baber/WOPTO huggingface dataset:
Patent JP-S6215279-A (JP)
Title: Chemical for petroleum third recovery use
Inventor: ITOU YOSHIAKI
IPC: C08F220/04
Filed: 1985-07-15
Abstract: PURPOSE:To obtain the titled chemical of high injectability into oil strata, improved in shear degradation resistance, by radical copolymerization in an aqueous solution between acrylamide-based monomer(s), methacrylic acie salt and water-soluble anionic monomer followed by drying the resultant gel of specific anionic modification degree to effect pulverization. CONSTITUTION:A radical copolymerization is carried out in an aqueous solution between (A) acrylamide or a monomer mixture made up chiefly of acrylamide, (B) 5-40wt%, based on the component A, of a methacrylic acid salt, and (C) 0-35wt%, based on the component A, of a water-soluble anionic vinyl monomer (e.g., sodium acrylate) followed by, if neded, partial hydrolysis of the resulting copolymer gel. The copolymer gel thus formed with an anionic modification degree 5-35mol% is dried to effect pulverization, thus obtaining the objective chemical consisting of copolymer powder.
Patent JP-H051645-A (JP)
Title: Electromagnetic fuel injection valve
Inventor: OKAMOTO YOSHIO
IPC: F02M69/04
Filed: 1991-06-26
Abstract: PURPOSE:To furnish an electromagnetic fuel injection valve improving distribution performance of spray, reducing adhesion of fuel on a central wall of a suction valve of an engine and heightening driving efficiency of the engine. CONSTITUTION:A fuel passage 17 slightly larger than an injection hole 8 and a plural number of large diametrical fuel passages 18 communicated through to each other by a communicating wall 19 are biased against a valve shaft center in the direction opposite to the swirling fuel direction in an electromagnetic fuel injection valve for a four valve engine with a means 16 to split and supply swirling fuel flow from a single spray hole 8.
Patent JP-H01319762-A (JP)
Title: Electrophotographic recorder
Inventor: KOGO AKIRA
IPC: G03G15/00
Filed: 1988-06-21
Abstract: PURPOSE:To improve working efficiency such as replacing and cleaning a conveyer belt by engaging a case mounting carrier mechanisms with the guide of a recorder main body and loading the case thereto. CONSTITUTION:The carrier mechanisms including the conveyer belt 1a, carrying a recording sheet 16, a driving roller 2 driving the belt 1a and a follower roller are mounted onto the case 4, and the guide 4a is fitted to the bottom of the case 4. It is attachable and detachable around a rail 5 fixed to the bottom plate of the recorder main body. Under this constitution, maintenance and checking such as replacing and cleaning the belt 1a are facilitated.
Patent JP-S643146-A (JP)
Title: Production of ether carboxylic acid salt
Inventor: MIWA YOJI
IPC: C07C51/00
Filed: 1987-06-23
Abstract: PURPOSE: To obtain the ether carboxylic acid salt in high conversion and purity on an industrial scale at a low cost, by alternately dripping and reacting monohalogenated lower carboxylic acids and an aqueous solution of an alkali metal hydroxide to a specific ether alcohol and repeating the addition and reaction several times.  
     CONSTITUTION: An ether alcohol of formula (R is 8W24C alkyl or alkenyl or aryl having 6W16C alkyl; A is 2W4C alkylene or their mixture; n is positive number representing the average added molar number of alkylene oxide AO) such as poly(3.8mol.)oxyethylene nonyl phenyl ether is alternately added and reacted several times with (A) an aqueous solution or alcoholic solution of a monohalogenated lower carboxylic acid such as monochloroacetic acid and (B) an aqueous solution of a caustic alkali such as NaOH under reduced pressure to obtain the objective compound useful as a surfactant having excellent biodegradability, low skin irritation and high resistance to hard water and useful as a detergent, a softener, a moistening agent, a dyeing assistant, etc. 
     COPYRIGHT: (C)1989,JPO&Japio
Patent JP-H093923-A (JP)
Title: Sand boil prevention structure due to liquefaction
Inventor: MAEDA KOUKI
IPC: E02D27/50
Filed: 1995-06-21
Abstract: PURPOSE: To prevent sand boil phenomenon due to liquefaction and suppress uneven settlement of an end of a building by installing a reinforced concrete floor slab of which one end is tightened and connected to the building between the end of the building built by floating foundation construction method and a boundary line of a lot. CONSTITUTION: A building 1 is constructed on loose sandy ground by floating foundation construction method, and a reinforced concrete floor slab 4 is installed between an end of the building 1 and a boundary line 2 of a lot. In this case, an end of the floor slab 4 is tightened and connected to an end of the building built by floating foundation construction method, and the floor slab 4 has enough strength and rigidity for preventing sand boil. Moreover, a beam is arranged to increase strength and rigidity furthermore, and it is made of prestressed concrete by the use of PC steel wires. The reinforced concrete floor slab 4 is provided on the ground, and a hanging wall 5 is arranged at an end of the boundary line 2 side of the lot. Furthermore, a groove 6 on a water drain side is supported by the hanging wall 5 when it is installed.  Consequently, it is possible to expect further effect owing to the prevention of sand boil-phenomenon including the improvement of the ground 7.
Patent JP-S5855735-A (JP)
Title: Luminous apparatus for emission spectrochemical analysis
Inventor: IMAMURA NAOKI
IPC: G01N21/67
Filed: 1981-09-28
Abstract: PURPOSE:To obtain an analyzing apparatus having high resolving power of a position, by supplying discharge electric power between an electrode and sample while oscillating the electrode and sample back and forth between each position of contact and approach. CONSTITUTION:A sample 1 and an electrode 2 sharpened the tip end are provided and the electrode 2 is oscillated in contacting and separating direction toward the sample 1 by an oscillator 3. A power source apparatus 4 for discharging a spark consists of a direct corrent power source and a capacitor C and the electrode 2 and the sample 1 are connected to said capacitor C. The oscillator 3 is driven electromagnetically in about 400Hz frequency by an output of an oscillation circuit 5. When the electrode 2 is approached the sample 1, spark discharge is generated between the electrode 2 and the sample 1 and when an electric charge of the capacitor C is discharged, the spark discharge is stopped. In this manner, the discharge is repeated. The emission spectrochemical analysis having high resolving power of a position is made possible because the discharge point is fixed accurately and is not varied.
Patent JP-S5779022-A (JP)
Title: Straightening roll of straightening machine
Inventor: EDAMOTO KAZUHIKO
IPC: B21D3/04
Filed: 1980-10-31
Abstract: PURPOSE: To perform straightening of steel pipe without leaving any impression by making an arrangement that the radius of each part along the direction of of the axis of plural straightening rolls of the bend straightening machine for steel pipe is equalized to the separated dimension between the axial line and a previously calculated deflection curve.  
     CONSTITUTION: A straightening treatment of a metallic pipe P is performed at the final stage of the manufacturing process of metallic pipe, such as electric welded pipe, forged pipe, seamless pipe. The straightening treatment is performed with a straightening machine of so called 2-1-2-1 roll type composed of alternately installed one type of stand provided with two straigtening rolls 1 and 1 and another type of stand provided with one straightening roll 2 by rotating the metallic pipe P around the axial line while it is moved along the direction of the axial line. Radii of each part along the direction of the axial line of the hand-drum-shaped straightening rolls 1 and 1 are equalized to the separated dimension betwen the axial line and a previously calculated deflection curve of the pipe P. Since a cointinous linear contacting condition is maintained between the pipe P and the straightening rolls 1 and 2, torque around the axial line becomes larger and the pipe P can be straightened without leaving any impression on the pipe P. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S5377470-A (JP)
Title: Semiconductor device and its production
Inventor: YAMAMOTO TAKESHI
IPC: H01L21/316
Filed: 1976-12-21
Abstract: PURPOSE: To make the surface processing course simple and improve yield by applying an insulating coat selectively in a PN-junction separating groove by using the printing method. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S5944103-A (JP)
Title: Antenna device
Inventor: HIDAKA KAZUTAKA
IPC: H01Q3/00
Filed: 1982-09-07
Abstract: PURPOSE:To control the directivity with one loop antenna, by dividing a loop conductor into several parts at a fixed interval and connecting a switch, to which a feeder, resistance, and short-circuit conductor are connected under a switching possible condition, to each terminal. CONSTITUTION:A loop conductor 1 is divided into four loop conductor pieces 2, 3, 4, and 5 and switches S1, S2, S3, and S4 are installed to each terminal, respectively. A feeder, resistance R, and short-circuit conductor are connected to the contacts a1 and a1', b1 and b1', and c1 and c1' of the switch S1, respectively. The other switches S2, S3, and S4 are also constituted in the same way, but, when the terminal 11 is connected to the feeder, the switch S3 of the terminal 13 facing the terminal 11 is connected to the resistance and the switches of the other terminals 12 and 14 operate so that the terminals 12 and 14 are short-circuited. This relative relationship is maintained even when other terminals are connected with the feeder, and a condition, which is equal to the condition where an antenna constituted as a unilateral directive antenna by loading the resistance R onto a location facing the feeding terminal is rotated 90 deg. by 90 deg., is realized.
Patent JP-H0445937-A (JP)
Title: Regulating device or cutting position of web writing paper
Inventor: OKAMURA YUICHI
IPC: B65H26/06
Filed: 1990-06-13
Abstract: PURPOSE:To obtain steep reduction of spoilage and steep shortening of regulation time at once by a method wherein a mark having the same action as that when a printer is actually applied onto writing paper is marked, and a relative positional relation between said mark and a cutting position is suitably regulated by changing before actual printing is operated. CONSTITUTION:A marking means 1 is composed of a marking part 2 which marks writing paper W and a control part 3 which controls the mark by said marking part 2 so as to come always to be of a specified phase in relation to a printer when printing is operated. A writing paper traveling path length changing part 7 is composed of, at least, a pair of guide rollers installed to an upstream side of a mark detecting means 4 and an adjust roller capable of getting near or away from them. The adjust roller moves for a specific distance by receiving a writing paper traveling path length changing signal Sn 61, and the mark and a cutting position on the writing paper are changed by regulation to the specific phase.
Patent JP-S5279579-A (JP)
Title: Centrifugal dehydration washing machine
Inventor: KAMORI TAMOTSU
IPC: D06F33/00
Filed: 1975-12-26
Abstract: PURPOSE: To provide a washing machine in which the number of revolution of the pulsator is made equal to the number of revolution of the dehydration vessel, without requiring large power consumption, and without deteriorating the washing performance or the dehydration performance, by setting the ratio of the height H of a periphery of the vanes of the pulsator to an arc R (H/R) to be 3-5. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-2000349061-A (JP)
Title: Manufacture of semiconductor device
Inventor: MATSUI YOSHITAKA
IPC: H01L21/304
Filed: 1999-06-02
Abstract: PROBLEM TO BE SOLVED: To remove cations specifically adsorbed on a semiconductor substrate to improve a yield and reliability. SOLUTION: A substrate is cleaned using a cathode water containing carbon monoxide molecules 18 dissolved therein and subjected to a reducing process. This causes surface charges on a wiring material 13 to be charged to the negative polarity. Accordingly, the adsorption force of cations 15 adsorbed on the wiring material 13 is weakened and the cations 15 are removed. As a result, a method for manufacturing a semiconductor device having improved yield and reliability can be obtained.
Patent JP-S6135551-A (JP)
Title: Manufacture of semiconductor integrated circuit device
Inventor: KOMORI KAZUHIRO
IPC: H01L29/792
Filed: 1984-07-27
Abstract: PURPOSE:To prevent shorting between conductive layers, by a process for removing a conductive layer in the second layer being left unnecessarily except a second conductive layer, at an end at whih a first conductive layer and the second conductive layer cross each other. CONSTITUTION:In a process for forming a gate electrode 6B of a periphery circuit after a floating gate electrode 4FG and a control gate electrode 6CG of an EPROM are formed, a conductive layer 6a which is produced when the control gate electrodes 6 are formed and which is being left unnecessarily, is removed with etching using a mask 8. In this way, since shorting between the control gate electrodes can be prevente, an erroneous operation can be prevented and electrical reliability of the EPROM can be improved.
Patent JP-S5582014-A (JP)
Title: Rotary movement connector
Inventor: AKITA EIICHI
IPC: G01D11/30
Filed: 1978-12-14
Abstract: PURPOSE: To establish the rotary movement connector in which the connection between the measurement unit and measured object can be connected with one operation, by constitution that the measurement unit is moved while rotation when the shaft is turned with the rack and pinion unit.  
     CONSTITUTION: When the rotary drive unit 6 is operated, the measuring unit moves to the measured object 4 while turning and the connection unit 3 changes from the horizontal position to the vertical position. That is, the direction of the connection section 3 can be changed while performing the rotation and movement at the same time. When the shaft 61 is turned, the pinion 68 turns via the worm 62, wormwheel 66, and the measuring unit 1 moves on the rail 7 while gearing with the rack 69. With this constitution, since the connection between the measuring unit and the integrated circuit of measured object can be made with one action, even if the position of the measuring unit requires to be changed horizontally and vertically in repeated manner, it can be processed in a short time. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S5278141-A (JP)
Title: High frequency heater
Inventor: MAEHARA TADAYOSHI
IPC: H05B6/12
Filed: 1975-12-24
Abstract: PURPOSE:To use the utilizing space effectively in the constitution of both using the heating by means of magnetron and that of electromagnetism.
Patent JP-S6216555-A (JP)
Title: Integrated circuit with single element circuit
Inventor: HIGASHIJIMA YUKIO
IPC: H01L27/00
Filed: 1985-07-15
Abstract: PURPOSE:To easily manufacture a circuit by standardizing the design of an integrated circuit so as to provide an integrated circuit with single element circuit. CONSTITUTION:By improving the circuit design and manufacturing of an integrated circuit, a circuit that can be referred to single elements or signal request is integrated to manufacture a single-element integrated circuit possessing higher integration ratio and required capability. It is made possible to also integrate a circuit that has not been integrated. With this integrated circuit, a circuit can be standardized, thus provided a new application of the integrated circuit and a new manufacture method of an integrated circuit.
Patent JP-S5582416-A (JP)
Title: Dc oil-filled electric appliance
Inventor: OOSHIMA IWAO
IPC: H02M1/00
Filed: 1978-12-19
Abstract: PURPOSE: To reduce potential concentration at the edge of insulating part material and keep its high dielectric strength, thus making appliances available small in size, by providing insulating part material having higher insulation resistance than insulating oil which is placed along the surface of metal with its edge kept apart from the surface of metal.  
     CONSTITUTION: Iron core 12 and coil 13 wound on iron core 12 are housed in tank 11 together with insulating oil 14 and, by fixing barrier 15 of insulating oil paper on the inner wall of tank 11, DC oil-filled reactor 10 and others are formed. And, keeping edge part 15a of barrier 15 of insulating oil paper apart from the inner wall and curving it inside the tank 11, the creepage withstand voltage value is set at a given value. Or it may be allowed to determine the size so that the voltage given to the part of size be smaller than the allotted voltage of insulating oil paper that is decided on the insulation resistance ratio of insulating oil and paper as well as the thickness of insulating oil paper. In this way, it is possible to prevent electric discharge at the edge of insulating oil paper to keep its high withstand voltage value and thus to make appliances smaller. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S5857076-A (JP)
Title: Start-up assisting device of diesel engine
Inventor: FURUKAWA JIYUNICHI
IPC: F02P15/00
Filed: 1981-09-30
Abstract: PURPOSE:To make it possible to start an engine with one start-up operation without fail by actuating an igniter for a prescribed period of time even after the detection of complete explosion in a Diesel engine wherein a spark igniter is provided in a sub (combustion) chamber to assist the start-up of the engine. CONSTITUTION:An igniter connected to a spark plug 4 mounted on a cylinder head so as to locate a spark gap within a subchamber is provided with a high voltage generating circuit 8 and an ignition controlling circuit 9, and generates an ignition signal responding to the output of a crank angle sensor 13. In the instance, a start-up assisting time controlling circuit 25 is further added. To this circuit 25, each output from a starter switch 11, a cooling water temperature sensor 29 and a crank angle sensor 13 is inputted. And, complete explosion is detected when a pulse signal from a sensor 13 counted by a digital counter 30 within a certain set time exceeds a preset value, and a starting relay 10 is turned off when prescribed time passes after said complete explosion detection, allowing the ignition unit to be stopped.
Patent JP-H05323194-A (JP)
Title: Rear focus type zoom lens
Inventor: YOKOTA HIDEO
IPC: G02B15/173
Filed: 1992-05-22
Abstract: PURPOSE:To obtain excellent optical performance over the entire variable power range and a general object distance range by providing four 1st-4th lens groups in order from the object side and satisfying specific conditional expressions. CONSTITUTION:The zoom lens has the 1st group with positive refracting power, the 2nd group with negative refracting power, the 3rd group with positive refracting power, and the 4th group with positive refracting power; and the 2nd group is moved to the image plane side to vary the power from the wide-angle end to the telephoto end and and variation of the image plane due to the power variation is corrected by moving the 4th group, thereby putting the zoom lens in focus. The 3rd group consists of a positive lens with an aspherical surface, the 4th group consists of a negative and a positive lens, and at least one of the lens surfaces of those negative and positive lens is made aspherical. The inequalities hold, where f3,4 are the composite focal length of the 3rd and 4th groups at the wide-angle end, Fw the focal length of the whole system at the wide-angle end, Fb the shortest distance from the lens final surface to the image plane in the entire power variation range in a state of focusing on an infinite- distance body, and Z a zoom ratio.
Patent JP-S641162-A (JP)
Title: Digital signal reproducing device
Inventor: FUJIMOTO TOMONORI
IPC: H03M1/00
Filed: 1987-06-23
Abstract: PURPOSE: To enable the reproducing without deteriorating the sound quality by converting a serial digital data input into n-bits of parallel data, latching the n-bits of parallel data by a clock masked with a carry output of m-scale counter and converting further the n-bit data into serial data.  
     CONSTITUTION: The serial digital data input is converted into the n-bits of the parallel data, and the n-bit data are latched by the clock masked with the carry output of the m-scale counter 4 inputted with an initializing signal and a count clock, whereas an output of this 1st latch 5 is latched by a clock of a sampling frequency, and then data of this 2nd latch 6 are converted into the serial data. By this method, data digitally outputted by reproducing a tape recorded digitally by an existing digital audio tape recorder device can be converted into a correct sampling frequency and then outputted, so that the reproducing can be performed without detriment to the sound quality. 
     COPYRIGHT: (C)1989,JPO&Japio
Patent JP-S5678961-A (JP)
Title: Forming method of tyre
Inventor: TAKEHARA YASUO
IPC: B29C67/00
Filed: 1979-11-30
Abstract: PURPOSE: To reduce a vulcanizing time and to nullify an energy waste by a method wheren a rubber material for tyre forming retaining a high temperature state directly after an extrusion or a rolling is wound around a tyre form former.  
     CONSTITUTION: A rubber material is mixed in a mixing mill 21 and rubber is extruded in a band type through an extruder 22 to prepare an inner equipping rubber 1. The inner equipping rubber 1 equal to one piece of tyre being pressed by a pressing roller 25 passes through an accumulator for a stocking and induced onto a former 11 via a guide plate 26, and then, the rubber 1 keeping a heated state and being pressed by a stitcher roll 12 is wound around the former 11. After the inner equipping rubber 1 is wound up to a given thickness, a tread sheet 3 being pressed by the stitcher roll 12 is wound up to a given thickness. Both end parts are cut off and an inner diameter part is cut on a slant to produce a crude tyre 28 and thereafter, it is vulcanized to be cured. An extrusion is operated in a low speed so that rubber may not be burnt. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H09321233-A (JP)
Title: Manufacturing semiconductor device
Inventor: KUNITO MASAO
IPC: H01L21/266
Filed: 1996-05-28
Abstract: PROBLEM TO BE SOLVED: To reduce steps of process for manufacturing a semiconductor device. SOLUTION: Using a p-type impurity contact layer-forming mask combined with an n-type impurity cord layer-forming mask and photo resist 15, a p-type impurity is introduced to form a p-type impurity contact layer 16 on p-type well contacts 12 and peripheral channel transistor p<+> diffused layer contact regions 13. The p-type impurity contact layer-forming mask is combined with the n-type impurity cord layer-forming mask and the impurity layers are formed in the same photo resist step. This reduces the number of masks by one, compared with in the prior art, and hence shortens TAT.
Patent JP-S6135875-A (JP)
Title: Industrial robot hand apparatus
Inventor: SAKITANI HIDEYUKI
IPC: B05C5/00
Filed: 1984-07-26
Abstract: PURPOSE:To attain the simplification and cost reduction of a line by dispensing an exclusive solvent coating station, by providing a hole to the work gripping part of a gripper part by drilling and emitting a solvent to a work through said hole. CONSTITUTION:A nozzle orifice 13 is provided to the lower part of the gripper 3 of a gripping part formed as a V-groove 3b by drilling and a predetermind amount of a solvent is emitted through said orifice 13 to be applied to the peripheral surface of the work 4. By this method, an exclusive solvent coating station becomes unnecessary and the simplification and reduction in cost of a line are attained.