate, into contact with the mold attaching surface of the rotary plate in the direction vertical to the center shaft to revolve the same.
Patent JP-H10187103-A (JP)
Title: Display device
Inventor: ANAI KIMIO
IPC: H04N5/66
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To provide a display device capable of simply displaying plural pieces of image information without using a complex image memory. SOLUTION: This device is constituted so that a display area 103 is divided to first, second display areas 105, 107, and first, second drive circuits 301-303, 304 are used corresponding to respective display areas, and a display image is displayed on a whole display area by relatedly driving these first, second drive circuits, or two independent images are displayed on the first, second display areas 105, 107 at a prescribed aspect ratio by mutually independently driving the first, second drive circuits.
Patent JP-H10194889-A (JP)
Title: N-type diamond semiconductor
Inventor: AZUMA KO
IPC: C30B31/06
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To obtain an n-type diamond semiconductor by incorporating penta- or higher valent atoms shaving an electronegativity which is higher than that of C atoms and an ionization potential which is equal to or lower than that of C atoms as donor atoms into a diamond semiconductor. SOLUTION: Penta- or higher valent atoms having an electronegativity which is higher than that of C atoms and an ionization potential which is not much higher than that of C atoms, e.g. Se, S, Br or I atoms are used as donor atoms. The ionization potential of the door atoms is equal to or lower than that of a single bond of C atoms constituting a diamond semiconductor and is equal to or lower than that (13.831eV) of ethane. A small amt. of high purity selenium dioxide is dissolved in ethanol and diluted with acetone, and the resultant source gas is diluted with high purity gaseous H2 and fed into a hot filament CVD reactor, where a diamond semiconductor film is formed on a silicon single crystal substrate preheated to >=900 deg.C.
Patent JP-2001161251-A (JP)
Title: Bird-preventing structure of building
Inventor: MARUYAMA SEIICHI
IPC: A01M29/32
Filed: 1999-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a bird-preventing structure which can easily be designed, constructed and maintained and is excellently beautiful. SOLUTION: A frame 2 whose frame lattices 5 are formed from main T bars 3 and cross T bars 4 is hung from the ceiling surface of a building. A bird-preventing panel 1 which is formed from a welded mesh and expanded metal members and is subjected to the application of an electrostatic powder coating baking is attached to the inside of the each frame lattice. A panel lattice 1b of the bird-preventing panel 1 is suitably selected in response to the kind of prevention target birds to prevent the invasion of the birds into a space between the ceiling surface and the frame 2. Thereby, the bird-preventing structure systemized with the frame 2 and the bird-preventing panels 1 is built to efficiently prevent bird injuries, and simultaneously man-hours and costs for designing.constructing.maintaining a bird-preventing facility can be reduced.
Patent JP-H09170990-A (JP)
Title: Apparatus for testing flammability
Inventor: SUMI CHIKAKO
IPC: G01N25/50
Filed: 1995-12-20
Abstract: PROBLEM TO BE SOLVED: To improve measuring accuracy for a testpiece generating smoke. SOLUTION: An illumination device 17 for illuminating a front and a rear faces of a testpiece 3 held between U-shaped mounting tools 1 and 2 loaded on a supporting stage 4 is set at an inner face of a rear wall 12 or a front wall 18. A light source 20 emitting laser beams 19 is installed at a position at the front side of the front wall 18 and agreeing with a calibration line marked on the mounting tools 1, 2. When the light source is placed inside a test chamber, the interior an be seen because of the light of the light source through an observation window, and therefore a burning state of the testpiece 3 can be correctly observed even if the testpiece generates smoke.  Since a line of sight is adjusted during the observation of the burning state of the testpiece 3 even in the smoke so that the calibration line of the mounting tools 1, 2 confirmed through the illumination by the light source 20 inside the test chamber agrees with the laser beams 19, the burning state of even the testpiece 3 generating smoke can be correctly observed thereby improving measuring accuracy.