baber/WOPTO huggingface dataset:
Patent JP-H01268070-A (JP)
Title: Heterojunction type field-effect transistor
Inventor: UCHITOMI NAOTAKA
IPC: H01L29/205
Filed: 1988-04-20
Abstract: PURPOSE:To obtain a transistor whose pinch-off characteristic is improved, by laminating first to third semiconductors sequentially, holding the second semiconductor layer whose impurity concentration is higher than the concentrations of the first and third semiconductor layers between the first and third semiconductor layers, thereby forming a quantum well in the second semiconductor layer, and providing a gate electrode to the third semiconductor layer. CONSTITUTION:The following parts are provided in this transistor: a first semiconductor layer 31; a second semiconductor layer 41 which is laminated thereon; a third semiconductor layer 51 which holds the second semiconductor layer 41 together with the first semiconductor layer 31 thereby forming a quantum well in the second semiconductor layer 41 and which is laminated on the layer 41; and a gate electrode 61 which is provided on the third semiconductor layer 51. The impurity concentrations of the first and third semiconductor layers 31 and 51 are made lower than the impurity concentration of the second semiconductor layer 41. For example, the undoped GaAs layer 21 is formed on the semi-insulating GaAs substrate 1 as a buffer layer. The undoped GaAlAs layer 3, the n-type GaAs layer 41 and the undoped GaAlAs layer 51 are formed on the layer 21. Then, the gate electrode 61 is formed. Si<+> ions are implanted, and n<+> source and drain regions 71 and 81 are formed. Source and drain electrodes 91 and 101 are formed on the n<+> source and drain regions 71 and 81.
Patent JP-S582104-A (JP)
Title: Heat-resisting conveyer belt and transport apparatus
Inventor: TAKEDA KAZUYA
IPC: B65G15/42
Filed: 1981-06-20
Abstract: PURPOSE:To prevent meandering of a tape to be driven stably by providing a tape formed of heat-resisting synthetic resin complex, to which a projection fromed of the same material is secured. CONSTITUTION:A tape 10 is formed of a complex of a glass cloth coated with a heat-resisting synthetic resin, polyethylene quadrivalent fluoride. A bar ledge 11 formed of the same material as the tape is adhered to the tape to be integral therewith. The ledge 11 may be formed into assigned shapes, such as a trapezoid, a semicircle or the like. The ledge 11 is engaged with a groove of a driving pulley so as to ensure driving of a belt and prevent meandering of the belt.
Patent JP-S59221349-A (JP)
Title: Weather-resistant vinyl chloride resin composition
Inventor: ENOSHITA RIYOUSUKE
IPC: C08K5/00
Filed: 1983-06-01
Abstract: PURPOSE:To obtain the titled composition suitable for a durable agricultural covering material having remarkably improved weather resistance, by compounding an alkanedisulfonic acid ester compound and an epoxy compound to a vinyl chloride resin. CONSTITUTION:100pts.wt. of a vinyl chloride resin is compounded with (A) 1- 50pts.wt. of the alkanedisulfonic acid ester compound of formula (X and Y are alkyl or aryl; R is alkylene) and (B) 0.2-10pts.wt., preferably 1-5pts.wt. of an epoxy compound. The ester compound is preferably a compound of formula wherein X and Y are phenyl which may have one to three 1-4C alkyl groups, and R is 6-22C alkylene, preferably 10-18C alkylene. The epoxy compound is e.g. epoxidized soybean oil, etc.
Patent JP-S58212957-A (JP)
Title: Forming method of nozzle of ink jet recording head
Inventor: KAWAKUBO TOSHIO
IPC: B41J2/135
Filed: 1982-06-04
Abstract: PURPOSE:To obtain a nozzle capable of atomizing ink stably and causing atomized ink particles to fly stably by such as arrangement wherein when the nozzle of an ink jet head is molded by electroforming, a spiral projection or groove is formed around its core. CONSTITUTION:For example, on the outer surface of a core 1 of 30mum in diameter, a pair of straight grooves 1a, 1b of 2-5mum in depth are formed in its axial direction, and this core is installed between the hook 8a of a supporting member 3 and a twisting member 4 and this assembly is set in an electrodeposit tank 2, and after that the twisting member 4 is twisted and spiral grooves 1a, 1b are formed on the outer surface of the core 1. An electrodeposit layer 10 is formed on the core 1 by electroforming method, and after that, the core 1 is removed (e.g.; by dissolution). The electrodeposit layer 10 thus obtained is cut into a desired size to obtain the titled nozzle.
Patent JP-S62252407-A (JP)
Title: Cycloolefin random copolymer
Inventor: MINAMI SHUJI
IPC: C08F4/60
Filed: 1986-04-26
Abstract: PURPOSE:To obtain the titled copolymer narrow in an MW distribution and a composition distribution and excellent in heat resistance, transparency, chemical resistance, etc., by copolymerizing ethylene with a specified cycloolefin. CONSTITUTION:While the concentration of a soluble vanadium compound (a) fed to the polymerization system is kept at a value which is at least ten times the concentration of component (a) in the polymerization system and the ratio of Al to V (Al/V) in the polymerization system is kept at 2 or larger, the component (a) and an organoaluminum component (b) are fed continuously to the system and 1-99mol% ethylene is copolymerized with 99-1mol% cycloolefin of formula I or II (wherein R<1-10> are each H, a halogen, a hydrocarbon group, n and m are positive integers, and l>=3) to obtain a cycloolefin random copolymer consisting of 40-97mol% ethylene-derived repeating units and 60-3mol% cycloolefin-derived repeating units of formula III or IV and having an intrinsic viscosity of 0.01-20dl/g when measured in decalin at 135 deg.C, an MW distribution <=4 when measured by gel permeation chromatography, a glass transition temperature of 10-24 deg.C and a crystallinity of 0-10% when measured by X-ray diffractometry.
Patent JP-H07275526-A (JP)
Title: Air-borne floating body
Inventor: SHIMADA KUNIO
IPC: A63H27/08
Filed: 1994-04-09
Abstract: PURPOSE:To apply auxiliary buoyancy and ensure proper air-borne floating even in the weak natural wind by attaching a buoyancy bag made of a bag of rubber or the like sealing hydrogen or the like, regarding a carp pennant or the like floating in the air, using dynamic lift or the like generated due to the mutual action of the natural wind and an air flow. CONSTITUTION:An air-borne floating body, for example, a carp pennant 1 is tied to the upper section of a pole 2 via a mooring cord 3 against the wind, and becomes afloat in the air, using dynamic lift or the like generated due to the mutual action of the natural wind and an air flow. In this case, a buoyancy bag made of a rubber or synthetic resin bag sealing hydrogen or helium, for example, a balloon 4 and a small balloon 5 are attached to the pennant 1 at a suitable outer or inner position, thereby applying auxiliary buoyancy to the pennant 1 via the bags 4 and 5. As a result, the proper floating of the pennant 1 can be ensured, even in the weak natural wind. According to this construction, a wind direction can be properly identified even in the weak wind, when the pennant 1 is used as a streamer.
Patent JP-S5720383-A (JP)
Title: Printer
Inventor: FUSHIMOTO HIDEO
IPC: B41J19/58
Filed: 1980-07-14
Abstract: PURPOSE: To alter the amount of a column fed of a type ring by a construction wherein two ratchet mechanisms with different diameters are mounted onto the same shaft, and the connecting relationship of the two ratchet mechanisms can be selected.  
     CONSTITUTION: In the printer according to a system in which a tip of a connecting cord 17 fitted to a bracket 16 of the type ring 11 is wound on a winding drum 24 in order to move the type ring 11 in the left direction along the shaft 12 and the cord is slacked and the type ring is moved in the right direction by means of a spring 18 attached at the right side of the bracket 16, the two ratchets 25a, 25b with different diameters are mounted to the winding drum 24 in coaxial shapes while feeding levers 26a, 26b which can each be connected to the ratchets are set up, and one of the ratchets is selected in conformity with the amount of the type ring fed in the axial direction and connected. The connection is selected by means of a change-over switch 9 connecting to the arm sections of each feeding lever 26a, 26b. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S59219831-A (JP)
Title: Method for coating phosphor
Inventor: TOUKAWA MASAHIRO
IPC: H01J9/22
Filed: 1983-05-30
Abstract: PURPOSE:To uniformalize the coat thickness of a phosphor, eliminate the unevenness of brightness and obtain the maximum optical output by a method wherein the heating temperature that dries a phosphor slurry with which the inner surface of a glass bulb is coated differs in each section of the glass bulb. CONSTITUTION:The temperature of each of hot air blowers 6 is set, depending on each location of a glass bulb 1 to a higher temperature in a section in which the coat thickness of a phosphor is reduced by the conventional coating and drying method and a thicker section is controlled so as to be set to a lower temperature. As a result, since drying is accelerated on the glass bulb of the phosphor slurry and the uniform coat thickness can be formed as a whole, the unevenness of brightness is removed when a lamp lights. In addition, since the optimum coat thickness can be formed over the overall length of the bulb, the maximum optical output can be obtained.
Patent JP-H02276384-A (JP)
Title: Solid state image pickup device
Inventor: NAKAMURA TSUTOMU
IPC: H04N5/335
Filed: 1989-04-18
Abstract: PURPOSE:To reduce the power consumption and to attain the proper overflowing and resetting actions by setting the terminal of each picture element at a video bias potential and an earth potential respectively in a period when the signals are taken out of each picture element and setting the potential difference between terminals at an equal level in a period when no signal is taken out of the terminals. CONSTITUTION:A common drain terminal 21 is kept at a potential VDD applied from a video bias power supply during a valid period of a video signal. At the same time, a reference line 7 is connected to a GND. Meanwhile the terminal 21 is connected to a power supply having an intermediate potential V0 during a flyback time of the video signal. Then the source of each picture element is also connected to the power supply of the potential V0 via the line 7 and a switch 22. As a result, the potential difference is equal to zero between the drain and the source of each picture element and no source current flows in a period when the extra stored electric charge overflows and the stored electric charge is reset within a flyback time of a picture signal.
Patent JP-S5721884-A (JP)
Title: Semiconductor laser
Inventor: KIWA YOSHITO
IPC: H01S5/22
Filed: 1980-07-14
Abstract: PURPOSE:To increase the light output of a semiconductor laser of lateral junction stripe (TJS) type by increasing the immersion of the light to a clad layer in the vicinity of resonant face and decreasing the immersion of the light to the central clad layer. CONSTITUTION:Recess and raised regions 11, 12 are formed on an n type high specific resistance GaAs substrate 1, and p type Ga0.4Al0.6As layer 13, the first clad layers 14, 14' of p type Ga0.9Al0.1As layer having narrow forbidden band less than the layer 13, n type GaAs active layer 15, and the second clad layer 16 of n type Ga0.9Al0.1As layer are formed thereon. Further, n type electrode 7 and p type electrode 8 are formed on the surface.
Patent JP-S62253303-A (JP)
Inventor: FUJII KAZUO
IPC: A01B63/111
Filed: 1986-04-24
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-H02275571-A (JP)
Title: Information processor
Inventor: HIROSE KENJI
IPC: G06F17/30
Filed: 1989-04-18
Abstract: PURPOSE:To improve data control capacity while suppressing the increment of the capacity of a magnetic disk and to define a data base to be used when necessary by providing the information processor with the 2nd storage means for storing the use of either one of the 1st and 2nd retrieving information. CONSTITUTION:At the time of accessing storage information stored in an optical storage means 20, the use of the 1st retrieving information or the 2nd retrieving information is decided by referring the 2nd storage means 27. In the case of using the 1st retrieving information, the means 20 is directly referred, and in the case of using the 2nd retrieving information, the 2nd retrieving information is formed in the 1st storage means 26 and then the storage information is accessed. Thereby, it is unnecessary to temporarily transferring the 1st retrieving information in the means 20 to a storage means. Even if the information capacity of the data base is increased, the data control capacity is improved without increasing the capacity of the storage means and the 1st or 2nd retrieving information matched with a user's request is used by changing the contents of the 2nd storage means 27.
Patent JP-S63261882-A (JP)
Title: Semiconductor element
Inventor: SUGIURA HIDEO
IPC: H01L31/04
Filed: 1987-04-20
Abstract: PURPOSE:To prevent the heat deterioration of a GaAs tunnel diode, by interposing a heat deterioration protecting layer composed of A GaAs between a tunnel junction layer and a lower cell. CONSTITUTION:On an n-type GaAs substrate 100, the following are stacked in order; a heat deterioration protecting layer 7, i.e., AlXGa1-XAs layer (carrier density 3X10<18>cm<-3>, film thickness 0.5mum), a tunnel junction layer 3, i.e., n<++> type GaAs layer (6X10<18>cm<-3>, 0.05mum), a p<++> type layer (1.5X10<19>cm<-3>, 0.05mum), a rear electric field layer 4 of AlXGa1-XAs layer (5X10<18>cm<-3>, 1mum), and an electrode layer 6 of GaAs layer. Thereby, an upper cell 2 composed of AlGaAs to be arranged on the upper part can be grown (formed) at a high temperature without deteriorating characteristics of the tunnel junction layer 3, so that a multi-wavelength semiconductor element with excellent characteristics can be easily realized.
Patent JP-S6084404-A (JP)
Title: Servo valve
Inventor: ITOU SEIICHI
IPC: F16K31/06
Filed: 1983-06-02
Abstract: PURPOSE:To simplify the mechanical structure and to reduce the size, by enabling mechanically independent function of original pressure valve and relief valve while coupling both valves through an electric circuit. CONSTITUTION:An original pressure valve 32 is constructed with valve seat 27, valve body 31, magnetic pole plate 30 and coil 29 while a relief valve 34 is constructed with valve seat 35, valve body 39, magnetic pole plate 38 and coil 37 where they 32, 34 will function mechanically independently. They 32, 34 are also coupled through an electric circuit. Consequently, the mechanical structure can be considerably simplified to reduce the size.
Patent JP-S58214429-A (JP)
Title: Dimmer device for car display unit
Inventor: NOMURA HIROYUKI
IPC: B60Q1/14
Filed: 1982-06-08
Abstract: PURPOSE:To make the dimming characteristic in the day time or nighttime selectable at will, by installing a release device capable of releasing a state of being dimmed even when a lighting switch is on, in case of a device dimming display lighting brightness in time of the lighting switch being on. CONSTITUTION:In the daytime, when a lighting switch 2 is turned to OFF, the supply voltage is given to a dimming unit 4 via an ignition switch 3, and voltage by a dimming level adjusting knob 4a is fed to an electronic display unit 7. On the other hand, when a night switch 2 is turned to ON, a dimming selector part 8 is excited and thereby voltage from the dimming unit 4 is given to a driving circuit 10 via a dimmer device 9 so that the display brightness of a display part 11 drops. Now, in the daytime, when the lighting switch is turned to ON due to fog or damp, etc., if a cancel switch 12a built in the dimming knob is turned to OFF, the dimming selector part 8 is selected whereby the dimmer device 9 is bypassed and the display brightness is maintained in accordance with daytime illuminance. Thus, light can be dimmed into optional brightness.
Patent JP-H03293616-A (JP)
Title: Optical modulator utilizing plasma vibration
Inventor: MATSUDA HIROSHI
IPC: G02B26/02
Filed: 1990-04-12
Abstract: PURPOSE:To modulate the intensity of waveguide light optionally over a wide range by controlling the coupling intensity between the waveguide light and the plasma vibration of the surface of a metallic plate and varying the intensity of the waveguide light. CONSTITUTION:The metallic plate 2 is arranged on an optical waveguide 1 in parallel to the total reflecting surface of the waveguide 1 and the distance (d) between this metallic plate 2 and the total reflecting surface of the optical waveguide 1 is varied by an actuator as a movable means. For the purpose, this distance (d) is controlled to vary the coupling intensity between the light 4 which is guided by the optical waveguide 1 and the plasma vibration of the plasma vibration of the surface of the metallic plate 2, thereby varying the intensity of the waveguide light. Consequently, optional and continuous intensity modulation becomes possible, the constitution which is easily manufactured and small in size is obtained, and the optical intensity modulator which can easily be included even in an optical integrated circuit is obtained.
Patent JP-H01268528-A (JP)
Title: Floor nozzle of vacuum cleaner
Inventor: NAKAMURA KAZUO
IPC: A47L9/04
Filed: 1988-04-20
Abstract: PURPOSE:To maintain always the function of an agitator satisfactorily by providing a slide piece formed of a molding material containing vulcanized polyurethane rubber, including reinforcing agent and talc as an agent for reducing coefficient of friction blended with each other and having a plurality of projections on at least a surface on the peripheral surface of rotor to constitute the agitator to be provided together with a drive power source in a floor nozzle body. CONSTITUTION:An agitator 16 is constituted by attaching a slide piece 35 to the longitudinal outer peripheral surface of a rotor 34. The slide piece 35 is made of a flexible material formed of vulcanized urethane rubber and formed on at least one surface (rotational side surface) with a plurality of projections 36. By adding 30-60pts.wt. of talc to 100pts.wt. of the vulcanized polyurethane rubber, the coefficient of friction is reduced, while improving more surely the service life, which is over five years being the service life of a floor nozzle, satisfying the slide piece having the durability for 500 hours or more. Also, the hardness is set to 50-70 degrees of JIS K6301 by A system measurement of a spring hardness tester in 10 second value.
Patent JP-H04325547-A (JP)
Title: Polyester resin composition for injection molding and injeciton molded article
Inventor: IKENAGA NAOYUKI
IPC: B29C45/00
Filed: 1991-04-26
Abstract: PURPOSE:To decrease melt viscosity and improve processability without decreas ing mol.wt. by compounding a polyester resin for injection molding with a specific compd. CONSTITUTION:1 mol of pyromellitic dianhydride is reacted with about 2 mol of 12-28C alkylamine to give a bisamide compd., which is condensed by dehydration to give a compd. of the formula wherein R is 12-28C linear or branched alkyl. 100 pts.wt. polyester resin for injection (pref. polyethylene or polybutylene terephthalate) is compounded with 0.1-20 pts.wt. compd. of the formula to give the title compsn., which is injection molded.
Patent JP-S60241964-A (JP)
Title: Prepartion of flocked body
Inventor: MATSUKI MASAMITSU
IPC: B05D1/14
Filed: 1984-05-14
Abstract: PURPOSE:To soften the touch of a flocked pile by laminating nonwoven fabric on a base material consisting of a thermoplastic resin, softening the laminated body by heating and molding with a press, then coating an adhesive on the nonwoven fabric and raising the flocked pile. CONSTITUTION:A sheet of nonwoven fabric 2 comprising a thermoplastic resin such as polyester, polypropylene, etc. is laminated on a base plate 1 consisting of a thermoplastic resin. The laminated body is softened by heating with an electric heater 3 at 150-250 deg.C, and molded to a specified shape with a press 4, and the base plate 1 is melted to stick to the nonwoven fabric 2 to form a base material 5. Then, an acrylic adhesive 7 is coated on the surface of the base material 5 with a spray 6, and the flocked pile 8 comprising short fibers is raised in an electrostatic flocking machine 10 before the adhesive 7 is hardened. The adhesive 7 is then hardened in a drying oven 9; thus, the flocked body is completed.
Patent JP-S5322965-A (JP)
Title: Simulator thr ough numerical model of recording elements in heat engine
Inventor: MATSUMOTO NAOKI
IPC: G05B17/00
Filed: 1976-08-13
Abstract: PURPOSE: The apparatus mentioned above which generates the constitutional amounts such as pressure and temperature from the mass balance model and the energy balance model at the inlet and the outlet for the recording elements of the heat engine. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H02279605-A (JP)
Title: Ointment formulation for treating cultivated plant
Inventor: KURAISHI SUSUMU
IPC: A01N43/22
Filed: 1989-04-19
Abstract: PURPOSE:To obtain the subject ointment having excellent activity stabilized for a long period by blending an effective amount of brassinolides with ingredients composed of an organic solvent selected form amide-based polar solvents and dimethyl sulfoxide, lower aliphatic alcohol and ointment base in a specific proportion. CONSTITUTION:An ointment for treating cultivated plants obtained by blending an effective amount of brassinolides with a mixture composed of 0.01 to 20wt.% at least one organic solvent (especially preferably dimethylformamide, N- methylpyrrolidone, etc.) selected form amide-based polar solvents and dimethyl sulfoxide, 1 to 30wt.% lower aliphatic alcohol (especially preferably ethanol) and 50 to 99wt.% ointment base (especially preferably lanolin). More improved activity can be stably obtained by adding the abovementioned ingredients to the brassinolides. The brassinolides-containing ointment is capable of exhibiting excellent physiological activity by application thereof to various plants.
Patent JP-H02276802-A (JP)
Title: Production of arabinogalactan
Inventor: SHIBAZAKI MASAAKI
IPC: C08B37/00
Filed: 1989-04-19
Abstract: PURPOSE:To easily obtain arabinogalactan in high purity with a small-sized apparatus by extracting arabinogalactan from the ligneous part of a wood of genus Larix and removing the impurities from the extract using an ultrafiltration membrane. CONSTITUTION:Sawdust, chips, etc., of larch tree collected from sawmills are immersed in preferably 4 times amount of water at room temperature for about 30min to extract arabinogalactan. The objective arabinogalactan is separated by removing the impurities from the extracted liquid with an ultrafiltration membrane.