baber/WOPTO huggingface dataset:
Patent JP-2000281670-A (JP)
Title: Intermediate for synthesizing new corrolemicin and production of the intermediate
Inventor: HIRAMA MASAHIRO
IPC: C07D407/12
Filed: 1999-03-26
Abstract: PROBLEM TO BE SOLVED: To obtain the subject new compound useful as an intermediate for synthesizing corrolemicin as an antibacterial substance, by using a lactic acid or malic acid as an optically active starting material and combining a means of asymmetric synthesis. SOLUTION: This new compound is a compound of formula I which is obtained by aldol reaction of an optically active aldehyde of formula II with a glycine ester of formula III (R1 is a 1-6C alkyl; R2 is a substituted methylene) pref. in the presence of a catalyst such as lithium diisopropylamide or butyllithium to effect conversion to the corresponding optically active lactone of formula IV followed by eliminating the protective group for the amino group of the compound of formula IV. Corrolemicin as an antibacterial material is obtained by condensation reaction between the above compound of formula I and an optically active carboxylic acid of formula V (R3 is a 1-20C straight- chain alkyl) using a condensation agent (e.g. a water-soluble carbodiimide, dicyclohexylcarbodiimide).
Patent JP-S5710564-A (JP)
Title: Digital signal converting circuit
Inventor: KOSEKI TOSHIICHI
IPC: H03M5/06
Filed: 1980-06-24
Abstract: PURPOSE:To simplify the circuit constitution, to stabilize electrical performance and to increase the reliability, by giving the NRZ-RZ converting function and the function to turn on/off it to an emitter coupling logical element. CONSTITUTION:Integrated circuits 1, 1' are NOR/OR gates for emitter coupling logic and they have at least 3 input terminals and two output terminals to obtain mutually inverted outputs respectively. An NRZ signal is given to input terminals a, a' of ECLs 1, 1', a clock signal is to input terminals b,b' and control signal is to input terminals c, c', and d, e, d', e' are taken as the output terminals for the RZ signal. Further, the d, d' are the NOR output terminals, and the e, e' are the OR output terminals. Thus, when the control signal input terminals c, e' are open, i.e., a low level, the output of inversion logical sum, logical sum between the NRZ input signal and the clock signal appear at the terminals d, e, d', e' of the ECL 1, 1' to obtain the RZ signal.
Patent JP-S61243957-A (JP)
Title: Laser light source for plural beams
Inventor: ITO MASATAKA
IPC: H01S5/00
Filed: 1985-04-20
Abstract: PURPOSE:To obtain a stable laser light source for plural beams by providing a feedback circuit for resetting an optical output to a value which is set in advance, on at least one driving circuit of a semiconductor laser. CONSTITUTION:An optical output P of a semiconductor laser 21 is adjusted by a voltage V1 of one input terminal 25 of a differential amplifier 23, and voltages of an output terminal 24 of the amplifier and the other input terminal 26 become V0 and V1, respectively. In such a state, the optical output of the laser 21 whose threshold current is varied by the adjacent semiconductor laser or a disturbance such as an ambient temperature variation, etc. is varied to P+DELTAP, and an optical power which is made incident on a monitor use detector 22 is also varied. In accordance with it, the voltage of the input terminal 26 of the amplifier 23 goes to V1+DELTAV. This amplifier 23 is operated so that the voltage of the terminal 26 becomes V1, and the voltage of the terminal 24 becomes V0-DELTAV. Accordingly, the optical output of the laser 21 is reset to the value P, the optical power which is made incident on the detector 22 also goes to an initial state, and the optical output P of the laser 21 is maintained stably.
Patent JP-H01257481-A (JP)
Title: Dna having synthetic gene for producing human epidermal growth factor and plasmid recombinant thereof
Inventor: HARADA YOSHINORI
IPC: C07K14/485
Filed: 1988-04-08
Abstract: PURPOSE:To obtain a plasmid recombinant having the ability to produce a proteinic factor with human epidermal growth activity in Escherichia coli and base sequence having especially high translation efficiency between two translation signals (SD sequence and translation starting codon). CONSTITUTION:A DNA having a synthetic gene for expressing a human epidermal growth factor expressed by formula I and any of tac promoter, trp promoter and lacUV promoter or several thereof are arranged through preferably a nucleotide sequence expressed by formula II on the upstream side of a DNA having a synthetic gene for expressing a human epidermal growth factor expressed by formula I. Thereby, a polypeptide can be synthesized in bacterial cells of Escherichia coli with high efficiency.
Patent JP-H0388846-A (JP)
Title: Composition for infrared reflow and electronic part
Inventor: IKEJIRI FUMITOSHI
IPC: H01G4/224
Filed: 1990-03-30
Abstract: PURPOSE:To obtain a compound suitable for electronic parts for infrared reflow, having excellent heat resistance, consisting essentially of a polyamide comprising a specific dicarboxylic acid component unit and a specific diamine component unit. CONSTITUTION:(A) 100 pts. wt. polyamide comprising a dicarboxylic acid composed of a repeating unit consisting of 30-100mol % terephthalic acid component unit and 0-40mol% aromatic dicarboxylic acid component unit except terephthalic acid and/or 0-70mol% aliphatic dicarboxylic acid component unit and a diamine component composed of a repeating unit consisting of an aliphatic alkylenediamine component unit and/or an alicyclic alkylenediamine component unit, having 0.5-3dl/g intrinsic viscosity and 280-340 deg.C melting point is blended with (B) <=200 pts.wt., preferably 5-150 pts.wt. glass fibers.
Patent JP-H07273507-A (JP)
Title: Manufacture of circulator
Inventor: MIURA TARO
IPC: H01P11/00
Filed: 1994-04-01
Abstract: PURPOSE:To make the circulator small and to reduce the loss and the cost by stacking and sintering a sheet with a prescribed pattern formed thermally decomposed at a temperature below a sintering temperature of its magnetic material between sheets made of insulating magnetic materials and press-fitting and sintering a conductive paste into a cavity produced from the laminated sheet. CONSTITUTION:An upper sheet 10, an intermediate sheet 11 and a lower sheet 12 made of an insulating magnetic material are used for the circulator. Via-holes 13a-13c are formed to the sheet 11. Internal conductor patterns 14a-14c and 15a-15c are formed to an upper side of the sheets 11, 12. The sheets 10-12 are sequentially overlapped and stacked in a heat process and the stacked sheets are cut and separated into respective magnetic rotors. The sheets 10-12 are baked at a baking temperature of a YIG to obtain an integral magnetic block 16. In this case, an internal conductor pattern becomes an internal conductor use cavity 17. A conductor paste including silver powder is forced into the cavities 13a-13c and the conductors are sintered. Or a molten silver is forced into the cavities 17, and 13a-13c. Then a terminal electrode 19 is baked on the side face of the block 16 and a ground conductor 20 is baked onto upper and lower sides and side faces with no electrode 19 provided to them.
Patent JP-H07268995-A (JP)
Title: Permanent buried form for highly durable concrete, and its manufacture
Inventor: YOSHIMI KIMIO
IPC: C04B40/00
Filed: 1994-04-01
Abstract: PURPOSE:To ensure weather resistance and high strength by using a form material having specified porosity and bending strength, kneading prescribed quantities of cement, fiber, sand, silica, clay, plasticizer, and water, guiding the resulting mixture to a molding form followed by molding, and steam-curing it. CONSTITUTION:As a form material, cement, fiber, silica, sand, clay, plasticizer, and water are used, and the mixture is kneaded to mold a form. The form has reinforcements 32, and also has a porosity of 10-25% and a bending strength of 8-45MPa or 8MPa or more. In this case, the form contains 10-25wt.% of cement, 1-10wt.% of fiber, 5-30wt.% of sand, 10-40wt.% of silica, 5-30wt.% of clay, and 0.1-3wt.% of plasticizer. The reverse surface of the form 1 is irregularly formed.
Patent JP-H09285056-A (JP)
Title: Motor
Inventor: MOCHIZUKI SUKEYASU
IPC: H02K3/46
Filed: 1996-04-08
Abstract: PROBLEM TO BE SOLVED: To provide a motor including an inverter as a drive unit with a small installing space, and no fear of noise interference trouble, along with easy connection work by eliminating a connecting conduction wire. SOLUTION: A drive unit 14 as an inverter is mounted on a circuit board 12. The circuit board 12 is connected to a terminal part 11a of a coil 11 and fixed at a coil end 11b of a stator coil 11. In this way the driving device 14 is fixed in a nearest position to the end coil 11b of the stator coil 11, while the driving device 14 is connected directly to the terminal part 11a.
Patent JP-S59211998-A (JP)
Inventor: YAMAZAKI HIROYOSHI
IPC: H05B41/39
Filed: 1983-05-16
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-H11316513-A (JP)
Title: Heat fixing method and toner therefor
Inventor: TANIGAWA HIROHIDE
IPC: G03G9/08
Filed: 1999-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a toner heat fixing method excellent in fixability and an offset property when a fixing temp. is low and the offset property when the temp. is high. SOLUTION: A fixing device having a heating body 1 and a pressure member 5 coming into opposite press-contact with the heating body 1, to closely stick a transfer material 6 to the heating body 1 through the film 2, is used and electrostatic charge image developing toner incorporating at least a binding resin and a wax component is used. At this time, in the molecular weight distribution by GPC(gelpermeation chromatography) of the toner, at least one peak exists in a region of 3×10<3> -5×10<4> , at least one peak exists in a region of >=10<5> and a component of <=10<5> is >=50%. In the DSC curve obtained by measurement by a differential scan calorimeter of wax, the half-value width of a maximum endoergic peak when the temp. rises is >=10 deg.C. A toner image 7 formed with the above-mentioned toner is heated/fixed on the transfer material 6.
Patent JP-S59211425-A (JP)
Inventor: SASA HIROYUKI
IPC: A61B1/12
Filed: 1983-05-16
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-H11281168-A (JP)
Title: Refrigerator
Inventor: MORI TSUTOMU
IPC: F25B49/02
Filed: 1998-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator in which liquid injection control can be executed accurately by detecting delivery gas temperature of a compressor accurately. SOLUTION: The refrigerator comprises a temperature-sensitive tube 12 encapsulating a refrigerant having temperature dependent on the temperature of delivery gas from a compressor 1 constituting a refrigerating circuit, and a thermovalve 14 having a valve disc opening when the refrigerant pressure dependent on the temperature rise of refrigerant in the temperature-sensitive tube 12 reaches a specified level. Delivery gas temperature of the compressor is lowered by injecting a liquid refrigerant circulating through the refrigerating circuit into the compressor upon opening the valve disc of the thermovalve 14 and the temperature-sensitive tube 12 is embedded in the vicinity of the delivery port the compressor 1.
Patent JP-H11283645-A (JP)
Title: Solid polymer type fuel cell system
Inventor: HAMADA AKIRA
IPC: H01M8/10
Filed: 1998-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a solid polymer type fuel cell system which can reduce or eliminate the adverse effects of water fed from an auxiliary water tank. SOLUTION: This solid polymer type fuel cell system has a fuel cell main body 3 supplied with fuel gas and an oxidizer such as air to generate power, a main water tank 19 for circulating and supplying water to the fuel cell main body 3, and an auxiliary water tank 17 for replenishing the main water tank 19 with water. Exhaust from the fuel cell main body 3 is made to pass through the auxiliary water tank 17.
Patent JP-H06274898-A (JP)
Title: Method and device for lens tilt adjustment
Inventor: NISHIKAWA HIROSHI
IPC: G02B7/00
Filed: 1993-03-19
Abstract: PURPOSE:To smoothly adjust the tilt of a lens mounted on a movable supporting member. CONSTITUTION:A laser beam is projected from an objective lens 150 and an optical interference fringe is generated by means of the reflected light of the laser beam by a hemispherical lens 202. The magnitude of the strain of the interference fringe is changed by the relative tilt of the objective lens 150 and a cover glass A. Next, a claw 401 for tilt adjustment is brought into contact with the upper surface of the objective lens 150. By energizing the solenoid coil 163 of a supporting member 151, the supporting member 151 is raised and the objective lens 150 is abutted on the claw 401 for tilt adjustment. The claw 401 for tilt adjustment is separated from the objective lens 150 and the strain of the interference fringe is observed. When the objective lens 150 is further tilted, the claw 401 for tilt adjustment is inclined. The claw 401 for tilt adjustment is brought into contact with the upper surface of the objective lens 150, the supporting member 151 is again raised and the objective lens 150 is abutted on the claw 401 for tilt adjustment. Thereafter, the similar procedure is repeated.
Patent JP-H0224222-A (JP)
Title: Door cartridge
Inventor: DEBITSUDO JIEEMUSU ROMASUNII
IPC: B60J5/04
Filed: 1989-04-04
Abstract: PURPOSE: To facilitate the manufacture by mutually connecting front and rear vertical frame members, a lower cross member, an upper belt line cross member, and an intermediate cross member, and making a frame member itself function as a regulating guide for guiding the rise and fall of a window glass. CONSTITUTION: This door cartridge is formed of front and rear vertical frame members 22, 24 of C-shaped structure, an upper door frame 40 connected to the upper end parts thereof, and a lower cross member 46 connected to the lower end parts thereof. The frame members 22, 24 have inward groove parts 26, 28 useful as the guide for a window glass 30. A belt line cross member 50 is installed to the inside of the frame members 22, 24, and an intermediate cross member 58 is installed between the cross member 50 and the lower cross member 46. The window glass 30 is raised and lowered through a cable guided within a shield 65 by the operation of a drum assembly 66 in a window regulator provided on the intermediate cross member 58.
Patent JP-H05289572-A (JP)
Title: Image forming device
Inventor: NAKAYAMA TOMOFUMI
IPC: G03G15/00
Filed: 1992-04-07
Abstract: PURPOSE:To improve safety preventing the occurrence of accidents of firing or emitting smoke even when material to be recorded is wrapped around a roll, etc., in a heat fixing part. CONSTITUTION:A thermister 208 is placed in a position on the roll for heat fixing 17 where transfer paper passes and a thermister 209 is placed in an end position of the roll 17 where the transfer paper does not pass. When the specified value exceeds by difference value of the detected temperature of these thermisters 208 and 209, judgement that the transfer paper is wrapped around the roll 17, is made by CPU 201, then a roll heater 212 is turned off and a switch 210 for a safety device is also turned off. Furthermore, the starting time of the heat fixing part is set with a timer according to the detected room temperature by a thermister 701 and the temperature of the thermister 209 by the CPU 201, and the heater 212 and the switch 210 are turned off when the temperature of the roll 17 does not reach the set temperature even in the case of the time-out of the timer.
Patent JP-H10261883-A (JP)
Title: Control unit
Inventor: TOMINAGA KIYOSHI
IPC: H05K5/02
Filed: 1997-03-19
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive control unit which can be cooled individually while decreasing the number of components. SOLUTION: The control unit comprises a casing 2 encasing an electronic component 11 and having flanges 21, 22 to be fixed to a control board 6, and a heat sink 3 having a plurality of fins 31 extending vertically and being fixed to the back side of the electronic component 11. The flanges 21, 22 can be attached removable with an angular frame attachment 4 having a surface to be fixed and the attachment 4 has upper and lower surfaces 41, 42 facing the upper and lower end faces of the heat sink 3 respectively, vents 43, 44 made through the upper and lower surfaces 41, 42, and a part 44a for fixing a cooling fan 5 to the lower surface 42. According to the structure, the cooling fan 5 can be fixed easily without requiring any additional component.
Patent JP-S62240784-A (JP)
Inventor: STRUCK BERND DIETER
IPC: C25B9/23
Filed: 1987-04-09
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-S5322317-A (JP)
Title: Pulse width moduration signal generator of picture display unit
Inventor: SAITOU NAOTAKE
IPC: G09G3/20
Filed: 1976-07-21
Abstract: PURPOSE: In a matrix display unit which uses liquid crystal, etc., a pulse width moduration signal is generated, so that an integration circuit can be made efficiently by a simple constitution. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H09251229-A (JP)
Title: Electric charge generator for electrostatic latent image forming device
Inventor: KITAZAWA MASASHI
IPC: B41J2/415
Filed: 1996-03-15
Abstract: PROBLEM TO BE SOLVED: To provide an electric charge generator for an electrostatic latent image forming device capable of forming a control voltage clearance between a finger electrode and the screen electrode without use of a thick insulated film, and improving the durability while reducing the dispersion of an ion pickup amount. SOLUTION: The device is provided with a groove part 2 whose depth is approximately equal to the clearance required between the finger electrode and the screen electrode, formed on the insulating base body 1, and plural line electrodes 3 formed in parallel to each other so as to cross at right angle to the groove part 2. Then, a dielectric layer 4 provided with a uniform thickness is formed on the insulating base body 1 and the line electrodes 3, and the finger electrode 5 is formed along a bottom surface of the groove part 2 on the dielectric layer 4 so as to cross the line electrodes 3. Moreover, the electric charge generator is composed by disposing the planner screen electrode 7 provided with the screen opening 8 on a part corresponding to the crossing part of the line electrode 3 and the finger electrode 5 across the insulating layer 6, on the dielectric layer 4 formed on the insulating base body 1.
Patent JP-S63253161-A (JP)
Title: Control device for variable venturi type carburetor
Inventor: YAMAOKA YASUHIRO
IPC: F02M7/17
Filed: 1987-04-08
Abstract: PURPOSE:To ensure the proper air-fuel ratio of a mixture by opening a variable venturi with the increase in engine speed and load at the time of warming up, closing said venturi with the reduction in the engine speed and load, and increasing a valve opening restraining area at the time of cold engine. CONSTITUTION:A variable venturi valve 6 is liftably fitted in the venturi part 1a of a carburetor C. A venturi negative pressure chamber 8 and an atmospheric pressure chamber 9 are provided up and down interposing the pressure receiving part 6a on the top end of the variable venturi valve 6. This negative pressure chamber 8 is connected to the venturi part 1a via a small hole 11 on the bottom part of the valve 6. And, the chamber 8 is also connected to the air via a solenoid valve 14. A control device 22 receives various signals and, at the time of warming up, it controls the valve 14 in the opening direction accompanying the increase in engine speed and load, and vice versa. At the time of cold engine, the valve opening area of the valve 14 is increased. Thereby, the air-fuel ratio of a mixture can be properly controlled at all times.
Patent JP-H09273326-A (JP)
Title: Multistory parking space
Inventor: FUJIMOTO TAKASHI
IPC: E04H6/28
Filed: 1996-04-09
Abstract: PROBLEM TO BE SOLVED: To stably hold a pallet on getting on it by use of a lifting base vertically transferring pallets for loading cars and simplify the holding structure to support the pallets thereby and reduce the building floor area of the parking space. SOLUTION: This multistory parking space is provided with a passage to the outside, connecting to the entrance/exit through which cars drive in and out, a plurality of containing shelves for pallets P vertically arranged to load cars, a lifting base 7 loading the pallets and vertically transferring along the vertical lifting way, ropes suspending the lifting base, and a transfer device of the pallets P moving between the lifting base 7 and the containing shelves. A mounting member 43 for the pallets, put on a mounting base 47 is set on the lifting base 7 in the state that the lifting base 7 is positioned at the connecting passage to the outside and the mounting member 43 is set to form a protruded posture and put on the upper face of mounting base 47 to hold the lifting base 7 with the mounting base 47.
Patent JP-H05253911-A (JP)
Title: Production of ceramic component
IPC: C04B35/00
Filed: 1992-03-10
Abstract: PURPOSE:To obtain a method for producing ceramic components which is capable of preventing generation of a defective without deteriorating the yield of a product. CONSTITUTION:The kneaded material of ceramic powder and a binder is injection-molded and the obtained molded form is degreased and there-after sintered to produce ceramic. components. In the producing stage, the difference of both the temperature of the molten kneaded material and the initial temperature of a mold for imparting the aimed shape is regulated to the temperature lower than 20 degrees. The molten kneaded material is filled into the mold and thereafter cooled to the normal temperature and a molded form is obtained. Furthermore in the case of filling the molten kneaded material into the mold and cooling the same to obtain the molded form, a plurality of pieces of pressure sensing parts are provided in the inscribed face for imparting the shape of the mold. Dispersion of pressure value thereof is regulated to the range within 10%. Therefore in the method for producing ceramics by an injection molding method, yield in a time of molding and sintering is enhanced.
Patent JP-H07293704-A (JP)
Title: Composite packing
Inventor: TAKAHASHI TAKAMICHI
IPC: F16J15/20
Filed: 1994-04-25
Abstract: PURPOSE:To provide a structure capable of easily mounting a composite packing in a packing holding groove whose structure is inexpensive and of non- disassemble type. CONSTITUTION:In a composite packing 3, a Teflon sliding member 1 on the sliding surface side of the outer circumference is disconnected at several parts in the circumferential direction, and disconnected parts and the holding groove side on the inner circumference are composed of rubber material 2, the Teflon (registered trade-mark) sliding material is integratedly adhered to the rubber material by the rubber material 2. The outer circumferential edge of a corrugated Teflon annular plate is exposed on the sliding surface, and the other part is formed of the rubber material, and the Teflon annular plate is integratedly adhered to the rubber material to make a composite packing. In addition, the mesh of the Teflon annular mesh member provided with a number of meshes in the half-circular section on the outside is aligned to the sliding surface, and the parts in the mesh and the other parts are formed of rubber, and the Teflon mesh member is integratedly adhered to the rubber to make a composite packing.