baber/WOPTO huggingface dataset:
Patent JP-H11197761-A (JP)
Title: Positioning method of panel in press die
Inventor: SAIKI YASUMASA
IPC: B21D28/14
Filed: 1998-01-13
Abstract: PROBLEM TO BE SOLVED: To precisely position a panel to a shearing die by pressing the panel to an excess thickness portion and a die face shaped portion of a lower die with an outside pad arranged at the upper excess thickness portion and die face shaped portion previous to a pad arranged at the upper parts-shaped portion at the time of ' positioning the pressed panel. SOLUTION: The excess thickness portion and the die face shaped portion in the shape 10 which is worked with the shearing die under numerical control to the formed panel 1, are pressed with the outside pad 20 of the upper die at the same portion of the lower die previous to the pad 19 at the parts shaped portion, and the panel 1 is pressed with the pad 19 into the shape 10 in the lower die to position the parts shaped portion. Therefore, since the panel can be worked at the working position corresponding to the theoretical value of the shearing position, in a boring position of the panel which is twisted with spring back, the formation can be finished at almost one time trial.
Patent JP-S52121889-A (JP)
Title: Inside face grinding stone
Inventor: HASHIMOTO MASAHIRO
IPC: B24D5/00
Filed: 1976-04-05
Abstract: PURPOSE: To provide a grinding stone in which arrangement of groove is adapted to eliminate swarf with facility to the radial direction and thrust direction of the grinding stone. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S63206969-A (JP)
Title: Information recording and reproducing device
Inventor: KASHIMURA MAKOTO
IPC: G11B21/02
Filed: 1987-02-23
Abstract: PURPOSE:To prevent a head part from being damaged even if a device is given a shock by providing a lead screw with unthreaded portions at its ends and having a means capable of fixing the head when the head is situated on the unthreaded part. CONSTITUTION:The lead screw 5 is formed with unthreaded parts 8b on both ends, and then a frame body 2 is fixed with a flat spring 9b on an inner surface of its arm part 2b, whereas a head main body 4 movable along a guide shaft 3 is enabled with its side surface to be in contact with said flat spring 9b. For example, when the head main body 4 is moved up to press the flat spring 9b in the direction of (b), an engaging member 6 of the head main body 4 is brought under the engagement condition with the unthreaded portion area 8b of the lead screw 5, so that the head main body 4 is never vibrated up and down, keeping in the pressed condition by the flat spring 9b. In this way, even if a device is given a shock, various parts inside the head will never be damaged at all.
Patent JP-H01212427-A (JP)
Title: Manufacture of electrode foil for aluminum electrolytic condenser
Inventor: SUZUKI KATSUNORI
IPC: H01G9/04
Filed: 1988-02-19
Abstract: PURPOSE:To augment the static capacitance while maintaining the mechanical strength by a method wherein, after performing DC etching process in the water solution containing aluminum ion, multistage etching processes of over two stages are performed. CONSTITUTION:DC etching process in current density of 3-70A/dm<3> is performed in the water solution at a liquid temperature of 50-100 deg.C containing 2-5% of hydrochloric acid, 5-35% of sulfuric acid and 0.5-8% of aluminum ion and then multistage etching processes are performed at least in two stages. In other words, etching pores are produced in the first stage to be deposited deeper and larger after the second stage etching process. Through these procedures, the surface space can be expanded while maintaining the mechanical strength.
Patent JP-S57152707-A (JP)
Title: Oscillator having series capacity
Inventor: EBIHARA HEIHACHIROU
IPC: H03K3/03
Filed: 1981-03-17
Abstract: PURPOSE:To make an analogical check possible, by fixing the potential of the input terminal an amplifier in DC in the circuit where the input terminal of the amplifier is led out through a capacity element. CONSTITUTION:The input terminal of an inverter 6 (amplifier) for oscillation is led to the outside of an integrated circuit through a capacity element. An oscillator is connected between the input terminal and the output terminal to oscillate. A transistor TR 12 is connected directly to the input terminal of the inverter 6 without interposition of the capacity element, and the other terminal of the TR 12 is connected to the level ''H'' or ''L''. Since a control signal is applied to the gate terminal of the TR 12 to fix the input terminal of the inverter 6 to the ''H'' or ''L'' level, an analogical check concerning a leakage current is possible.
Patent JP-H02218157-A (JP)
Title: Semiconductor integrated circuit device
Inventor: KURODA KENICHI
IPC: H01L27/10
Filed: 1989-02-20
Abstract: PURPOSE:To improve integration density by constituting the dielectric film of an information storage capacity element of a dynamic type storage element and the tunnel insulating of a nonvolatile storage element so as to be thinner than the gate insulating film of a MISFET. CONSTITUTION:A semiconductor integrated circuit device is provided with the following parts: a memory cell DM (dynamic type storage element) of a DRAM; a memory cell FM (nonvolatile storage element) in a FLOTOX structure; and MISFETs (Qn1, Qn2, Qp1 and Qp2) in peripheral circuits. In this device, a dielectric film 8 of an information storage capacity element C of the memory cell DM and a tunnel insulating film 8 of a field effect transistor Qf of the memory cell FM are constituted to be thinner than a gate insulating film 6 or 12 of the MISFET. As a result, the charge storage in the information storage capacity element C can be improved, and the occupied area of the memory cell DM can be reduced. Thus the integration density of the DRAM can be improved.
Patent JP-H02218145-A (JP)
Title: Semiconductor device
Inventor: TSUJIMOTO KOICHI
IPC: H01L21/76
Filed: 1989-02-20
Abstract: PURPOSE:To check the operation of a device without deteriorating production efficiency by forming a monitoring element for checking the operation at the adjacent part of the power-supplied bipolar transistor of a semiconductor integrated circuit. CONSTITUTION:A monitoring element for checking operation is provided at the adjacent part of the power-supplied bipolar transistor or a semiconductor integrated circuit. At least one place of a diffused layer 7 of the monitoring element is in contact with a dielectric isolation layer 5. A metal wiring layer 14 of the monitoring element is guide out to a checking terminal pad 16. Under the wafer state, leaking currents in the reverse direction in the monitoring element region 7 and a silicon substrate 1 which is short-circuited to a collector region 6 that is the N-type conductivity layer of the vertical bipolar transistor are measured. Thus, whether crystal defects occur or not can be judged on the basis of dielectric isolation. In this way, the operation can be checked without deterioration production efficiency.
Patent JP-S62197610-A (JP)
Title: Engine valve
Inventor: KAWAUCHI HIDETO
IPC: C22C14/00
Filed: 1986-02-25
Abstract: PURPOSE:To aim at reducing the cost of an engine valve, by welding a high heat resistant titanium alloy member to a low heat resistant titanium alloy to forma titanium alloy valve so that the use amount of high expensive alloy is reduced. CONSTITUTION:A high alloy titanium alloy material (for example, Ti-6Al-2Sn-4 Zr-2Mo) 1 is used for the bevel section of an engine valve, which requires heat- resistance in particular. Further, normal titanium alloy (such as Ti-6Al-4V) 2 is used for the shank of the valve. Further, the bevel section and the shank are welded at 3 in the drawing to obtain a given engine valve. Thereby it is possible to reduce the use amount of titanium alloy so that titanium alloy valves which are excellent in heat resistance may be produced at a low cost.
Patent JP-H09328481-A (JP)
Title: Production and purification of alpha-hydroxycarboxylic acid dimeric cyclic ester
Inventor: SHIIKI YOSHIYA
IPC: C07B41/12
Filed: 1997-02-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for economically and efficiently producing an α-hydroxycarboxylic dimeric cyclic ester from the corresponding α- hydroxycarboxyllc acid oligomer, and to provide a method for economically and efficiently purifying a crude α-hydroxycarboxylic acid dimeric cyclic ester. SOLUTION: The method for producing and purifying the subject compound is as follows: (1) a mixture comprising an α-hydroxycarboxylic acid oligomer and at least one kind of high-boiling polar organic solvent 230-450 deg.C in boiling point is heated under normal or reduced pressures at such a temperature as to depolymerize the oligomer, (2) the oligomer is dissolved in the solvent until the remaining rate of the oligomer in the melt phase comes to <=0.5wt.%, (3) the heating is further continued at the above temperature to depolymerize the remaining oligomer, (4) the dimeric cyclic ester produced is distilled out together with the high-boiling polar organic solvent, and (5) the aimed dimeric cyclic ester is recovered from the distillate.
Patent JP-S57152998-A (JP)
Title: Optical recording medium
Inventor: ETSUNO NAGAAKI
IPC: G11B7/24015
Filed: 1981-03-17
Abstract: PURPOSE:To provide an optical recording medium that is capable of maintaining the records stably for long time by constituting the substrate with a transparent plastics, and putting a transparent film that consists of an inorganic material in between the substrate and a recording material layer. CONSTITUTION:Thin transparent films 5 and 5' that consists of inorganic material such as SiO2 is formed by vapor deposition on one face of a substrate 1, 1', made of transparent plastic such as acrylic resin. Next, recording layers 6 and 6' made of vapor depositions of Te, etc. are formed. After organic recording material layers 2 and 2' are formed as needed respectively on the inner faces of two substrates that form inorganic thin films (SiO2) and vapor deposited recording layers (Te) in this way, gaskets 3 and 3' made of metallic material such as aluminum, etc. are provided at the outer and inner circumferences of the substrates 1 and 1', and the above mentioned recording layers 6 and 6' are pasted together with epoxy resin with their front faces facing each other, and the air space 4 formed by the substrates 1 and 1' and gaskets 3 and 3' is filled with dry nitrogen to obtain a desired light recording medium.
Patent JP-S56137000-A (JP)
Title: Electrodeposition coating method
Inventor: TAKAHASHI SHIYUNICHI
IPC: C25D13/20
Filed: 1980-03-26
Abstract: PURPOSE: To enable to omit conventional drying and dewatering process and save heat energy considerably by coating electrodeposition paint on the substrate which remains wet with water after pretreatment for painting and washing, then immersing the same into the electrodeposition paint in an electrodepositing tank and performing electrodeposition coating.  
     CONSTITUTION: The water-base electrodeposition paint in an electrodepositing tank 1 is forcibly fed 3 into a spraying part 4, and is spray-coated to the substrate A, while wet, which has been fed into the spraying part 4 by a conveyor past a pretreatment process and a washing process. Next, the substrate A having undergone the primary film forming treatment in the spraying part 4 is sent into the tank part 1, and is immersed in the electrodeposition paint in the tank 1, whereby it is electrodeposition coated. As a result, the drying and dewatering process after washing which has hitherto been required is completely omitted. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S52120901-A (JP)
Title: Electroslag melting
Inventor: WATANABE SEIZOU
IPC: C22B9/00
Filed: 1976-04-05
Abstract: PURPOSE: To improve the yield of the slag and to carry out the stable casting by the electroslag melting while preventing the lowering of temperature and fludicity, by melting the slag to be used for the electroslag melting method by the high frequency induction heating and by maintaining the slag at an appropriate temperature. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S53123942-A (JP)
Title: Production of optical fibers
Inventor: YOSHIMURA KOUZOU
IPC: C03C25/10
Filed: 1977-04-04
Abstract: PURPOSE: To obviate disconnection by mounting and make possible the adjustment of film thickness by using coating baths wherein the size of the opening where fiber passes is made adjustable at the time of coating plastic liquid to the fiber surface immediate after heating and spinning a glass mother material. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H09215007-A (JP)
Title: Video signal processing circuit
Inventor: KAGAWA TAKASHI
IPC: H04N9/88
Filed: 1996-02-01
Abstract: PROBLEM TO BE SOLVED: To provide the reproduced output of a chroma signal when drop-out is generated only in a reproduced luminance signal but drop-out is not generated in the chroma signal concerning a video signal processing circuit to be used while sharing a 1H delay circuit for drop-out correcting processing and the crosstalk removal of the chroma signal at the reproducing system of a VTR. SOLUTION: The output of a 1H delay circuit 3 and a signal from an input terminal 1 are supplied to a subtraction circuit 5 consisting of a comb line filter. Thus, even when the luminance signal drops out but the chroma signal does not drop out, the chroma signal can be provided from the output of the subtraction circuit 5 at the intervals of 1H. Besides, when drop-out is generated, a limiting operation inside a feedback loop consisting of a noise reduction circuit is stopped and a coefficient is increased. This processing is performed while using a drop-out pulse. Therefore, the chroma signal can be provided even in a line next to the period in which drop-out is generated.
Patent JP-H02218426-A (JP)
Title: Super high pressure generating and maintaining apparatus
Inventor: IKUTA KAZUNARI
IPC: B01J3/08
Filed: 1989-02-18
Abstract: PURPOSE:To maintain a super high pressure by composing the title apparatus with a block body of a steel having a cavity which enables the block to be shot into with a high speed bullet and a material set in the bottom of the cavity. CONSTITUTION:A high speed bullet 1 is accelerated electromagnetically and shot into a steel block body 2 by an optional shooting means at close range from the block and struck to a cavity C of the block body 2. The high speed bullet is shot into a chamber 2c passing open side wall 2a and a passing part 2b. At the time, the bullet 1 becomes a fluid rapidly by high heat generation and applies super high pressure to a material 3 placed in the conical bottom 2d. The super high pressure becomes 500,000 to 1,000,000atm pressure. The fluid is solidified by a large thermal energy of the block body 2, gathers in the chamber 2c, and continuously imparts a constant pressure to the material. By this method, a diamond with excellent crystallinity is synthesized from the material.
Patent JP-S56136345-A (JP)
Title: Agitator
Inventor: NAKAMURA SHIYOUZOU
IPC: B29B9/00
Filed: 1980-03-28
Abstract: PURPOSE:To provide the agitator capable of agitating sufficiently by oppositely attaching a plurality of sets of blade of specified shape to an agitating rod at vertically staggered positions. CONSTITUTION:In the agitator which has the blades fitted to the agitating rod and is provided in a raw liquid tank for mixing fillers and the like into a raw liquid for use in reactive injection molding, the plural sets of the blades 6A, 6B are oppositely fitted to the agitating rod 5 at vertically staggered positions. One of the oppositely arranged blades 6A, 6B is provided with an inclination angle theta which is opposite to that of the other. It is preferable to form the blades 6A, 6B with a V-shaped cross section and to position the blades in such a manner that one flat part of the blade is horizontal and the other flat part thereof is directed downwards, while one flat part of the other blade is horizontal and the other flat part thereof is directed upwards. In addition, it is preferable to set the angle theta formed between the two flat parts of the V-shaped section to be 10-90 deg..
Patent JP-S62197663-A (JP)
Title: Heat engine using reformed fuel
Inventor: YOSHIKAWA HIDEO
IPC: F02M25/00
Filed: 1986-02-26
Abstract: PURPOSE:To accelerate the combustion speed and reduce NOx from exhaust gas by mixing a part of fuel and high temperature moisture to be reformed to hydrogen and carbon monoxide, and then burning said reformed gas with ordinary fuel. CONSTITUTION:One part of fuel in a fuel tank 21 is supplied to an evaporation chamber 11 of a reformer 9 through a pipe 24, and the other part of fuel is injected into a combustion chamber 2 through a pipe 27 by a fuel pump 3. Also, a part of fuel supplied to the reformer 9 is heated by an exhaust gas pipe 8, which has become high temperature due to exhaust gas from a combustion part 1, to become high temperature and pressure gas in the evaporation chamber 11. On the other hand, steam heated by a steam heater 10 is supplied into the evaporation chamber 11 through a filler hole 20 to be mixed with high temperature and pressure gas of fuel. And, this mixed gas is passed through reforming catalyser 12 to be reformed to hydrogen and carbon monoxide, and cooled by a heat exchanger 15, and then mixed with air at an intake part 6 to be supplied into the combustion chamber 2.
Patent JP-S51114861-A (JP)
Title: Plane discharge display element
Inventor: OSHISHIBA SHIGEO
IPC: H01J17/49
Filed: 1975-04-02
Abstract: PURPOSE: A high-brightness and high-efficiency element is obtained by constituting the element with a cathode which structures concave space and with an annode which is provided on a transparent insulator wall that is provided as if to cover the cathode. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S62198030-A (JP)
Title: Dust removal method for cathode-ray tube
Inventor: SHIMIZU HITOSHI
IPC: H01J9/38
Filed: 1986-02-26
Abstract: PURPOSE:To remove dust in a cathode-ray tube effectively, by applying a voltage to generate a corona discharge between an inside electroconductive membrane connected with an anode terminal and a nozzle electrode inserted through a neck opening, to neutralize the static charge of the dust in the tube, and producing a plenty of ions by the corona discharge to inject the gas. CONSTITUTION:While a corona discharge is generated between a needle form electrode 18 of a nozzle electrode 17 and an inside electroconductive membrane 5 by a voltage generating source 19, a gas is injected from a gas injection hole 17 into the tube. Furthermore, by giving a mechanical shock of a shock hammer 11 or a supersonic wave vibrator 12 from the outside, the dust to drop easily can be removed by the injected gas and the mechanical shock. Whereas the dust no to drop easily owing to the static charge loses its charge by the ions generated by the corona discharge between the inner conductive membrane 5 and the needle form electrode 18, and now is easily removed.
Patent JP-S55132037-A (JP)
Title: Manufacture of semiconductor device
Inventor: YONEZAWA TOSHIO
IPC: H01L21/265
Filed: 1979-04-02
Abstract: PURPOSE:To decrease manufacturing cost by a method wherein an impurity ion is implanted in a semiconductor layer in the same means, and then pn-junction is formed through heat treatment by means of laser beam. CONSTITUTION:A semiconductor device manufacturing device is obtained through combining and coupling a semiconductor wafer container 1 for ion implantation, an ion generating source 2 and a laser beam generator 3. Under constituting such manufacturing means, an ion is generated from the ion generating source 2, the impurity ion is implanted on a wafer arranged in the wafer container 1, and a laser beam from the laser beam generator 3 is irradiated to an ion-implanted region to produce pn-junction through heat treatment. It is then not necessary to transfer the wafer, leading to cost lowering; it is also not necessary to heat annecessary portion of the wafer, thus minimizing an occurrence of a crystal defect due to heat shock.
Patent JP-S52122475-A (JP)
Title: Production of semiconductor device
Inventor: FUJII TOSHIYUKI
IPC: H01L21/31
Filed: 1976-04-07
Abstract: PURPOSE: To prevent film cracking by beforehand forming plural grooves in insulation films, and laser-scribing the grooves or their middle part, then cracking to chips. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S59163285-A (JP)
Inventor: TERASAWA HIROYASU
IPC: B66B1/40
Filed: 1983-03-09
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-S60182928-A (JP)
Inventor: KATOU TADASHI
IPC: G02B23/26
Filed: 1984-03-01
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-H01214883-A (JP)
Title: Toner concentration control method
Inventor: SUMITA HIROYASU
IPC: G03G15/08
Filed: 1988-02-24
Abstract: PURPOSE:To accurately control toner even in case of dirt of a texture by multiplying the preceding measured texture voltage by a certain coefficient and using this result voltage as the reference voltage which is used as the threshold to discriminate a pattern voltage and a texture voltage. CONSTITUTION:A read pattern 10 is formed on the outside of an image area 11 on a photosensitive drum 1. The pattern 10 is electrically read by a pattern sensor 8 and converted to a pattern voltage Vsp, and the texture of the drum 1 is electrically read and converted to a texture voltage Vsg. Toner is replenished to a developing device 4 in accordance with a ratio of data of the voltage Vsg to the voltage Vsp. The prescribed reference voltage which is used as the threshold to discriminate voltages Vsp and Vsg is set to the value obtained by multiplying the preceding measured texture voltage Vsg by a certain coefficient. Thus, the toner concentration is always accurately controlled through the reflectance of the texture part is reduced because of the secular change of the photosensitive body, toner sticking, or the like.
Patent JP-S56135993-A (JP)
Title: Far infrared electromagnetic wave oscillator
Inventor: NISHIZAWA JIYUNICHI
IPC: H01S5/14
Filed: 1980-03-27
Abstract: PURPOSE:To generate the electromagnetic wave of the far infrared without requiring a light source for incidence by a method wherein the electromagnetic wave having quantum energy near the quantum energy of an optical phonon is positively fedback, and a current is flowed to a semiconductor. CONSTITUTION:A GaP crystal 3 is fitted with an electrode 6 to allow a current from a DC power source 6 to be flowed thereto. Reflectors 1, 2 are arranged on both sides of the GaP crystal 3. With the propagation of the phonon in a polariton mode throughout the crystal, the current is flowed to cause a collision ionization to transit electrons of an impurity excited at a high energy level to a low level. Thereby, the phonon is discharged and the phonon in a polariton mode is discharged and amplified.
Patent JP-H08230071-A (JP)
Title: Re-belt retreaded tire and production thereof
Inventor: TAMURA AKIRA
IPC: B29K21/00
Filed: 1995-02-28
Abstract: PURPOSE: To suppress the cut piercing trouble or separation trouble of a re-belt retreaded tire by making the diameter of the steel cords of the belt layer bonded to a base tire larger than that of the steel cords of a peeled-off belt layer and that of the steel cords of the outermost belt layer left to the base tire. CONSTITUTION: A residual tread is removed from a tire equipped with a belt consisting of steel cords by buffing and one or more damaged outside belt layer among a plurality of the belt layers constituting the belt is peeled off to form a base tire. A new one belt layer consisting of steel cords and a new tread are bonded to the base tire. Herein, the diameter of the steel cords of the new one belt layer to be bonded is made larger than that of the steel cords of the peeled-off belt layer and that of the steel cords of the outermost belt layer among the belt layers left to the base tire.