baber/WOPTO huggingface dataset:
Patent JP-H05226733-A (JP)
Title: Rare-earth element added glass waveguide and its manufacture
Inventor: NAKAZAWA MASATAKA
IPC: H01S3/17
Filed: 1992-02-12
Abstract: PURPOSE:To obtain a glass waveguide in which a film thickness and a refractive index are controlled and a rare-earth element is uniformly added by a method wherein a core glass composed of a specific oxide matter containing the rare- earth element is formed on the surface of a substrate. CONSTITUTION:When electron beams are substantially concurrently emitted to tablets 3a, 4a within evaporation sources 3. 4 from electron guns 5, 6, respectively, and each of the tablets 3a, 4a radially evaporates to mix within a chamber 2 as well as reach a plurality of substrates 8a to 8n located on the upper part within the chamber 2, so that a glass film composed of SiO2 and Ta2O5, may be formed on the surface. Here, by adjusting a current of the electron guns 5, 6, the annexing amount of a rare-earth element in a glass film can be adjusted by controlling an evaporation speed from the evaporation source. A control scope of the annexing amount can be realized ranging within several percentages from 100ppm.
Patent JP-S56123346-A (JP)
Title: Aluminum alloy for extrusion with superior hardenability
Inventor: ARAI KOUZOU
IPC: C22C21/08
Filed: 1980-02-29
Abstract: PURPOSE: To obtain an Al alloy for extrusion with enhanced mechanical properties even at a low cooling rate and superior hardenability by adding a specified percentage of Mg, Si, Cu and Mn to Al.  
     CONSTITUTION: An Al alloy is prepared contg., by weight, 0.4W1.2% Mg, Mg/ 1.73+0.05WMg/1.73+0.4% Si (Mg is the content percent of Mg), 0.05W0.4% Cu and 0.1W1.0% Mn. To the alloy may be added ≤0.30% Fe, ≤0.10% Cr, ≤0.20% Zr and ≤0.20% Ti. This alloy is excellent in strength and can be provided with sufficient strength without carrying out equenching by water cooling or other method after extrusion. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H05226373-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: HIKOSAKA YASUMI
IPC: H01L21/338
Filed: 1992-02-12
Abstract: PURPOSE:To manufacture the title semiconductor device in the structure capable of easily attaining to an extremely short gate length by a method wherein said semiconductor device includes a laminated structure formed of a supporting crystal substrate in low conductivity, a conductive semiconductor crystal thin layer, another low conductivity auxiliary crystal layer and a transistor structure grown on these ends. CONSTITUTION:The title semiconductor device is provided with a supporting crystal substrate 8 in low conductivity having at least two intersecting surfaces and a conductive semiconductor crystal thin film 4 grown on one surface of the supporting crystal substrate 8 and having the flush surface with the other surface of the supporting crystal substrate, furthermore, a low conductivity auxiliary layer 9 grown on the semiconductor crystal thin film 4 and having the flush end surface with the other surface of the supporting crystal substrate 8 as well as the laminated layer structure forming a transistor structure deposited on the surface of the substrate 8, the thin film 4 and the auxiliary crystal layer 9 including an active layer. For example, the laminated layer structure 10 is formed of an i type GaAs layer 11, an i type AlGaAs layer 12 and an n type GaAs layer 13.
Patent JP-2000222034-A (JP)
Title: Optical communication equipment for movable body with railway
Inventor: OOSHIMO JIYUN
IPC: H04B10/11
Filed: 1999-02-02
Abstract: PROBLEM TO BE SOLVED: To enable a set of on-vehicle optical communication equipment to perform two-way forward and backward communication of the traveling direction of a movable body on which it is mounted all the time. SOLUTION: The equipment is provided with a beam splitter BS which branches the optical path of one optical transmitting and receiving part 30TR for transmitting and receiving an optical signal with ground optical communication equipment 41 to 48 installed on the both forward and backward extended line in the traveling direction of a movable body 2 with a railway traveling on the railway and which makes one optical path turn to one of the forward and backward directions in the traveling direction of the body 2, and total reflection mirrors M1 to M3 which make the other optical path branched by the splitter BS turn to the other direction of the forward and backward directions of the traveling direction of the body 2.
Patent JP-S60169899-A (JP)
Inventor: SUGITOU TAKESHI
IPC: G10D3/16
Filed: 1984-02-14
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H07232359-A (JP)
Title: Injection device on injection molder
Inventor: OYA HIROSHI
IPC: B29C45/52
Filed: 1994-02-23
Abstract: PURPOSE:To make the improvement and controlling of plasticizing power, resin temperature, kneading properties or the like and prevent resin from burning by a method wherein resistor, which causes the resistance in resin flowing toward an anti-backflowing mechanism, is detachably fixed to a screw. CONSTITUTION:A screw 2 equipped with an anti-backflowing mechanism 1, is rotatably and axially movably inserted in a heating cylinder 4 equipped with a nozzle 3. The resin fed from a hopper 5 is kneaded and melted through the rotation of the screw 2 so as to be run through the anti-backflowing mechanism 1 into a resin well 4a formed between the nozzle 3 and the anti- backflowing mechanism 1. By retreating the screw 2 with the resin pressure in the resin well 4a, resin is metered in the resin well 4a. After that, by advancing the screw 2, the metered resin is injected through the nozzle 3 in a cavity C made by molds 6 and 7. In this case, at the rear of the anti-backflowing mechanism 1, a resistor 11 (13), which causes the resistance in resin flowing toward the anti-backflowing mechanism 1 is provided so as to be detachably fixed to the screw 2.
Patent JP-S54118205-A (JP)
Title: Infomration recording disc
Inventor: WATANABE SEIO
IPC: G11B7/257
Filed: 1978-03-06
Abstract: PURPOSE:To let the disc maintain the sureness of reproduction over a long period of time by forming the pits corresponding to information signals to the metal film deposited on a disc form substrate and further providing a stable covering metal film thereon. CONSTITUTION:A metal film 2 of about 800 to 2000 Angstrom  in thickness is formed on a glass substrate 1 by evaporating aluminum. Next, with this being rotated, the laser light having been modulated with the information signals to be recorded is radiated to allow the metal film 2 to locally evaporate and fly off, thus forming the pits 3 corresponding to the information signals. Following the this, a metal film 3 is formed on the surface having been recorded with the informations by evaporating chromium, gold or other.
Patent JP-S56122001-A (JP)
Title: Production of thick-film optical integrated circuit
Inventor: HASUMI RITSUO
IPC: G02B6/13
Filed: 1980-03-01
Abstract: PURPOSE:To facilitate an easy mass production of the thick-film optical integrated circuit with a uniform quality, by attaching the optical element and forming a thick- film optical transmission line by means of a holding frame and a molding flask provided on a substrate. CONSTITUTION:The holding frame 2 made by the screen print having several tens mu thickness plus the molding flask 3 formed by the exposure/development of a photosensitive film having about 100mu thickness are provided on the substrate 1 of glass, ceramics and others with a smooth surface. Then the 1st cladding layer 4 is formed with a high molecular material having a low refractive index and with a thickness smaller than the flask 2. Thereafter, the optical elements 5 and 6, etc. are attached after a positioning by the flask 2. Then the high-refractive index and transparent high molecular material is coated and cured to fill the hollow part. Thus a core layer 7 is formed with its surface having the same level as the elements 5 and 6. Then the transparent high molecular material having low-refractive index is coated on the layer 7 to obtain the 2nd cladding layer 8. In addition, the input/output optical fiber, the light emitting element and photodetector, and others are attached to form a thick-film optical integrated circuit.
Patent JP-S52109309-A (JP)
Title: Information transmission device
Inventor: HINO TOSHIHISA
IPC: H04B3/46
Filed: 1976-03-10
Abstract: PURPOSE:To make it possible to detect an abnormal office by using a ring transmission line used for state supervisory controlling, so that system down conditions are recovered quickly and the effective operation is made.
Patent JP-2000220296-A (JP)
Title: Grip anchor detaching jig
Inventor: FURUWATARI MANABU
IPC: E04B1/41
Filed: 1999-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a grip anchor detaching jig capable of easily detaching a grip anchor driven into an exterior wall, after completing external facing work of a building. SOLUTION: After completing external facing work of an exterior wall 20 of a building, a fixed ring 10 is detached from a post by releasing thread-fastening of a thread-fastening part 14, and a wall connecting jig 6 is detached from the exterior wall 20 by releasing thread-fastening of a screw part 7 of the wall connecting jig 6 to the inner periphery of a grip anchor 15. A thread part 3 of a detaching jig 1 is screwed into the inner periphery of the grip anchor 15 in the exterior wall 20, and the detaching jig 1 is screwed forward in the inner periphery of the grip anchor 15. After a driving end reaches the bottom face of a bore 22, the grip anchor 15 is moved in the surface direction of the exterior wall 20 by the rotation of the thread part 3.  The grip anchor 15 driven into the exterior wall 20 of the building is therefore detached outside of the exterior wall 20 with simple operation, and cutting of the protruding part of the grip anchor 15 and laying of a tile provided with a recessed part for accommodating the protruding part are dispensed with, so that exterior wall repair work after external facing work can be easily performed while reducing work cost.
Patent JP-S61190838-A (JP)
Inventor: JIYON RIBEERU MANSERU
IPC: H01J31/12
Filed: 1986-02-10
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S62183858-A (JP)
Title: Crushing rewashing treater for gravel
Inventor: ENDO SHIGEHARU
IPC: B02C2/10
Filed: 1986-02-07
Abstract: Apparatus for crushing and washing ballast and the like comprises axially aligned and spaced apart first and second cylindrical bodies (4) and (6) interconnected by a screen barrel (13). The first body (4) has a feed hopper at the end remote from the screen barrel (13) and the bodies (4,6) are provided with feed water pipes (23). Extending lengthwise of the bodies (4,6) is a rotatable main shaft (7) on which the screen barrel (13) is mounted through radial spokes (14). The main shaft (7) mounts crush blade means (15) disposed within the bodies (4,6) and a first crush bowl (12) for co-operating with the end of the first body (4) adjacent to the screen barrel (13). A second crush bowl (18) is mounted on a rotatable jack shaft (17) coaxial with the main shaft (7) for co-operating with the end of the second body (6) remote from the screen barrel (13). The first body (4) and jack shaft (17) are mounted on respective tables (1,1') slidably supported on a base (2) for engagement with respective adjustable stops (22,22') for controlling the degree of engagement between the ends of the bodies (4,6) and the crush bowls (12,18). The tables (1,1') are biassed by respective springs (19,19') to engage the ends of the bodies (4,6) and the crush bowls (12,18) with the biassing force exerted by each spring (19,19') being adjustable.
Patent JP-H11209142-A (JP)
Title: Tin-containing antibacterial-antimold glass composition
Inventor: SHIRAKI TAKASHI
IPC: C03C3/12
Filed: 1998-01-23
Abstract: PROBLEM TO BE SOLVED: To obtain a tin-contg. meltable glass compsn. which exhibits antibacterial-antimold action to a material such as a resin, fiber or paper by kneading, impregnation or addition. SOLUTION: The meltable glass compsn. which releases tin ions as an effective component contains, by weight, 3-20% SnO2 , 0-70% P2 O5 , 1-10% Na2 O, 5-30% CaO, 0-60% B2 O3 and 0-20% MgO.
Patent JP-S60172361-A (JP)
Title: High-gradient magnetic force wet mineral dressing method and apparatus therefor
Inventor: FUKUMAKI KEIJI
IPC: B03C1/03
Filed: 1984-02-14
Abstract: PURPOSE:To enhance the treating and electromagnetic efficiency by opposing as counter poles two round electromagnets each having an E-shaped cross section and consisting of an inner magnetic pole at the central part and an outer magnetic pole surrounding the inner magnetic pole. CONSTITUTION:A treating material, wherein the fine powder of a kaolin material is suspended in water, is supplied into a rotary vessel 7 in a magnetic field generator 1 from a material supply device 5. The iron component in the material is adsorbed by a magnetic filter medium 8 in the rotary vessel 7 and removed in a deironizing zone A, and the material flows down into a stationary vessel 9 wherein the material is recovered. When the magnetic filter medium 8 arrives at a recovery washing zone B, the material to be recovered is separated and recovered by sprinkling the washing water and passing the washing through the medium. And the iron adsorbing power of the magnetic filter medium is regenerated for the succeeding material treatment.
Patent JP-S55118932-A (JP)
Title: Manufacture of foamed polystyrene resin board
Inventor: AKIYAMA HIROYUKI
IPC: C08J9/14
Filed: 1979-03-09
Abstract: PURPOSE:To manufacture the titel foamed article having excellent heat insulating properties, mechanical strength and dimensional stability, by molding a composition composed of a resin having a specific MI value, a fluidity-improving agent having a relatively high melting point, and a foaming agnet (e.g. a mixture of methylene chloride and dichlorodifluoromethane). CONSTITUTION:(A) A polystyrene resin having high melt viscosity and a melt index of between 0.5 and 5, (B) a fluidity-improving agnet having a melting point of >=70 deg.C, and (C) a foaming agent (e.g. a mixture of methylene chloride and dichlorodifluoromethane), are molten, and mixed together. The foamable molten gel thus obtained is extruded with an extruder to a low-pressure zone to obtain a foamed article.
Patent JP-S59151917-A (JP)
Inventor: KATOU MASAHIRO
IPC: A47G9/00
Filed: 1983-02-19
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S58144525-A (JP)
Inventor: SEKI NAGATAKA
IPC: H02H7/122
Filed: 1982-02-23
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S59152479-A (JP)
Inventor: TATEISHI KENJI
IPC: G09B5/04
Filed: 1983-02-18
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H11223648-A (JP)
Title: Charge amount detector
Inventor: KUMADA AKIRA
IPC: G03G15/00
Filed: 1998-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a small, inexpensive charge amount measuring device capable of highly precisely detecting a charge amount in quick response. SOLUTION: A charge amount detector 31 includes a pulse light radiating means 34 and a charge amount detecting means 37. The pulse light radiating means 34 is formed with a light emitting diode(LED) 41, a driving circuit 42 to perform pulse emission of the light emitting diode 41 and an optical fiber 43. The optical fiber 43 has an injection side end face 43a opposed to the light emitting diode 41 and an emission side end face 43b opposed to the surface of a photosensitive drum 32 as a detected plane. A charge amount detecting means 37 consists of a detecting electrode 35 and a signal processing circuit 36. The detecting electrode 35 is opposed to the charge amount measured portion of a photocondutive film 32a on the photosensitive drum 32. The detecting electrode 35 is formed from a ring metal plate encircling the outer periphery at the emission side end of the optical fiber 43.
Patent JP-S56123577-A (JP)
Title: Copying device
Inventor: AOKI TAKAO
IPC: G03G15/16
Filed: 1980-03-03
Abstract: PURPOSE:To prevent the toner dirt for the back side of copy paper, by providing the copy member holding means having the holding plane to hold the copy member and the means making the copy bias from the back of the copy member holding plane of the copy member holding means. CONSTITUTION:Polyester film 243 in 200mu thickness is wound on the notch of the metallic frame 242 of the copy drum 24. At copying, the toner charge and opposite polarity of corona discharge current are given to the back side of the film 243 with the copy charger 25. The copy drum 24 is turned by a given number of revolutions while gripping the tip of copy paper 20 at the gripper 241 and the image with required color number can be copied. At cleaning, the discharge corona current with the same polarity as the toner charge is given at the copy charger 25 and recopy is made on the surface of the toner sensing drum 1 offset for the surface of the film  243 for cleaning.
Patent JP-S62186033-A (JP)
Title: Fuel injection controller for multicylinder internal combustion cylinder
Inventor: OKANO HIROSHI
IPC: F02D41/04
Filed: 1986-02-10
Abstract: PURPOSE:To improve responsive property in the transience of engine running by controlling fuel injection according to a fuel amount obtained from the increase of load in a predetermined period at a predetermined crank angle between crank angles in which synchronous fuel injection is carried out in the transience of the engine running. CONSTITUTION:The captioned controller has a load detecting means M2 for detecting the load of a multicylinder internal combustion engine M1 and a crank angle detecting means M3 for detecting crank angle. And by a synchronous fuel injection means M5 is driven a fuel injection valve M4 on the basis of detected crank angle at every predetermined crank angle to inject an amount of fuel corresponding to the detected load to a plurality of cylinders at a time. In this case, the synchronous fuel injection means M5 is provided with a transient fuel injection means M6. And on the basis of load increase between a predetermined crank angle of crank angles in which the synchronous fuel injection is carried out and the crank angle in which fuel injection is carried out right before said predetermined crank angle is obtained a fuel injection amount to control said fuel injection valve M4.
Patent JP-S53112646-A (JP)
Title: Antenna for moving body
Inventor: IWASAKI HISAO
IPC: H01Q3/24
Filed: 1977-03-12
Abstract: PURPOSE:To increase the quality of reception, by performing the diversity reception, through employing two sets of bidirectional antennas and placing them so that each beam points approximately orthogonal direction each other.
Patent JP-S57143164-A (JP)
Title: Ignition timing controller
Inventor: YOSHIDA MATSUHISA
IPC: F02P5/152
Filed: 1981-02-26
Abstract: PURPOSE:To enable to detect the degree of the presence of knocking in an ignition timing controlling device by a knock sensor, by comparing the oscillation level of the signal of the knock sensor with the memorized value of a background oscillation level on each cylinder at the time of normal running. CONSTITUTION:A sensor discriminating the angle of the rotation of a crankshaft and a cylinder is incorporated in a distributor, and ignition timing is made to delay to the region in which knocking does not surely occur during every certain period not allowing any drop of power performance by a controlling circuit 9 including a microcomputer through a driving circuit 30, the oscillation level of a knock sensor 6 at the time, that is, a background oscillation level, is picked up, and stored dividedly in a memory 22 in every region of a load determined by a running condition. Next, at the time of normal running, the degree of the presence of knocking is detected by comparing the oscillation level of the knock sensor 6 with the background oscillation level memorized by dealing with a loading condition at the time as a parameter, and ignition timing is set accurately on each cylinder.
Patent JP-S58145868-A (JP)
Inventor: MORIWAKI TOSHIJI
IPC: F24F13/22
Filed: 1982-02-23
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S54121046-A (JP)
Title: Electric wave absorbing material
Inventor: ISHINO TAKESHI
IPC: H01F1/00
Filed: 1978-03-13
Abstract: PURPOSE:To obtain a thin electric wave absorbing material for 4-8GHz bands by dispersing the mixture magnetic powder composed by mixing the ferrite powder and the metal iron powder together with a weight percent in the fixed range into the organic high-molecule material with a fixed ratio. CONSTITUTION:The mixture magnetic powder is composed by mixing the ferrite powder containing at leat one kind of the metal selected among the groups comprising Mn, Ni, Mg, zinc, Co and copper with the metal iron powder in the range of 1:0.4-9.4 wt%. Such mixture magnetic powder is then dispersed into the organic high-molecule material containing the plasticizer, hardener or the like in the range of 25-34 cubic percent to the whole, and then kneaded with the roller, the ball mill, the sand mill and the like to secure the coating form or the sheet foam. Such electric wave absorbing material is mounted or coated to the electric wave reflector in the thickness range of 1.5-3.6 mm to feature a high reflective attenuation quantity at 4-8 GHz. This absorbing material features the reduced fluctuation of the absorbing characteristics to the change of the thickness of the material, thus ensuring excellent coating performance and a high economical property.
Patent JP-S58145529-A (JP)
Title: Instrument panel pad for automobile
Inventor: NISHIHARA TADASHI
IPC: B60R21/045
Filed: 1982-02-22
Abstract: PURPOSE:To form an instrument panel to a good appearance without allowing the end part of a cluster lid to interfere with the instrument panel, by forming a stepped part approximated to the end part of the cluster lid fully peripherally of an instrument pad along an edge part of an opening of the instrument panel. CONSTITUTION:Stepped parts 12 interposed in a stage of approximating to end parts 7a, 7b of a cluster lid 7 further not interfering with an instrument panel 2 are fully peripherally formed along edge parts 8 of openings 5 in the panel 2. In this way, when a surface coating 9 is cut off in the opening 5, the coating 9 in an area of the edge part 8 is stripped off together, even if the panel 2 is exposed, the panel 2 is arranged to a base B of the part 12 in the inside of the lid 7, and an appearance is affected by no influence. Further a pad 11 is made of almost equal material to the coating 9, and no more stripping of the coating 9 is caused, then cut off work can be easily performed by hand.
Patent JP-S56125343-A (JP)
Title: Preparation of phenylenediamine or its n-substituted compound
Inventor: HARADA TAIRA
IPC: C07C211/51
Filed: 1980-03-07
Abstract: PURPOSE: To prepare the titled compound useful as an antioxidant for rubber, etc. in high selectivity, by reacting aminophenol, etc. with ammonia, etc. in the presence of a specific catalyst and a specific compound.  
     CONSTITUTION: Aminophenol or its N-substituted compound (e.g. N-phenyl-p- aminophenol) is made to react with ammonia, a primary amine or a secondary amine (e.g. isopropylamine) in the presence of an acidic catalyst (e.g. cobalt chloride) and a polycyclic aromatic compound (e.g. o-terphenyl) to afford phenylenediamine or its N-substituted compound (e.g. N-phenyl-N'-isopropyl-p-phenylenediamene, selectivity: 95%). The raw materials can also be easily obtained. 
     COPYRIGHT: (C)1981,JPO&Japio