baber/WOPTO huggingface dataset:
Patent JP-S6172211-A (JP)
Title: Optical fiber core and its gathering method
Inventor: MURATA HISASHI
IPC: C03C25/10
Filed: 1984-09-18
Abstract: PURPOSE:To form a high-density gathered body of high arrangement precision by providing a thin hard coating brought closely into contact with an optical fiber and a thick soft buffer coating which covers the outside of said thin hard coating and has a cut, through which the optical fiber can be taken in and out, in the lengthwise direction and removing thick soft buffer when optical fibers are gathered. CONSTITUTION:With respect to an optical fiber core, a thin hard coating 31 is brought closely into contact with an optical fiber 10, and a thick soft buffer coating 32 having a cut 33 is provided a slight gap apart from the coating 31. The optical fiber core having this structure is superior to that having a conventional structure in characteristic stability for external pressure. When optical fiber cores are gathered with a high density, a required number of optical fiber cores provided with thick soft buffer coatings having cuts are fed out by feeding devices 61a-61c, and only thick soft buffer coatings are removed by take-up devices 62a-62c, and optical fibers having only thin hard coatings 31 are introduced to an arranging device 63. Optical fibers arranged into a required shape are introduced to a coating device 64 and are covered with a soft buffer coating 51 and a protective coating 52.
Patent JP-H0975730-A (JP)
Title: Waste gas purification material and method for purifying waste gas
Inventor: ABE AKIRA
IPC: B01J23/56
Filed: 1996-07-04
Abstract: PROBLEM TO BE SOLVED: To efficiently reduce and remove NOx from waste combustion gas contg. NOx and a larger amt. of oxygen than the amt. of oxygen reacting theoretically with unburnt components such as CO, hydrogen and hydrocarbons. SOLUTION: This waste gas purification material is made of a catalyst obtd. by depositing 0.01-20wt.% (expressed in terms of Ru) Ru oxide and 0.01-20wt.% (expressed in terms of metallic elements) oxides of one or more kinds of elements selected from among Ir, Sn, Ti, Zr and Ta on a porous inorg. oxide.
Patent JP-H0358802-A (JP)
Title: Manufacture of ceramic molded form
Inventor: SHUDO CHIHIRO
IPC: B28B3/00
Filed: 1989-07-28
Abstract: PURPOSE:To mold a ceramic form, projected and without cracks, by moving ends of a cylindrical container independently from a mold when hydrostatic pressure applied to the cylindrical container is released after molding a molded form. CONSTITUTION:Ceramic powder F is sealed in a rubber container 1 made of an elastic material, and molds 2 and 3 for pressing the ceramic powder F are disposed at ends of said container 1 and hydrostatic pressure is applied to the rubber container 1 from its outer peripheral side to hydrostatically pressurize the ceramic powder and form up a molded form. Then, when hydrostatic pressure applied to the rubber container is released after the completion of molding, one or both ends of the container are moved in the axial direction individually from the molds to release the force at the end of expansion of the rubber container so that said force is not applied to the molded form. The generation of cracks on the molded form can be prevented by said arrangement.
Patent JP-H0541081-A (JP)
Title: Dynamic ram
Inventor: UCHIDA TOSHIYA
IPC: G11C11/401
Filed: 1991-08-02
Abstract: PURPOSE:To integrate highly a memory cell and to finely pack the memory cell by unnecessitate a dummy memory cell and utilizing a chip face effectively. CONSTITUTION:By the sense amplifier 112A of a left end side, the second amplifying end 114 is grounded through a capacitor 115 with roughly the same capacitance with bit lines 109, 110, by the sense amplifier 112B of a right end side, the first amplifying end 113 is grounded through the capacitor 116 with roughly the same capacitance with the bit lines 109, 110.
Patent JP-H05262761-A (JP)
Title: Arylalkylamine derivative
IPC: C07D277/48
Filed: 1992-07-21
Abstract: PURPOSE: To prepare new arylalpylamine derivative having anatagonistic action against histamine H 1 - and H 2 -receptors and useful for the prophylaxis and treatment of disorders in which histamine is involved.  
     CONSTITUTION: The compd. of formula I {R 1  is a (substituted) aryl, heteroaryl, H, 1-3C alkyl or the like; A is N or CN; E is -(CH 2 ) p - [(p) is 2 to 4], -O-(CH 2 ) p -, -S-(CH 2 ) p - or the like; Q is N or CH; R 2  is a (substituted) aryl, heteroaryl or the like; (m) is 1 to 4; Y is S, O or methylene} such as N-[7-[N-[3-(4- chlorophenyl)-3-(2-pyridyl)propyl]-N-methylamino]heptyl]-N'-[2-[[2-guanidino-4- thianolyl)methyl]thio]ethyl]urea. The compd. of the formula I is obtd. by reacting the compd. of formula II (Z is methylthio or the like) with the compd. of formula III. 
     COPYRIGHT: (C)1993,JPO
Patent JP-S6437884-A (JP)
Title: Displacement/electric conversion
Inventor: KATAOKA TERUE
IPC: G01R17/20
Filed: 1987-08-03
Abstract: PURPOSE:To detect displacement stably by passing constant currents among a central electrode and each end section electrode for a ceramic superconductor piece, at a central section and end sections of which the electrodes are fitted, and measuring voltage fluctuation between the both end electrodes due to the displacement of an applied magnetic field. CONSTITUTION:Electrodes 2, 3, 4 are set up at both ends and center of a ceramic superconductor piece 1 displaying a magnetoresistance effect by applied magnetic fields, and constant currents I are flowed among the central electrode 4 and both end electrodes 2, 3. When a magnetic field M is applied to the superconductor piece and the magnetic field M is displaced, voltage fluctuation corresponding to the displacement  x of the magnetic field M is generated between terminals (a), (b). The voltage fluctuation is measured, thus stably detecting displacement.
Patent JP-H0919511-A (JP)
Title: Hose hanging device of hydrant
Inventor: FUJITA MASARU
IPC: A62C35/20
Filed: 1995-07-05
Abstract: PROBLEM TO BE SOLVED: To position the tip nozzle of hose on the side opened corresponding to lefthand and righthand type doors by pivotally mounting the base end part of a comb- tooth constructed frame between upper and lower brackets projectingly formed on one side of a frame supporting metal fitting in a projecting state in a freely revolvable manner and supporting the leading end part of the frame in an insertion state on the other side thereof. SOLUTION: A vertical cylindrical part 7a is formed to the base end part of a comb-tooth constructed frame 7 and bearing cylindrical pieces 7b, 7c are formed to the upper and lower parts of the leading end part thereof and bracket pieces 8, 9 are formed to both side end parts of the front thereof in a forwardly projecting state.  In the comb-tooth constructed frame 7, the vertical cylindrical part 7a on the side of the base end is interposed between the upper and lower brackets 4a, 4b on the left side of a frame supporting metal fitting 3 or the upper and lower brackets 5a, 5b on the right side thereof and a pin 10 is inserted into the vertical cylindrical part 7a from the insertion holes 6 of the brackets and the base end part is forwardly supported by the upper and lower brackets so as to be freely revolvable in a horizontal direction and the leading end part is inserted into the gap between the other upper and lower brackets to be supported by the lower brackets.
Patent JP-H1137156-A (JP)
Title: Manufacture of dynamic type oil-containing porous bearing
Inventor: TANAKA TOSHIHIKO
IPC: F16C33/14
Filed: 1997-07-18
Abstract: PROBLEM TO BE SOLVED: To efficiently manufacture an oil-containing porous bearing providing a bearing surface with two dynamic grooves at both ends, and formed with a recess by enlarging an inner diameter in an area in a gap with the bearing surface. SOLUTION: A pair of forming parts 20 to form a bearing surface with plural dynamic grooves inclined in the axial direction is separately made up on an outer circumferential surface of a core rod 12. A porous body 11 is fed to this core rod 12, and it is pressed in a die, and pressure force to the inner diametral side is imparted to a part to be opposed to both these forming parts 20 of the porous body 11, and the inner diametral surface is displaced to the inner diametral side. With this constitution, this inner diametral surface is formed into a smaller diameter than an area in the interval, while this inner diametral surface is pressed to the forming parts 20 of the core rod 12, and thus these dynamic grooves in form conformed to the forming parts 20 are formed in respective inner diametral surfaces.
Patent JP-H0645549-A (JP)
Title: Semiconductor memory cell and its manufacture
Inventor: HAMADA TAKEHIKO
IPC: H01L27/108
Filed: 1992-07-22
Abstract: PURPOSE:To increase storage capacitance by constituting a lower electrode so as to have a conductor film with a stripe type unevenness on an insulative film, in a memory cell having a capacitor whose lower electrode is connected with one of source drain regions of an insulated gate field effect transistor. CONSTITUTION:The title memory cell has MOS transistors and capacitors. Each of the MOS transistors is formed on the surface of a P-type silicon substrate 1 so as to be isolated by a silicon oxide film 3, and constituted of a gate electrode 4 insulated from the substrate 1 by a gate oxide film 3, and N-type source drain 5-1, 5-2. The gate electrode 4 is coated with a first interlayer insulating film 6, and connected with a bit line 8 and the region 5-1 through a contact hole 7 which line is formed on the interlayer insulating film 6. The bit line 8 is coated with a second insulating film 9, and connected with a conductor film 11d and the region 5-2 through a contact hole 10 which film is formed on an interlayer insulating film 9 and has stripe type unevenness.
Patent JP-H0941497-A (JP)
Title: H-shape steel joint fitting
Inventor: OTSUJI SHOICHIRO
IPC: E04B1/58
Filed: 1995-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a joint fitting that can joint vertically facing H-shape steel rapidly in a longitudinal direction while being excellent in safety. SOLUTION: A space (t) between opposed inner faces 2', 2' of a groove 2 of a channel fitting 1 is formed to be gradually narrower in the depth direction of the groove 2 from the opening part 3 side, and parallel cutting edges 4 in the depth direction are formed at least one of the opposed inner faces 2'. The thickness of a base part 5 of the fitting 1 is formed large, and the thickness of both side opposed plates 6, 6 of the groove 2 is formed to be gradually smaller toward the opening part 3 from the base part 5. The opening part 3 is fitted to the flanges 7 of H-shape steel H across both sides of the longitudinal connecting end H' of the H-shape steel H, and the back face of the base part 5 is struck to make the parallel cutting edges 4 bite into at least one face of each flange 7 so as to be able to fit each flange 7 into the groove 2 of the fitting.
Patent JP-S6353163-A (JP)
Inventor: TOYODA KENICHI
IPC: B61B13/00
Filed: 1986-08-20
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-H0616733-A (JP)
Title: Production of maleimide-based heat-resistant copolymer
Inventor: FUKUMURA TAKUMI
IPC: C08F4/36
Filed: 1992-06-30
Abstract: PURPOSE:To obtain a maleimide based copolymer having simultaneously improved heat resistance and impact resistance by using a specific organic peroxide as a polymerization initiator in copolymerizing a vinyl monomer mixture containing a maleimide-based monomer. CONSTITUTION:A vinyl monomer mixture containing a maleimide-based monomer (e.g. N-phenylmaleimide) is copolymerized by using an organic peroxide of the formula (R1 and R2 are 1-2C alkyl; R is 1-5C alkyl or phenyl) [e.g. 2,2-bis(4,4-di-t-butylperoxycyclohexyl)propane] as a polymerization initiator preferably at 70-120 deg.C. Suspension polymerization is preferable as the polymerization method. The vinyl monomer mixture preferably comprises 5-90wt.% aromatic vinyl monomer such as styrene, 0-35wt.% vinyl cyanide-based monomer such as acrylonitrile, 5-30wt.% maleimide-based monomer and 0-30wt.% monomer copolymerizable with these monomers.
Patent JP-S6173105-A (JP)
Title: Gimballess type submarine optical cable branch unit
Inventor: FUNAKI YASUSHI
IPC: G02B6/44
Filed: 1984-09-19
Abstract: PURPOSE:To prevent a repeater and a submarine optical cable from being broken and parted, by connecting two pieces or more of submarine optical cables to housing containing an anchor part of a tensile strength wire, an optical fiber unit anchor part and a feed through part, and the repeater through a flange. CONSTITUTION:A submarine optical cable to which a bending yield strength has been added by a boot 19 containing a flexible tube 20 is anchored to a housing 12 by an anchor tapered pin 16 and a cable anchor part 15. An optical fiber unit drawn out into an optical fiber unit anchor part 14 is connected to a table cable at this point, and led into a flange 11 and a repeater housing 10 through a feedthrough part 13 having airtightness. Accordingly, an inflow of sea water by a deep sea prerssure is obstructed by the anchor part 15 and the feedthrough part 13, and also a tensile strength of the submarine optical cable in transferred directly to the flange 11. Also, a bending moment applied to the submarine optical cable is softened by the boots 19 containing the flexible tube 20, and the cable is prevented from being damaged.
Patent JP-H0482856-A (JP)
Title: Cyclohexanone derivative, its intermediate and production thereof
Inventor: SOTOJIMA FUKUO
IPC: C07D261/20
Filed: 1990-07-25
Abstract: NEW MATERIAL:The cyclohexanone derivative of formula I (R<1> to R<4> are H or OH-protecting group). EXAMPLE:(4S, 6R)-6-(t-butyldimethylsilyloxy)-4-(t-butyldiphenylsilyloxy)2[1hydroxy2 (2-tetrahydropyranyloxy)ethyl]cyclohexanone. USE:A raw material for the ring A fragment of a compound having vitamin D activity such as vitamin D compounds expressed by formula II. PREPARATION:The objective compound of formula I can be produced by reacting a 3-buten-1-ol compound of formula III (R<5> is R<1> to R<4>) with a peracid, reacting the obtained epoxy compound of formula IV with a propargyl alcohol compound to obtain a compound of formula V, reducing and oxidizing the compound, reacting with nitromethane to form a new nitro compound of formula VI, cyclizing the product and finally subjecting the resultant new compound of formula VII to reducing hydrolysis.
Patent JP-S5983730-A (JP)
Title: Recovery of minute amount of metal ion
Inventor: HIROTSU TAKAHIRO
IPC: C22B3/00
Filed: 1982-11-05
Abstract: PURPOSE:To recover a minute amount of a metal ion in good efficiency, by contacting chelate resin having a malonyl dihydroxum acid residue with an aqueous solution containing a minute amount of the metal ion as an adsorbing material. CONSTITUTION:Chelate resin having a malonyl dihydroxamic acid residue is used as an adsorbing material to be brought into contact with an aqueous solution containing minute amounts of a transition metal ion, a lanthanide group metal ion and an actinide group metal ion in such as seawater, mine waste water, the waste water of an atomic power plant or an aqueous solution containing used nuclear fuel to adsorb minute amounts of metal ions by the above mentioned adsorbing material. In the next step, said metal ions are desorbed by a mineral acid to be recovered in good efficiency. The above mentioned chelate resin is obtained by a method wherein insoluble resin having a malonic dialkyl ester residue is suspended in an org. solvent containing hydroxylamine to be reacted in the presence of an alcoholate catalyst such as methanol and the resulting reaction product is converted to hydroxamic acid.
Patent JP-H0729634-A (JP)
Title: Waterproof connector
Inventor: SUGIYAMA NORIO
IPC: H01R13/52
Filed: 1993-07-13
Abstract: PURPOSE:To enhance the ease of manufacture and reliability of a waterproof connector by enabling an air hole to be easily secured, and enhancing the retaining force of an air-permeable tube. CONSTITUTION:An air-permeable tube 45 is fitted around a metallic pipe 41 and a terminal 29 to be fitted into a connector is crimped against the metallic pipe 41. The outer periphery of the air-permeable tube 45 may be compressed by a thermally contracting tube 47. Soldering may be carried out at the crimped portion of the terminal 29 with the metallic pipe 41. Also, the waterproof connector may have the air-permeable tube 45 fitted around a rod-shaped stopper having an air hole and secured to the inside of the connector via the stopper.
Patent JP-H0281847-A (JP)
Title: Form rotating and conforming system
Inventor: BARII POORU MANDERU
IPC: B65H9/16
Filed: 1989-07-26
Abstract: PURPOSE: To provide a compact and simple constitution in a sheet rotating and registration system for a copying machine or the like by stopping one roller when sensors of a pair of crowned roller detect a sheet, rotating the sheet, and actuating a scuffer means to register after restarting the stopped roller. CONSTITUTION: As a sheet 12 invades to choke a sensor 35, rotation of a roller 25 is stopped, while rotation of a roller 20 is continued. The sheet 12 is thus rotated by 90 degree. As the rotated sheet 12 chokes a sensor 38, rotation of the roller 25 is restarted. As the sheet 12 get apart from nips of the crowned rollers 20, 25, it is registered to a wall 14 by a scuffer roller 30. In this constitution, a device constitution can be compacted and simplified.
Patent JP-H0365598-A (JP)
Title: Growing of bismuth-substituted garnet crystal
Inventor: UCHISHIBA HIDEMA
IPC: C30B29/28
Filed: 1989-07-29
Abstract: PURPOSE:To grow garnet crystal capable of performing 45 deg. rotation of plane of polarization with thin film thickness and reduce crack of grown crystal by growing crystal with controlling Bi2O3/2Tb4O7 molar ratio in a liquid phase- growing solution in a specific range. CONSTITUTION:A crystal is grown as following in forming bismuth-substituted garnet thick film expressed by formula II on an optical garnet base plate expressed by formula I or neodymium.gallium.garnet base plate by liquid phase- growing method. Namely, said bismuth-substituted garnet crystal is grown with controlling molar ratio of Bi2O3/2Tb4O7 in a liquid phase-growing solution in a range of 115-142. By said growing method of crystal, bismuth-substituted garnet crystal film having larger Faraday's rotating coefficient such as 2250 deg/cm comparing to conventional method is able to be grown. Then, defect of the grown crystal film is reduced, thus crack (break) of grown crystal or based plate is able to be considerably reduced.
Patent JP-H07100274-A (JP)
Title: Button hole sewing machine with needle thread cutting and tightening device
Inventor: ERUNSUTO ARUBUREHITO
IPC: D05B65/02
Filed: 1994-08-19
Abstract: PURPOSE: To provide a needle thread cutting/fastening device for button-holing sewing machine with which the perfect result can be easily provided in the case of sewing the end of a needle thread. CONSTITUTION: In order to functionally divide the lateral action and open action of a thread cutting/fastening device 27 and to control these two actions, a cam mechanism 18 has respectively peculiar cams 13 and 15, and the positions of these cams 13 and 15 can be at least partially, mutually and relatively adjusted.
Patent JP-H0357582-A (JP)
Title: Laser beam welding machine
Inventor: KUBOTA HIROYA
IPC: B23K26/21
Filed: 1989-07-27
Abstract: PURPOSE:To improve optical axis adjusting accuracy at the time of welding by providing a rotary table to mount a fiber optical part and a laser beam emitting optical part and performing laser beam welding without moving workpieces. CONSTITUTION:An optical axis of the workpieces 5a and 5b held by collect chucks 6a and 6b is adjusted by a Z stage and an X-Y stage 4. A laser beam led by the fiber optical part 2 is emitted to a machining point from the laser beam emitting optical part 8. The laser beam emitting optical part 8 moves to the optional position around the workpieces 5a and 5b by rotation of the rotary table 9 to perform spot welding. After spot welding, the laser beam emitting optical part 8 again makes one round around the workpieces 5a and 5b to perform seam welding. By this method, since laser beam welding can be performed without moving the workpieces, optical axis adjusting accuracy at the time of welding can be improved.
Patent JP-2000027556-A (JP)
Title: Ventilation structure
Inventor: TOKASHIKI SATORU
IPC: E06B7/02
Filed: 1998-07-10
Abstract: PROBLEM TO BE SOLVED: To provide ventilation structure, in which even the lines of a sight from others, etc., passing on the outside can be interrupted while ensuring air permeability. SOLUTION: A third plate-shaped member 23 bent in a saw blade shape is arranged between oppositely disposed first plate-shaped member 21 and second plate-shaped member 22. The above-mentioned first, second and third plate- shaped members have vent holes 21a, 22a, 23a, 23b respectively while the above- mentioned vent holes 21a, 22a, 23a, 23b are formed at places, where linear sunlight reaching from the outside of the first or second plate-shaped members is interrupted.
Patent JP-2000032406-A (JP)
Title: Electronic watermark insertion system to digital signal
Inventor: OOAMI RIYOUMA
IPC: G06T1/00
Filed: 1998-07-10
Abstract: PROBLEM TO BE SOLVED: To provide an electronic watermark system, where the detection rate is improved while suppressing deterioration in quality of a digital signal by taking deterioration in an image due to irreversible compression into account so as to insert an electronic watermark to the digital signal. SOLUTION: A linear conversion circuit 50 applies linear conversion to a digital signal to calculate an original signal conversion coefficient. A quantizer 51 quantizes the original signal conversion coefficient and provides the output of a quantized value and quantization information, and an inverse quantizer 53 applies inverse quantization to the quantized value to obtain an inversely quantized value. A unit visual sense/ audible sense distortion calculation circuit 55 calculates unit visual sense/audible sense distortion for each original signal conversion coefficient, a watermark signal generating circuit 54 calculates a watermark signal based on the original signal conversion coefficient, electronic watermark information, the inversely quantized value, the quantization information and the unit visual sense/audible sense distortion.  In this case first the circuit 54 calculates an object signal to insert the electronic watermark, then calculates a watermark signal to correct the quantized value, an adder 5 adds the watermark signal to the quantized value, and a code converter 56 converts the result of sum into a code string.
Patent JP-H0360967-A (JP)
Title: Work separating polishing method and separating tool and polishing device
Inventor: KOBAYASHI HISAMINE
IPC: B24B31/073
Filed: 1989-07-28
Abstract: PURPOSE:To perform reliable polishing of each work in a separated state by a method wherein the work and a free separating tool are alternately arranged in an annular vibration barrel tank. CONSTITUTION:A free separating tool 7 and a work 6 are fed in an annular vibration barrel tank 3 to polish the work. This method prevents collision of the works 6 with each other. Further, since the separating tool 7 reliably separate the works 6 from each other, the presence of remaining work 6 can be inspected.