baber/WOPTO huggingface dataset:
Patent JP-H0236229-A (JP)
Title: Apparatus for continuous polymerization of polycapramide
Inventor: ONISHI TOSHIFUMI
IPC: C08G69/16
Filed: 1988-07-26
Abstract: PURPOSE:To obtain a polycapramide having excellent quality by spraying water into a mixture of prepolymer vapor and steam at the top of a continuous polymerization column for caprolactam to effect the partial condensation of the prepolymer vapor and the control of the internal pressure. CONSTITUTION:A prepolymer produced by the prepolymerization of epsilon- caprolactam is supplied to a continuous polymerization column to obtain a polycapramide. In the above process, water is sprayed to a mixture of steam and prepolymer vapor at the top 1 of the continuous polymerization column to effect the partial condensation of the prepolymer vapor and, at the same time, steam is condensed at the top 1 of the continuous polymerization column and the internal pressure at the top 1 is controlled. A polycapramide having low fluctuation of viscosity and high quality can be produced by this process.
Patent JP-H0935931-A (JP)
Title: Drive circuit for ac superconducting magnet
Inventor: ASAKURA SHINICHI
IPC: H01F6/00
Filed: 1995-07-24
Abstract: PROBLEM TO BE SOLVED: To reduce the size of a power supply by reducing required power- supply voltage and power-supply capacity in a drive circuit for an AC superconducting magnet. SOLUTION: A drive circuit for an AC superconducting magnet includes a primary circuit having an AC power supply 7, a phase advance capacitor 8 and a drive coil 9 which are serially connected, and a secondary circuit having a superconducting coil 11 and a phase advance capacitor 12 which are serially connected. The secondary circuit is a superocnducting circuit with little loss (through a resistor 13). The drive coil 9 and the superconducting coil 11 are closely located to constitute a superocnducting transformer. The capacitance C1, C2 of the phase advance capacitors 8, 12, respectively, and the inductance L1, L2 of the coils 9, 11, respectively, are so set that the primary circuit and the secondary circuit resonate.  Thus, the current amplification factor and the voltage amplification factor of the superconducting transformer are greater than one, and the voltage and capacitance required for the AC power supply 7 are smaller than in a conventional circuit.
Patent JP-H06220-A (JP)
Title: Cellulose fine porous film having endotoxine adsorptiveness
Inventor: KANEKO EIJI
IPC: A61M1/16
Filed: 1992-06-22
Abstract: PURPOSE:To enhance the endotoxine removing efficiency by processing a cellulose type fine porous film with cationic resin, and retaining the endotoxine absorbing ability. CONSTITUTION:Endotoxine which is a detrimental substance inducing temperature running effect or shock phenomenon when it intrudes into a vital organism, is removed with a complex body of protein and ribo-polysaccharide constituting the outer film of a gram-negative bacterial cell wall, wherein a cellulose fine porous film excellent in the rate-of-flow characteristic is processed with a cationic resin to make the film surface ZETA potential positive, and thereby the endotoxine adsorbing ability is retained. In manufacturing, a film of pore dia. 0.2mum is fabricated from cellulose resin, for example acetylose, immersed for approx. 5min in an aqueous solution of cationic resin, for example polyamide-epichlorohydrin resin (containing 0.6% solids), air dried, and subjected to an approx. 100 deg.C heat treatment for 10 min approx. Thus a desired fine porous film is produced.
Patent JP-H0917755-A (JP)
Title: Cutting method of iii-v compound semiconductor crystal
Inventor: NISHIURA TAKAYUKI
IPC: B23D57/00
Filed: 1995-06-30
Abstract: PURPOSE: To obtain a cutting method in which a compound semiconductor ingot can be cut by a wire saw by a method wherein a direction in which a wire is moved back and forth is set to a direction which is separated at an angle in a specific range from the cleavage direction of an ingot single crystal. CONSTITUTION: Three multigroove rollers 1, 2, 3 are arranged in a triangle- shape. Many grooves 11, 12, 13 are cut respectively, and wires are wound so as to pass the grooves 11, 12, 13. Then, an ingot tape 5 which can be raised and lowered is arranged in a part corresponding to the base of the multigroove rollers 1, 2, 3 which have been arranged in a triangle-shape, a jig 6 is fixed onto it, and an ingot 7 is bonded to the jig 6. A direction in which the wires are moved back and forth is set in a direction which is separated by 22.5 to 67.5 deg. from the cleavage direction of the single crystal of the ingot 7, and wafers which have a plane direction of within 100}±15 deg. are cut from the ingot 7. Thereby, the wafers can be cut in parallel at a stroke, and their cutting time can be shortened.
Patent JP-H0637240-A (JP)
Title: Lead frame and semiconductor integrated circuit device using same
Inventor: SASAKI KEIJI
IPC: H01L23/50
Filed: 1992-07-15
Abstract: PURPOSE:To provide a technique of preventing effectively the generation of a bend of the leads of an LSI package provided with leads of fine pitches. CONSTITUTION:A lead frame 1 is one formed so as to prevent the generation of a lead bent by connecting outer lead parts of leads 4 to each other via insulative connecting members 10. These members 10 are formed by emitting an energy beam, such as a laser beam, on one part of a conductive material constituting the lead frame 1 to change the conductive material into an oxide.
Patent JP-H0476496-A (JP)
Title: Wear monitering method
Inventor: KAWANO SHOHEI
IPC: G21C17/003
Filed: 1990-07-18
Abstract: PURPOSE:To enable the wear of a guide rib to be monitored without operating a main steam isolating valve by bonding a metal piece having rare gas injected therein to a measured section to measure the rare gas ejected to steam flow by the wear of the metal piece. CONSTITUTION:A metal piece 9 such as nickel yttorium alloy, titanium alloy, etc. of high melting point metal subjected to ion injection of rare gas such as <3>He, <21>Ne having a small possibility of mixing in steam flow as a fission product in the running of a BWR plant and a low natural abundance ratio in the atmosphere is formed not to disturb the steam flow and welded to the side of a guide rib 3 to provide a stream line form to the direction of the steam flow. The metal piece 9 in the running of the plant wears as the guide rib 3 proceeds to wear, and while the rare gas is ejected into the steam flow, it does not chemically react to a steam pipe and turbine system structure, but is guided downstream of the steam, so that the concentration of the rare gas ejected from the metal piece 9 in the process of gas waste disposable for example can be measured and the wear amount of the guide rib 3 can be monitored by integrating the wear amount with respect to time.
Patent JP-S5891193-A (JP)
Title: Pretreatment of free cutting material prior to plating
Inventor: DOI YASUOMI
IPC: C25D5/34
Filed: 1981-11-24
Abstract: PURPOSE:To prevent discoloration and to form thin metallic plating on a free cutting material contg. lead by activating the surface of the material with sulfamic acid. CONSTITUTION:A free cutting material contg. lead such as brass is immersed in an aqueous sulfamic acid soln. to activate the surface layer. Desired metallic plating such as nickel plating or gold plating is then formed. By the activation parts for a timepiece, etc. preventing discoloration due to heating and causing no trouble in the workability are obtd. even if the plating is thin.
Patent JP-H0353168-A (JP)
Title: Immunoaassay
Inventor: EGAWA HIDEKI
IPC: G01N33/548
Filed: 1989-07-20
Abstract: PURPOSE:To improve the efficiency of washing and removing operation by adding a cellulose decomposition associated enzyme to a biocomponent-contg. sample to hydrolyze filter paper. CONSTITUTION:The sample is properly dropped by a pipette as it is if the sample is liquid like blood or after the sample is diluted with a buffer soln. The sample is properly applied by a spatula or the like and is thereby deposited on the filter paper or filter paper-like carrier if the sample is paste like a faces sample. The biocomponents deposited on the filter paper or filter paper-like carrier are conjugated with a solid phase by an antigen-antibody reaction in a reaction chamber and thereafter, the cellulose decomposition associated enzyme is added thereto to hydrolyze the filter paper or filter paper-like carrier. The components are changed to lower molecular matters and the viscosity of the reaction system is lowered in such a manner, by which the rate of recovering the materials to be inspected adsorbed on the filter paper is greatly improved and the efficiency of washing and removing operation is enhanced.
Patent JP-S6248945-A (JP)
Title: Engine controller
Inventor: TANAKA YUZURU
IPC: F02D45/00
Filed: 1985-08-26
Abstract: PURPOSE:To control engine operation so effectively, by installing an engine deterioration detecting device, outputting a control signal when the total integrating time of running time goes beyond the specified value, and also an operation controlling device controlling over the engine operation. CONSTITUTION:An engine deterioration detecting device 32 outputs a control signal to an air-fuel ratio controlling device 33, a secondary air controlling device 34 and an exhaust gas recirculation controlling device 35 when the total integrating time of running time goes beyond the specified value. The air-fuel ratio controlling device 33 controls an actuator 10 so as to cause an air-fuel ratio to become a lean mixture. The secondary air controlling device 34 controls a motor 16 so as to make a secondary air quantity increase. The exhaust gas recirculation controlling device 35 controls a linear solenoid valve 19 so as to make an EGR rate decrease. Thus, deterioration due to a secular change in an engine is accurately detectable and, what is more, engine operation is effectively controllable.
Patent JP-S5978834-A (JP)
Title: Manufacture of steel pipe coated with plastic
Inventor: KARIYAZONO YOSHIHISA
IPC: B29C48/151
Filed: 1982-10-28
Abstract: PURPOSE:To obtain an objective steel pipe superior in both adhesivity and productivity by a method wherein, after preheating the steel pipe surface up to melting temperature of an adhesive, thermosetting resin having a high hardening temperature and hardened rapidly is coated thereon, and plastic is then coated thereon through an adhesive. CONSTITUTION:After preheating the steel pipe surface up to temperatures (usually 90-300 deg.C) not less than the melting point of an adhesive (e.g., PE resin adhesive, etc.), thermosetting resin (e.g., two-liquid epoxy resin, etc.) having a high hardening temperature and a very short hardening time (usually 8-30sec) is coated as primer on the steel pipe surface. Then, after applying an adhesive on the surface of the primer layer, plastic such as PE resin is coated thereon.
Patent JP-S5988482-A (JP)
Title: Novel benzothiazine derivative
Inventor: GIYUNTAA TORUMURITSUTSU
IPC: C07D417/12
Filed: 1983-10-07
Abstract: Compounds of the formula   <IMAGE>   wherein R1 is hydrogen, methyl, methoxy, fluorine or chlorine; and R2 is hydrogen, methyl, ethyl or n-propyl; and non-toxic, pharmacologically acceptable salts thereof formed with an inorganic or organic base. The compounds as well as the salts are useful as antithrombotics.
Patent JP-S5976872-A (JP)
Title: Manufacture of medical and dental instruments made of metal
Inventor: OOKUBO KATSUHIRO
IPC: C23C14/14
Filed: 1982-10-27
Abstract: PURPOSE:To manufacture inexpensively medical and dental instruments made of metal with superior corrosion resistance by quench-hardening a base material and by coating it with a film by an ionic plating method after carrying out wet plating as required. CONSTITUTION:Medical and dental instruments such as a scalpel, a razor and a forceps or edged tools such as a razor's edge and a kitchen knife are made of Fe, an Fe alloy, stainless steel such as austenitic or martensitic stainless steel, a Cr alloy or an Ni alloy. Each of them is quench-hardened, and the surface is optionally plated with a Cu alloy, Ni, an Ni alloy, Cr or a Cr alloy by a wet plating method in a direct or indirect manner. The resulting underlayer or the base material is coated with a metallic film by an ionic plating method.
Patent JP-S6250418-A (JP)
Title: Continuous electrical heating method for belt-like metal
Inventor: YAMAMOTO HIROSHI
IPC: C21D9/62
Filed: 1985-08-29
Abstract: PURPOSE:To prevent the generation of flaws of a belt-like metal by providing a casing to enclose the bottom surface of a roll for conveying the belt-like metal in the lower stage in a furnace, forming a fluid layer of conductive grains in the casing and feeding electric power to the belt-like metal from an external power source via said layer to heat the belt-like metal. CONSTITUTION:The casing 6 to enclose the lower half surface of the roll 3 for conveying the belt-like metal S in the lower stage in the furnace is provided and an air permeable electrode 7 is provided to the inside surface thereof. The conductive grains 8 are packed into the casing 6 up to the position slightly higher than the lowermost surface of the roll 3. An inert gas is introduced from a gas blowing pipe 9 in the bottom of the casing 6 through a perforated supporting plate 10, a gas distributing plate 11 and the electrode 7 into the casing 6 to fluidize the particles 8. The electricity is fed through the particles 8 to the metal S when the electric power is fed from a feeder 12 to the electrode 7. The belt-like metal is thus heated.
Patent JP-S5890861-A (JP)
Title: Facsimile telephone equipment
Inventor: NAGAI JIYUNICHIROU
IPC: H04M11/00
Filed: 1981-11-25
Abstract: PURPOSE:To simplify the constitution of an entire device and to make it small- sizeed, by incorporating a facsimile equipment and a telephone set and unifying circuits having the same function. CONSTITUTION:In performing the facsimile transmission with the facsimile telephone equipment 6, a telephone circuit 8 and a facsimile communication circuit 9 are controlled through the button operation at an operation section 7, and the equipment 6 is connected to a telephone line 5 for communication via an interface circuit 10. The facsimile signal is transmitted to the line 5 from a facsimile medium set to a facsimile input and output section 11. In the reception of facsimile, a facsimile communication circuit 9 is controlled with a call signal from the line 5 via the circuit 10 and the display of recording is done at the section 11. In the function of a telephone set, the telephone circuit is controlled through the button operation of an operation section 7, the equipment 6 is made possible of communication with the line 5 via the circuit 10, then conversation is made attainable with a handset 12. In case of incoming call, the telephone circuit 8 is controlled via the interface circuit 10 to attain communication.
Patent JP-2001023523-A (JP)
Title: Frit sealing method and device for cathode ray tube
Inventor: TAKAHASHI SHINICHI
IPC: H01J9/26
Filed: 1999-07-02
Abstract: PROBLEM TO BE SOLVED: To prevent a part of a bulb to be exposed to a higher temperature than the other part, or a temperature difference between a side facing a travel direction of the bulb and the opposite side in a frit sealing furnace. SOLUTION: This method includes a step applying frit on a funnel (S1), a step drying the first (S2), a step abutting a panel against the funnel to form a bulb to be processed (S3), and a step moving the bulb to be processed in one direction to feeding the bulb into a frit seal furnace, and moving the bulb to be processed while the bulb is being rotated inside the frit seal furnace (S4).
Patent JP-H1131950-A (JP)
Title: Level shift circuit
Inventor: ARAKAWA HIDEKI
IPC: H03K19/0185
Filed: 1997-07-14
Abstract: PROBLEM TO BE SOLVED: To suppress the back bias effect and to operate a level shift circuit by the voltage of a low level with no increase of the current consumption by applying the well in-well structures to plural field effect transistors TR which are connected among the input/output terminals, capacity elements, etc., and raising those well potentials according to the output voltage. SOLUTION: An NMOS TR NTd11 is connected between an input terminal and an output terminal of a charge pump type level shift circuit 10a with an NMOS TR NT12a connected between the output terminal and a capacitor (capacity element) C11 where a clock signal is applied, and an NMOS TR NT11a connected between an internal voltage source and the gate of the TR NT12a respectively. An NMOS TR NT13 constructs a well potential control circuit. Then the well-in-well structures are applied to the TR NT11a, NT12a and NT13 respectively and the well potentials of these TRs are raised according to the output voltage.
Patent JP-2000020318-A (JP)
Title: Device for reducing memory access instruction and storage medium
Inventor: MORISHIMA MASATO
IPC: G06F9/45
Filed: 1998-07-03
Abstract: PROBLEM TO BE SOLVED: To reduce the number of accesses and to speed up memory access by analyzing a source program and collectively substituting plural adjacent or near-by memory access instructions satisfying a prescribed condition for memory access by continuous execution memory access instructions. SOLUTION: A source program analysis means 3 executes the morpheme and syntax analysis or the like of a source program 1. An optimization/register allocation means 4 for optimizing register allocation based on the analytical result of the program 1 is constituted of an instruction reducing means 5, etc. At the time of optimizing the register allocation, the means 5 discriminates whether a condition capable of collectively executing adjacent or near-by continuous memory access instructions is satisfied or not, and at the time of discriminating that the condition is satisfied, substitutes the adjacent or near-by continuous memory access instructions by continuous execution memory access instructions (e.g. pair memory access instructions).
Patent JP-S57109665-A (JP)
Title: Inking device
Inventor: TOGANOU SHIGEO
IPC: B41J2/175
Filed: 1980-12-27
Abstract: PURPOSE:To provide an inking device which is capable of positively forming multi type ink drops by the adoption of such a system wherein an ink is connected to an ink jet head through a pipe and said tank is equipped with plural internal containers which are all interconnected through check valves. CONSTITUTION:As an ink chamber 202 is pressurized by a pressurizing pump 207 with valves 212, 213 kept opened, a check valve 205 installed to a conducting pipe 204 is closed and ink is forced to fill up a multi-nozzle ink jet head 233 through a connecting hole 210, a connecting groove 218 and a relay chamber 227, etc. This pressurization is continued until ink is forced to flow into an ink chamber 203 through a pipe 232, a relay chamber 228 and a connecting groove 219, etc., and a flow passage between ink chambers 202 and 203 is filled up with ink. Subsequently when pressurization is stopped, the check valve 205 is opened, and the level of ink in the chamber 203 becomes equal to that of the chamber 202. Under this condition, ink is discharged.
Patent JP-H0476876-A (JP)
Title: Magnetic head supporter
Inventor: YOSHIDA YASUO
IPC: G11B21/21
Filed: 1990-07-17
Abstract: PURPOSE:To fixedly and stably hold a fine interval between a medium and a magnetic head from the inner periphery of the medium to the outer periphery by adjusting positive and negative pressure while rotating the magnetic recording medium by providing pressure adjusting means for positive and negative pressure at the supporter of the annular magnetic head. CONSTITUTION:The annular magnetic head supporter 1 is composed of a magnetic head holding hole 2, positive pressure applying part 3, negative pressure applying part 4, magnetic head 5 fixed in the holding hole 2, and pressure adjusting part 7 composed of a groove provided on the sliding face of the supporter 1 to the magnetic recording medium. By providing the pressure adjusting part 7 on the outside rather than the central part of the supporter 1, the positive pressure in the outer peripheral direction of a medium 6 is sharply relaxed, and proper balance with the pressure at the inner peripheral part can be obtained. By providing the pressure adjusting part 7, the interval distribution between the above-mentioned head 5 and the medium 6 can be made uniform on the sliding face of the head 5. Thus, the positive pressure and the negative pressure can be well balanced from the outer peripheral part of the medium to the inner peripheral part, and the fine interval between the magnetic head sliding face and the medium can be uniformly and stably maintained.
Patent JP-2001013697-A (JP)
Title: Electrophotographic photoreceptor, its production, image forming method, image forming device and process cartridge
Inventor: ITAMI AKIHIKO
IPC: G03G5/00
Filed: 1999-07-02
Abstract: PROBLEM TO BE SOLVED: To obtain an electrophotographic photoreceptor excellent in strength characteristics and electrical characteristics by sufficiently carrying out the crosslinking reaction of a siloxane resin while suppressing the decomposition of an electric charge transferring compound having a reactive group when a coating solution for a resin layer is dried. SOLUTION: A photosensitive layer and a resin layer are successively laminated on an electrically conductive substrate to obtain the objective electrophotographic photoreceptor. The resin layer contains a siloxane resin obtained by allowing at least one of an organosilicon compound having a hydroxyl group or a hydrolyzable group and its condensation product to react with of an electric charge transferring compound having a reactive group and the resin layer is formed through a multistage curing process in a drying process after coating.
Patent JP-H1017478-A (JP)
Title: Preventing or therapeutic agent for ulcerative colitis
Inventor: KIMURA ISAMI
IPC: C07H3/04
Filed: 1996-06-28
Abstract: PROBLEM TO BE SOLVED: To prepare a medicine, excellent in therapeutic effects and hardly causing adverse effects by including a trehalose utilized as a preserving liquid for organs, an additive to pharmaceutical preparations, a cosmetic, etc., as an active ingredient. SOLUTION: This preventing or therapeutic agent for ulcerative colitis comprises a trehalose as an active ingredient. The trehalose is nonreducing disaccharides widely distributing in natural products such as yeasts, molds, marine animals or seaweeds and can be obtained by a method for thermal extraction from the natural products with ethanol or fermentation with microorganisms. The trehalose concentration can be selected within the range of 0.5-100wt./vol.% when administering the agent as a solid pharmaceutical preparation and 0.5-20wt.% when administering the agent as a transfusion pharmaceutical preparation. Furthermore, the agent can be used for preventing recrudescence or relapse in the remitting period of the ulcerative colitis. The agent is capable of manifesting excellent effects by suppressing the formation of erosion in colitic mucous membranes.