baber/WOPTO huggingface dataset:
Patent JP-S58100372-A (JP)
Title: Air cooled fuel cell
Inventor: IDE MASAHIRO
IPC: H01M8/24
Filed: 1981-12-09
Abstract: PURPOSE:To reduce flow resistance of cooling air from a manifold and decrease blower capacity to reduce electric power of a blower by installing triangular or semicircular introducing guides between stacked unit surfaces between adjacent cooling plates. CONSTITUTION:A triangular introducing guide 8 is installed on a stacked unit surface S' between adjacent cooling plates 3. This guide 8 consists of a carbon material and its surface is covered with silicon carbide, SiC, to make an insulator. The covering material is not limited to silicon carbide, and other electrolyte resistant, nonconductive, and heat resistant materials are also used. A semicircular shape is also used as a shape of the introducing guide 8. By installing many grooves on the surface of the introducing guide 8, the surface area is increased and cooling effect is improved. The introducing guide 8 may be bridged between faced surfaces of a manifold 7 in a specified space and welded to the stacked unit surface S' when the manifold is set.
Patent JP-S6175973-A (JP)
Title: Seal impression collator
Inventor: NARA KIYOYOSHI
IPC: G06K9/00
Filed: 1984-09-22
Abstract: PURPOSE:To attain the objective collation of seal impressions in an easy and quick way by displaying both a reference seal print and a seal print to be collated with superposition on each other together with the quantitative display of the superposition factor and changing the color of the quantitative display in response to the density ratio. CONSTITUTION:A reference seal print and a seal print to be collated are displayed on a color CRT in red and green colors respectively. The superposed area of both seal prints is displayed in a yellow color. Thus the degree of collation can be decided visually and easily. Then the superposition factor and the density ratio are calculated from both seal prints. The superposition rate is displayed on the color CRT in a percentage by a character display controller and in a prescribed color in response to the value of the density ratio. This attains the more objective and accurate collation of seal impressions.
Patent JP-H0248808-A (JP)
Title: Balanced mixer
Inventor: TANAAMI SHIGEYUKI
IPC: H03D9/06
Filed: 1988-08-10
Abstract: PURPOSE:To prevent a signal from leaking to a high frequency signal terminal by connecting a diode offset voltage element to part of a line, and using the offset voltage so as to balance two diodes. CONSTITUTION:A diode offset voltage terminal 14 is arranged to a tip of a microstrip line 4 via a gold wire L1 and an IF signal terminal 13 is arranged via a DC block capacitor C1. Then the terminal 14 connects to a slider of a variable resistor VR and both tend terminals of the variable resistor VR are connected respectively to a positive and a negative voltage. Thus, the resistor VR is operated and a minute offset voltage is applied from the terminal 14, then the characteristic of diodes X1, X2 is adjusted to be balanced by an offset voltage. Thus, even if the characteristic of diodes X1, X2 is not balanced, the balance of local oscillation signals S1, S2 is kept and the leakage of the signal to a terminal 11 is prevented.
Patent JP-H1078504-A (JP)
Title: Luminous flux dividing element
Inventor: IIZUKA TAKAYUKI
IPC: G02B5/18
Filed: 1997-07-09
Abstract: PROBLEM TO BE SOLVED: To provide a luminous flux dividing element which generates even number of different light beams and can enhance diffraction efficiency higher than the conventional element. SOLUTION: Belt-like reference phase patterns P1, P2,... are formed so that the phase differences given in a pitch are nonlinearly varied and the given phase differences are made unsymmetrical centered around any points within the pitch. Moroever, the patterns P1, P2,... have a phase gap ΔP between adjacent reference phase patterns and the gap ΔP is set to satisfy the condition of 0.7π<|ΔP|<1.2π.
Patent JP-H0540087-A (JP)
Title: Method for measuring and controlling concentration of element in semiconductor
Inventor: FUJIOKA HIROSHI
IPC: H01L21/66
Filed: 1991-08-08
Abstract: PURPOSE:To measure the concn. profile of the element in a semiconductor within a short time and to control the growth of a membrane in situ. CONSTITUTION:The optical data of a semiconductor is measured by ellipsometry and converted to an element concn. profile on reference to the data base of preliminarily accumulated optical data/composition data. By this constitution, the concn. profile of impurity is calculated and the composition file of a two- component type semiconductor during the growth of a membrane is hourly calculated to be fed back to a growing condition.
Patent JP-H02147067-A (JP)
Title: Hirudine coat organism phase soluble material
Inventor: RARUFU KEI ITOO
IPC: A61L33/00
Filed: 1989-08-02
Abstract: PURPOSE: To obtain a useful bio-compatible thrombus resistant material, by fixing a thrombus formation inhibitor agent hirudin or its active analog or its fragment, to a synthetic bio-compatible material by undercoating layer, without risking its thrombus formation inhibition activity. CONSTITUTION: This material contains a synthetic bio-compatible material, a bio-compatible undercoating layer attaching to at least one face of the above material, and the hirudin or its active analog or fragment as a thrombus formation inhibitor agent, fixed to the above undercoating layer. Further, the undercoating layer has a component that can combine the thrombus formation inhibitor agent and this inhibitor agent has the thrombus formation inhibition activity when fixed. The synthetic bio-compatible material is a polymer which is selected from the group of Dacron (R), nylon, cross-linked collagen, poly(glycolic acid), polytetrafluoroethylene, and their mixtures. The undercoating layer is selected from the group of protein, peptide, lipoprotein, glycoprotein, glycosaminoglycan, hydrogel, synthetic polymer, and their mixtures.  The protein is selected from the group consisting of serum albumin, fibronectins, and their mixtures.
Patent JP-H0642940-A (JP)
Title: Method and apparatus for inspection of belt-shaped-member joint part
Inventor: MATSUMOTO YOSHIAKI
IPC: B29L7/00
Filed: 1992-07-27
Abstract: PURPOSE:To obtain the inspection method, of a belt-shaped-member joint part, wherein a pasted state can be discriminated with good accuracy and the pasted state can be supplied as data required for the operating control and the diagnosis of a pasting device or the like and to obtain its apparatus. CONSTITUTION:Slit light is projected on a joint part A1 on a belt-shaped member A, the joint part A1 is read out by a camera 2, the position of a peak corresponding to the bright line S of the slit light which has been output from the camera 2 is detected by a peak-position detection means 11. On the basis of a position signal which has been detected, spatial-distance image data on the joint part A1 is computed by an operation and processing means 21, the spatial-distance image data is input to a recognition and judgment means 34, the joint state of the joint part A1 is inspected and whether the joint state is good or not is judged.
Patent JP-2000159838-A (JP)
Title: Resin modifier
Inventor: KAWASAKI MASAAKI
IPC: C08L23/16
Filed: 1999-07-14
Abstract: PROBLEM TO BE SOLVED: To provide a resin modifier which improves the impact resistance and stress crack resistance. SOLUTION: A resin modifier comprises a higher α-olefin copolymer which is a copolymer of ethylene, a 6-20C higher α-olefin and a non-conjugated polyene, wherein (a) the molar ratio of ethylene/α-olefin is from 50/50 to 5/95, (b) the iodine value is from 2 to 40, (c) the intrinsic viscosity [η], determined in decalin at 135 deg.C, is from 1.0 to 10 dl/g and (d) the crystallinity determined by X-ray is 5% or smaller.
Patent JP-S6093810-A (JP)
Title: Formation of fet amplifying circuit
Inventor: ISHIHARA TSUTOMU
IPC: H03F3/34
Filed: 1983-10-26
Abstract: PURPOSE:To reduce offset by obtaining a bias voltage of a MOSFET current source, which supplies a constant current to a differential pair, from an FET having the same dimensions as a load MOSFET and an FET having the same dimensions as the MOSFET current source. CONSTITUTION:A differential amplifying circuit 100 having differential input terminals 9 and 10, differential output terminals 11 and 12, and power supply terminals 13 and 14 is constituted with load MOSFETs 1 and 3, active MOSFETs 2 and 4, and a MOSFET current source 5. A drain current controlling bias circuit 300 is provided for the purpose of stabilizing the operation of the amplifying circuit 100. Since the bias circuit 300 is constituted with MOSFETs 16 and 17 having the same dimensions as load MOSFETs 1 and 3, a MOSFET19 having the same dimensions as the constant current circuit 5, and a MOSFET18, influences due to variance of production process are cancelled, and the bias is stabilized to reduce offset.
Patent JP-S6178856-A (JP)
Title: Monovinyl aromatic resin composition
Inventor: TEJIMA HIDEO
IPC: C08L51/02
Filed: 1984-09-27
Abstract: PURPOSE:To improve Freon resistance of sheet materials for refrigerators and also to improve impact resistance and rigidity, by dispersing non-rigid component particles composed of a graft polymer obtd. from polybutadiene rubber and a monovinyl arom. monomer. CONSTITUTION:A low- or high-cis polybutadiene is dissolved in a monovinyl arom. monomer (e.g. styrene or a mixture thereof with other copolymerizable vinyl monomer). The mixture is pre-polymerized in the presence of an molecular weight modifier and a catalyst by bulk polymn. to such an extent that 10-40$ of the monomer is polymerized. In the pre-polymerization stage, non-rigid component particles are dispersed in the polymn. system by stirring. After the completion of the pre-polymerization, the reaction product is suspension-polymerized in an aq. medium, and the product is dehydrated and dried to obtain the titled compsn. The compsn. has a polybutadiene content (R) of 4-14wt% and a non- rigid component particle content of 10-30wt% and in which particle has an area-average particle diameter (Ds) of 0.5-4mum and the relationship between Ds and R is Ds<=35.2XR<-1.33>.
Patent JP-S6262803-A (JP)
Title: Fluorine-containing resin
Inventor: WATANABE TOMOYUKI
IPC: C08F20/00
Filed: 1985-09-12
Abstract: PURPOSE:To provide the titled novel resin composed of a polymer of a specific fluorine-containing compound, having antibacterial activity and excellent antithrombotic property, flame-retardancy, heat resistance, adhesivity, etc., and suitable as an industrial coating agent, biocompatible resin, etc. CONSTITUTION:The compound of formula I (R is H or methyl; Z is group of formula O-CH2-CH2 or formula II; Y is F or nitrile; Z is F or Cl; n is integer of 1-4) is polymerized singly or together with other unsaturated monomers in a state of solution in a solvent (e.g. THF) in the presence of a polymerization catalyst (e.g. azobisisobutyronitrile) to obtain the objective resin composed of the polymer of the compound of formula I or a copolymer of 99.9-0.5wt% compound of formula I and 0.1-99.5wt% other unsaturated monomer.
Patent JP-S6356414-A (JP)
Title: Manufacture of building board
Inventor: MATSUSHIMA RYOICHI
IPC: B29C39/16
Filed: 1986-08-26
Abstract: PURPOSE:To manufacture a building board, prominent in fire retardant properties and insulation characteristics, by a method wherein a surface member is conveyed by a conveyer and a foaming material as well as an inorganic material are supplied separately to the surface member to form a foamed body layer mixed with the inorganic material. CONSTITUTION:A surface member such as a vinylchloride resin sheet, an aluminum sheet or the like, which is reeled by a reeling roll 10, is unwound between the guides of a conveyer 1 to convey it. The surface member 2 is provided with a groove 14 and a tongue 15 on both lengthwise sides and a foaming material 3, such as phenol resin containing foaming agent, is supplied between the groove 14 and the tongue 15. Next, an inorganic material 4 is supplied from an inorganic material supplier 11. The inorganic material is heated by a heater 11a to the temperature of 40-60 deg.C, therefore, the foaming material 3 is foamed when it is contacted with the inorganic material 4 and a foamed body layer 5 is formed so as to surround the inorganic material 4. Thereafter, a backup sheet 17 is pressed against the foamed body layer 5 for bonding. According to this method, the thickness of the foamed body layer may be secured sufficiently, the foamed body layer may be provided with insulation characteristics and the fire retardant properties of the title building board may be improved.
Patent JP-H1050575-A (JP)
Title: Reduced projection aligner
Inventor: NIRASAWA KATSUMI
IPC: H01L21/027
Filed: 1996-07-30
Abstract: PROBLEM TO BE SOLVED: To minimize the focus deviation by focusing on a spot within a shot region at several points at once, measuring the inclination in this region from the focus height positions and correcting the attitude of a semiconductor wafer in accordance with commands from a measuring part. SOLUTION: After mounting a wafer 4 on a wafer stage 3, the wafer is moved to a shot region 10, a laser emitter 2-1A which forms a focusing part 2 irradiates a laser beam 5, a laser beam detector 2-1B detects the beam to measure the focus position. Using data of the focus positions obtained from the focusing part 2 at five measuring points in the shot region 10, a measuring part 8 calculates the inclination in this region 10, to send correcting command signals to stage inclination correctors 6, 7 which adjust the inclination of the stage in accordance with the commands from the measuring part 8.
Patent JP-H0648590-A (JP)
Title: Paper cassette for printer
Inventor: KAKUDATE MANABU
IPC: B65H1/26
Filed: 1992-07-28
Abstract: PURPOSE:To transport a paper cassette for easy handling by installing a cassette extension which can be slid in a cassette base and which is provided with an arm part fixed to a specified position by a lock lever and a handle fixed at its end to hold the handle. CONSTITUTION:A cassette extension 9 is provided with a handle 1 at its rear end, and a paper cassette can be transported by holding the handle 1. Also an arm 11 is provided on both sides of it, and their top ends are inserted into rectangular cylindrical parts at both sides of a cassette base 2, and slid through their centers. Two holes 12 and 13 are provided in the arm 11. These holes 12 and 13 are used to fix the cassette extension 9 to the cassette base 2. The hole 12 is used when letter-size forms and A-4 size forms are stored, and the holes 13 are used when legal-size forms are stored.
Patent JP-S6178248-A (JP)
Title: Terminal coupling device
Inventor: URUSHIMA TETSUO
IPC: H04L25/20
Filed: 1984-09-26
Abstract: PURPOSE:To eliminate improper contact at connection by utilizing an electromagnetic coupling transformer so as to couple a terminal device and a receiver so as to attain communication not using a cable. CONSTITUTION:A serial signal 9 is outputted from a communication I/F8 of a terminal device 1 by using a signal from a CPU. Only a change in the series signal is extracted by a capacitor 10 to obtain a signal (b). The coupling transformers are coupled electromagnetically and the change signal is a signal (c) to be fed to an OP amplifier through a capacitor 13. Thus, the signal (d) is similar. The signal (d) becomes a signal (e) by using a positive direction change detector 15. Further, the signal (d) becomes a signal (f) by using a negative change detector 16. A flip-flop 17 is operated by using the signal (e) as the set signal and the signal (f) as the reset signal to generate a final serial signal (g). A receiver 19 is connected to a CPU through a serial I/F section 18.
Patent JP-H0248110-A (JP)
Title: Tube end fine finishing processor
Inventor: KAIDA NOBUYUKI
IPC: B23P23/00
Filed: 1988-08-10
Abstract: PURPOSE:To perform tube end finishing efficiently and accurately in the tube end processing of a zircaloy coated tube or the like by performing cutting, end surface processing and outside/inside surface beveling in a state that a tube end is fixed and performing an assignment of length of this tube end as standard. CONSTITUTION:A tube sent by the second idle roller line 45 is held and fixed by a fixing chuck device 27 so that its tube end is cut by the cutter 35 of a tube end processing device 39 first. Next, end surface processing, outside surface beveling and inside surface beveling are performed in order by an end surface processing machine 36 and molding machines 37, 38. When each treatment ends, the holding by the fixing chuck 27 is released so as to be drawn out by a charge/extraction device and be crossly sent to an aligning conveyer 44 by a traverse means 11 and wait. Then, it is sent to the fixing chuck device 56 side through a roller line 45 by the reactuation of the traverse means 11 so as to assign the length of the processed tube end as standard and it is fixed by the fixing chuck 56 so as to be processed by a tube end processing device 57 in the same way. Processing capacity and processing accuracy can be enhanced in this way.
Patent JP-S6178368-A (JP)
Title: Antioxidant for food
Inventor: KASORI AKIYO
IPC: A23L3/34
Filed: 1984-09-26
Abstract: PURPOSE:To prepare the titled antioxidant having excellent emulsion stability and dispersibility in water, by emulsifying vitamin E and a specific straight-chain fatty acid glyceride with a polyglycerol fatty acid ester under strongly acidic condition. CONSTITUTION:The objective antioxidant can be prepared by emulsifying vitamin E and a 8-12C straight-chain fatty acid triglyceride with a polyglycerol fatty acid ester in an aqueous solution acidified to <=3.0pH with an organic acid or inorganic acid.
Patent JP-H11348635-A (JP)
Title: Glasses/sunglasses case for vehicle interior
Inventor: SASAKI TAKASHI
IPC: B60N3/00
Filed: 1998-06-11
Abstract: PROBLEM TO BE SOLVED: To easily take out glasses/sunglasses from a case for use and to prevent them from dirt or damage by storing the glasses/sunglasses in the case, arranging a loop tape and a hook tape for a hook-and-loop fastener, and installing the case in a sun visor inside an automobile. SOLUTION: A hook/loop band 3 for a hook-and loop fastener is arranged at the tip of the bottom part of a glasses/sunglasses case. On the outside face of a lid in the case, a soft fabric is stuck for absorbing impact, while on the inside of the case, a fabric is stuck for protecting glasses/sunglasses. The glasses/sunglasses 13 is housed on the lid side of the case, and the case lid is provided with a tag for facilitating its opening. In use, the glasses/sunglasses case is mounted on a sun visor 14 inside a vehicle, and the glasses/sunglasses 13 can be quickly taken out for use. If the case encumbers a driver, the case can be removed easily because it is mounted via the hook-and loop fastener.
Patent JP-H0916811-A (JP)
Title: Gas type object display circuit
Inventor: IKEDO TSUNEO
IPC: G06T19/00
Filed: 1995-07-03
Abstract: PROBLEM TO BE SOLVED: To fast display a computer graphics of a gas type object in real time by means of a hardware arithmetic circuit. SOLUTION: This circuit generates the elements of a gas type object through a Gaussian random number generator 3 and a primitive generator 4 and then synthesizes the object obtained based on a shape defined by a parametric curve 3 with a curve definition object through a shading circuit 6, a hidden surface erasion circuit 8 and a smoothing/filtering circuit 9.
Patent JP-H0488194-A (JP)
Title: Continuous plating device
Inventor: TSUKAMOTO HIDEO
IPC: C25D7/06
Filed: 1990-07-31
Abstract: PURPOSE:To easily obtain a metallic original plate uniform in plating thickness by continuously supplying a metallic strip to be plated into a plating soln. while opposing the front and rear of the strip respectively to the convex surfaces of an anode member. CONSTITUTION:Anode members 9a-9d each consisting of a tin plate having a convex surface are dipped in a plating soln. 10 in a plating bath 11 with the convex surfaces opposed to each other at a specified distance apart. A metallic strip 6 rewound from a rewinding part is passed through the soln. 10 between the members 9a-9d by rollers 5, 7 and 8. In this case, a specified voltage is impressed between strip 6 and members 9a-9d from a power source 2. The distance between both side parts of the strip 6 and members 9a-9d is made larger than that between the center of the strip 6 and members. Consequently, the plating current density to be applied on the strip 6 surface is practically uniformized on the cutting plane almost vertical to the traveling direction of the strip 6, and a plating film is formed on the strip 6 in uniform thickness.
Patent JP-S58102504-A (JP)
Title: Surface treatment for ferromagnetic fine powder
Inventor: OKITA TSUTOMU
IPC: H01F1/06
Filed: 1981-12-14
Abstract: PURPOSE:To obtain magnetic paint having good dispersibility and to obtain a magnetic recording material having good abrasion resistance and good electromagnetic conversion propoerty by a method wherein an organic solvent is evaporated after dispersing and treating composition of matter including a polar compound havig one or more of ferromagnetic fine powder (e.g. -CO2H, -CONH2, -PO3H, -SO2H, -OH, -NH2) in a molecule and the organic solvent dissolving said polar compound. CONSTITUTION:As the ratio mixing composition of matter, a polar compound has ferromagnetic fine powder of 0.3-8wt%, preferably 0.5-2wt%. An organic solvent prefeably has 50-500wt% of the ferromagnetic fine powder. High ratio of organic solvent requires much energy for evaporation. Low ratio of organic solvent prevents uniform dispersion. Various kinds of kneading dispersers are used for dispersing composition of matter. The evaporation of the organic solvent may be done during a dispersion operation. The dispersion operation is normally done while heating the organic solvent at 80-100 deg.C. A pressure reduction opration may be added. For the preferable effect of surface treatment, the ratio of remained solvent after evaporation is 20wt%, preferably 5wt% of ferromagnetic powder.
Patent JP-S6179935-A (JP)
Title: Radiation heat interception duct
Inventor: TAKANASHI SHIGEO
IPC: F24F13/02
Filed: 1984-09-28
Abstract: PURPOSE:To measure the temperature of flowing gas correctly under flowing the gas in high speed and suppressing increase of fluid resistance, pulsation, vibration, noise or the like by a method wherein a plurality of openings. having different opening areas, is provided on the tubular section of the tubular radiation heat intercepting duct for measuring the temperature of the flowing gas. CONSTITUTION:The temperature sensitive pipe 6a of an insertion type temperature detector 6 is attached to the radiation heat intercepting duct 5. The first opening 5a is provided at the side of the dust, which is opposing to the flow of gas, and the second opening 5b, discharging the introduced flowing gas into a direction substantially orthogonal to the advancing direction thereof, is provided. The area of the second opening 5b is made smaller than the same of the first opening 5a to reduce the fluid resistance and suppress the pulsation, vibration, noise or the like. Further, the rear rim of the duct shields heat surely, therefore, the duct will never be affected by the radiation heat of the heat exchanger 3 for heating.