baber/WOPTO huggingface dataset:
Patent JP-S57106631-A (JP)
Title: Preparation of alkylene glycol
Inventor: AKASAKI KAZUMOTO
IPC: C07C27/00
Filed: 1980-12-23
Abstract: PURPOSE: To prepare the titled compound useful as a raw material of polyester, etc.,  from alkylene oxide through alkylene carbonate, in high purity and yield, and economically in an industrial scale, by using proper catalyst and process.  
     CONSTITUTION: A monoalkylene glycol can be prepared by the following steps. (i) Reaction of an alkylene oxide with CO 2  in the presence of the reaction intermediate (alkylene carbonate) and a carbonating catalyst (alkali metal halide). (ii) Separation of  the produced liquid containing the intermediate into gas and liquid (10). (iii) Distillation  of the liquid phase to separated the intermediate in the distillate, recovery (20) of the  catalyst from the ?bottom in the form of the intermediate solution, and recycling of  the recovered catalyst to the reactor 1. (iv) Recovery (58) of the unliquefied intermediate by cooling with an absorbing in the absorbing liquid. (v) Hydrolysis (28) of the  intermediate mixture liquid obtained from the steps iii and iv with water in the presence of a fixed bed hydrolysis catalyst (activated alumina) to obtain a liquid containing the titled compound. (vi) Separation of the liquid into gas and liquid. (vii) Dehumidification (55) of the gaseous phase (CO 2 ) of the steps ii and vi, and recycling to the  reactor 1. (viii) Distillation and dehydration of the liquid produced in the step vi. (ix)  Fractional distillation (44) of the hydedrated product.  
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0738144-A (JP)
Title: Lead frame for optical coupler
Inventor: TAMINAGA TAKAYUKI
IPC: H01L31/12
Filed: 1993-07-22
Abstract: PURPOSE:To prevent an opening from being deformed when a positioning pin is inserted into it and a lead frame from rising up in a shot welding operation. CONSTITUTION:A light emitting side lead frame 1 and a photodetective side lead frame 11 are provided, the frames 1 and 11 are possessed of pairs of cradles 2a, 2b and 12a, 12b respectively, and first openings 5a, 5b, 15a, and 15b are provided to the cradles 2a, 2b and 12a, 12b, wherein these openings are coincident with each other when the cradles 2a and 12b and the cradles 2b and 12a are made to overlap each other. Furthermore, a second round opening 10 is bored in the cradle 2a, and a third elliptical opening 20 is provided to the cradle 12b, wherein the openings 10 and 20 are so formed as to be correspondent to each other when the cradles 2a and 12b are made to overlap each other.
Patent JP-S6159780-A (JP)
Title: Semiconductor device
Inventor: MIYAZAWA YOSHIHIRO
IPC: H01L29/808
Filed: 1984-08-30
Abstract: PURPOSE:To enable to independently set the characteristics of drive field effect transistors (FET) with good controllability by composing the transistor of Schottky gate FET and a load FET of a junction gate FET. CONSTITUTION:After n type channel regions 2, 3 are formed on a semi-insulating GaAs substrate 1, a passivation film 4 is coated, an impurity is diffused in high density through the hole 4a of the film 4, thermally diffused to form a gate region 5 controlled in the junction depth. Then, holes 4a-4e are formed at the prescribed portions of the film 4, and an ohmic metal is coated on the substrate 1 through the holes 4b-4e to form source electrodes 6, 7 and drain electrodes 8, 9. Then, a Schottky gate electrode 10 is coated on the hole 4f of the film 4, heat treated to control the threshold value voltage of a Schottky gate FET13 to the prescribed value. Then, a gate electrode 12 is formed in the hole 4a.
Patent JP-S6073058-A (JP)
Title: Explosion-proof system for firing distributor of internal- combustion engine
Inventor: SONOBE YOSHINOBU
IPC: F02P7/02
Filed: 1983-09-29
Abstract: PURPOSE:To improve the assembling and vibration-proof performance of an explosion-proof system by inserting a metal having more than two facing plane sections with interval through a vent in housing for an firing distributor. CONSTITUTION:A metal 3 formed by bending plate sections 3D, 3E facing each other is inserted and secured with interval in a groove 4A of a vent 4 in the housing 1 of firing distributor. Said metal 3 is made of SUS, for example, having high heat conduction where fixing projections 3A-3C are formed on the plate section 3D while a recess 31 for vent is formed between them and a vent hole 3F is made in the center of the plate section 3E. Consequently, even if leaked gasolin vapor has intruded into the firing distributor and exploded, flame and heat are shielded by the planar sections 3D, 3E of metal 3 having high heat conduction to prevent from dispersing into the engine room and burning, a resulting in improvement of assembling and vibration-proof performance of explosion-proof structure.
Patent JP-S5972102-A (JP)
Inventor: ENDOU SATSUO
IPC: G05G1/00
Filed: 1982-10-18
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-H0599513-A (JP)
Title: Freezer device
Inventor: YOSHIKAWA HIDEO
IPC: F25B1/00
Filed: 1991-06-27
Abstract: PURPOSE:To reduce noise at a freezer device. CONSTITUTION:Some carbon fine particles 4 are mixed in refrigerant 3 for a freezer device comprising a compressor, a heat exchanger and a pressure reducing device. Although much volume of refrigerant bubbles 32 injected from a capillary tube 11 into an enlarged pipe 12 have air bubbles 321, some carbon fine particles 4 strike against the refrigerant bubbles 32 vigorously to cause the air bubbles 321 to be broken and diminished without being substantially grown, resulting in that explosion sound of the refrigerant is reduced and noise is also reduced.
Patent JP-H05347398-A (JP)
Title: Original reader
Inventor: KURATA SHINICHIRO
IPC: H01L27/146
Filed: 1992-06-15
Abstract: PURPOSE:To reduce an inverted after-image generated in an original reader generally called 'close contact type image sensor' and to read at higher speed. CONSTITUTION:An original reader 10 has a photodiode 14, a blocking diode 16 and channel wirings C1, C2,..., Cn. Not only upper electrodes 14c, 16c of the photodiode 14 and the diode 16 but also lower electrodes 14a, 16a are formed of ITO. Thus, a leakage light from a periphery is incident to a semiconductor layer 16b of the diode 16 to improve a switching speed of the diode 16.
Patent JP-H0828036-A (JP)
Title: Hang lamp
Inventor: IKEDO MAKOTO
IPC: E04G7/06
Filed: 1994-07-11
Abstract: PURPOSE:To make it sure to clamp or remove easily and swiftly without using a wrench or the like by pivoting turnably a lower jaw which clamps a rod-like article, and what is more, pressing the lower jaw with a turnable presser piece and holding its state. CONSTITUTION:A spacing between an upper jaw 2 and a lower jaw 3 of a hang lamp 1, which are used to assemble a temporary scaffolding or mount a temporary lighting, is preliminarily adjusted with an adjusting screw 9 in conformity with the diameter of a rod-like article A. Then, the rod-like article A is clamped with the upper jaw 2 and the lower jaw 3 and a presser piece 4 is lowered, centering on a rotary shaft 46, thereby pushing up the lower jaw 3 against the force of a spring 12 and pressing the rod-like article A so that it may be clamped. Furthermore, a fit-in claw 5 is engaged with a rotary shaft 4b in a clamped state, thereby holding the clamped state of the claw 5. When a clamp is removed, the presser piece 4 is pulled up by operating in reverse mode, thereby removing the clamp. This construction makes it possible to remove the rod-like article positively without using any tool, such as a wrench Wand thereby reduce working hours.
Patent JP-S6242563-A (JP)
Title: Thin film transistor
Inventor: NOMURA KOJI
IPC: H01L27/12
Filed: 1985-08-20
Abstract: PURPOSE:To make a part of a gate electrode remaining even if a discharge occurs and improve reliability of a thin film transistor by a method wherein the gate electrode is divided into a plurality of sections to the direction of source and drain electrodes when those electrodes are formed. CONSTITUTION:An Al gate electrode 1 composing a thin film transistor is divided into a plurality of sections with a plurality of grooves of a predetermined length provided along the longitudinal direction. An Al2O3 gate insulation film and a CdSe semiconductor layer 2 are formed and laminated on the gate electrode 1. Then end parts of a source electrode 3 and a drain electrode 4 are provided above the end part of the gate electrode 1 in such a manner than parts of respective electrodes 3 and 4 are placed above the semiconductor layer 2. With this constitution, even if the gate electrode 1 is damaged by a discharge, the electrode 1 is not completely disconnected so that the reliability of the transistor can be significantly improved.
Patent JP-S5880713-A (JP)
Inventor: GIRUBERUTO BUARUDEMAARU IETSUS
IPC: G05D23/275
Filed: 1982-10-19
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-S57105084-A (JP)
Title: Separating system between character and pattern
Inventor: YOSHIDA MASUMI
IPC: G06T7/00
Filed: 1980-12-23
Abstract: PURPOSE:To delete the characters written within a closed loop pattern group, by carrying out both the line thinning process and the edge point deleting process to the characters written within a closed loop pattern as well as this pattern and then giving the reducing process and the deletion of the characters. CONSTITUTION:A frame is attached to a drawing to show the maximum size of the character written within a closed loop pattern. Then the drawing and the character receive the line thinning process, and the edge point is deleted for the nonclosed loop segment in the character and the pattern. Then the pattern and character comprising the closed loop received the edge point deleting process are shrinked. Thus the character part is shrinked down t a size that can be put within a window of a certain size. The reading process is carried out to the characters within the pattern, and the characters are deleted. As a result, the pattens comprising the closed loops and the segments connecting these patterns remain. Then the pattern is enlarged to be made to close is original pattern. In such way, the characters written within a closed loop pattern are deleted to obtain the closed loop pattern group only.
Patent JP-S6425565-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: KIMURA SOICHI
IPC: H01L27/06
Filed: 1987-07-22
Abstract: PURPOSE:To reduce the junction capacitance between a base and a collector and to make it possible to perform high speed operation, by sequentially forming a first- conductivity type first layer, a second-conductivity type second layer and a first- conductivity type third layer, selectively etching the third layer in an inverted taper shape, forming a mesa having an overhang part, forming a semi-insulating fourth layer selectively on the side surface, and forming an ohmic electrode for each layer. CONSTITUTION:On a semi-insulating InP substrate 1, an N-type InP layer 2, a P-type InGaAsP layer 3 and an N-type InP layer 4 are sequentially grown by an epitaxial method. An insulating film 10 is selectively formed by an ordinary insulating film step, a photolithography step and an etching step. With the film as a mask, the N-type InP layer 4 is etched to the intermediate part. The etching shape is made to be an inverted taper shape. An overhang part 11 is formed, and a mesa is formed. Then, a semi-insulating InP layer is formed on the side surface of the mesa by mass transport. Thereafter, Au and Zn are evaporated on the entire surface as a base electrode. The insulating film 10 is removed by a lift-off step. A base electrode 8 is formed only on the P-type InGaAsP layer 3. Thus, the interval between the N-type InP layer 4 and the base electrode 8 can be made very short.
Patent JP-H0628707-A (JP)
Title: Information identification sheet capable of discriminating identity and its information identification method
Inventor: TAWARA YUKIO
IPC: G11B7/24003
Filed: 1992-07-09
Abstract: PURPOSE:To obtain the information identification sheet excellent for prevention of forgery or alteration and its information identification method. CONSTITUTION:Random pattern information of different kinds of fibers is read or recorded and the recording of the random pattern is repetitively identified by blending a specific different kind of fibers to the information identification sheet and giving an energy acting on the major component fibers or the specific different kind of fibers. Thus, the random pattern information is coded for each information identification sheet as a paper-print like a fingerprint for a person thereby providing the excellent effect for preventing forgery or alternation.
Patent JP-S57104633-A (JP)
Title: Method and device for controlling quantity of heat to be charged into heat treatment furnace by heating with radiation tubes
Inventor: TAKEUCHI OSAMU
IPC: C21D11/00
Filed: 1980-12-23
Abstract: PURPOSE:To heat a steel strip uniformly, and improve the thermal efficiency of a continuous heating furnace by correcting the deviation between the temp. in the furnace  and set temp. with the detected value for the width of the steel strip and controlling  the quantity of heat to be charged into the furnace with said corrected value at the  stage of heating the steel strip or the like in said furnace. CONSTITUTION:At the time when a steel plate 28 enters the inside of a heating furnace  25, the width thereof is measured with a detector 29, and the value thereof is stored in  an operator 43. When the plate 28 is charged into the furnace 25, the drop of the temp.  of the radiation tubes in the furnace is measured with a temp. measuring device 27,  and the deviation from the set temp. in the furnace is generated with a correcting  means 30. The measured value stored in the operator 43 is read out by the output of a  speedometer 42 serving also as a meter for the position of the plate 28, and the above- mentioned deviation is corrected by using this. This corrected value is supplied to a  fuel supply system 25, and the control valves 35, 36 of a fuel supply system 26 are so  controlled as to decrease the quantity of the heat to be charged into the furnace 25.  The temp. distributions of the radiation tubes are changed to a flat shape, and the  plate 28 are heated uniformly in both central part and edge parts.
Patent JP-S6428277-A (JP)
Title: Dielectric ceramic composition
Inventor: SAITO MINORU
IPC: C04B35/48
Filed: 1987-07-22
Abstract: PURPOSE:To enable the formation of a ceramic composition having large negative temperature coefficient of resonance frequency (tauf) and large specific dielectric constant (epsilonr), by using a specific composition composed of PbO, ZrO2 and Eu2O3. CONSTITUTION:The dielectric ceramic composition is composed of lead oxide (PbO), zirconium dioxide (ZrO2) and europium trioxide (Eu2O3) and has a compositional formula of (PbO)X(ZrO2)Y(Eu2O3)Z wherein x, y and z are molar fractions satisfying the formulas 0.46<=x<=0.52, 0.46<=y<=0.52, 0.002<=z<=0.04 and x+y+z=1.
Patent JP-2001013109-A (JP)
Title: Positive and negative ion quantity measuring device
Inventor: SAITO TOSHIO
IPC: G01R29/24
Filed: 1999-06-29
Abstract: PROBLEM TO BE SOLVED: To realize a positive and negative ion quantity measuring device capable of measuring positive and negative ion quantities simultaneously without generating dispersion of data at a free position in the atmosphere at any position. SOLUTION: In this positive and negative ion quantity measuring device, one or more pairs of detectors 10, 20 formed by housing pairs of electrode cylinders 12, 22 and collecting electrodes 13, 23 in housings 11, 21 are installed separately, and caps 16, 26 are installed on inlets of the respective housings 11, 21 and fans 14, 24 are installed on rear ends thereof, and air is absorbed into the housings 11, 21 by movement of the fans 14, 24, and positive and negative ions included in the air are allowed to abut on the pairs of the electrode cylinders 12, 22 and collecting electrodes 13, 23 having positive or negative polarity applied thereon, and current values corresponding to the numbers of positive or negative ions adsorbed on the collecting electrodes 13, 23 are taken out,  and current-voltage conversion and A/D conversion thereof are executed and the results are inputted into a microcomputer as information and operated and displayed digitally or graphically in monochrome or in colors as the number of positive ions, the number of negative ions, the number of total ions and/or the difference between the numbers of positive and negative ions.
Patent JP-S6342925-A (JP)
Title: Control of yarn wound of buttock of bobbin in ring spinning frame and device therefor
Inventor: ONO KAZUNOBU
IPC: D01H1/20
Filed: 1986-08-05
Abstract: PURPOSE:To keep the length of a buttock-winding yarn constant, by braking a main motor to stop the rotation of the main motor after the passage of a prescribed period from the beginning of the buttock winding during the inertia rotation period of a ring spinning frame. CONSTITUTION:In a process of stopping a ring spinning frame when a bobbin is fully wound with a spun yarn, the supply of electric power for the main motor of the spinning frame is first stopped and a ring rail is moved downward with the inertia operation of the spinning frame. When the ring rail reaches a buttock-winding position at the bottom of a spindle and the buttock winding is begun, the operation of a timer is started. When the timer signals the passage of a prescribed period, the braking of the main motor is begun to stop the rotation of the main motor and the other components.
Patent JP-S5885930-A (JP)
Title: Magnetic recording medium
Inventor: MIZUSHIMA KUNIO
IPC: C10M105/54
Filed: 1981-11-14
Abstract: PURPOSE:To improve durability by contg. two kinds of specific lubricants in a magnetic layer. CONSTITUTION:Perfluoroalkyl polyether carboxylic acid (having the structure wherein carboxylic groups are introduced into the molecules of conventional perfluoroalkyl polyether) and a fluorocarbon type lubricant (perfluoroalkyl polyether, fluorine oil, etc.) are coated or sprayed on a magnetic layer or the magnetic layer is immersed in the soln. of these lubricants, whereby said lubricants are imcorporated in the magnetic layer.
Patent JP-H0833170-A (JP)
Title: Distribution line protective cover
Inventor: KAJIMOTO KOJI
IPC: H02G7/00
Filed: 1994-07-11
Abstract: PURPOSE:To move smoothly in a lateral direction at a place a cover fitted on a distribution line stretched between poles, particularly a distribution line supported by suspension wires of a wire cable through cable hangers at a place. CONSTITUTION:In a distribution line protective cover having a half split cylindrical shape as a whole by forming a fitting pipe part of required length, peripherally provided with a goose-necked protrusion 3 in the point end, in one end in the lengthwise direction of a long main unit pipe formed and by providing a joint pipe part 5, fitted with the fitting pipe part, in the other end in the lengthwise direction of the main unit pipe, the fitting pipe part is formed in a diameter larger than the main unit pipe, also to form a connection part internal peripheral surface, of the main unit pipe to the fitting pipe part, into a tapered surface 4. Further, the internal diameter of a fitting part 5a of the joint pipe part 5 agrees with the external diameter of the fitting pipe part, and a large diametric pipe part 6, formed with an internal peripheral surface into a tapered surface 4' to stop the goose-necked protrusion 3, is formed in the depth end of the fitting part 5a, also to form a rear end side angular part of the large diametric pipe part 6 into a tapered pipe shepe 8.
Patent JP-H061307-A (JP)
Title: Band fastening machine
Inventor: GOMI TSUGIYOSHI
IPC: F16D3/84
Filed: 1992-06-17
Abstract: PURPOSE:To provide a band fastening machine whereby the fastening of a band can be facilitated and operation efficiency can be improved. CONSTITUTION:A band is placed in the recess 36a of a band receiving table, in a state of being wound around an object with the lever 18 and a stopper 20 of the fastening band situated on the upper side, a fastening arm 40 is turned in this state, and the lever 18 is caused to fall down by means of the front end 41a of the fastening arm 40 and is fixed in position by causing each of standing strips 20a to fall inward by a stopper bending/fixing mechanism 30B with the front end of the lever 18 positioned between the two standing strips 20a.
Patent JP-S6074382-A (JP)
Inventor: MATSUMOTO SHINICHI
IPC: A47J27/00
Filed: 1983-09-30
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-S6235801-A (JP)
Inventor: ANTON BUEERE
IPC: B27B17/12
Filed: 1986-08-06
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-H1129874-A (JP)
Title: Surface treated magnesium or magnesium alloy product, method of surface treatment and coating method
Inventor: YOMO NAOHIRO
IPC: C23F11/00
Filed: 1997-07-09
Abstract: PROBLEM TO BE SOLVED: To economically coat magnesium or its alloy product without causing environmental problems by treating magnesium or its alloy product with a treating liquid containing diammonium hydrogenphosphate to form a surface layer such as magnesium phosphate on the surface. SOLUTION: Magnesium or its alloy product is dipped in a treating liquid containing 0.4 to 200 g/L diammonium hydrogenphosphate, preferably 4 to 80 g/L, and if necessary, a proper amt. of additives such as surfactant and chelating agent at about room temp. to 100 deg.C, for example, for 1 to 60 min. By only this surface treatment, a chemical conversion layer comprising one or more kinds of magnesium salts among magnesium phosphate, its hydrate and magnesium hydrogenphosphate is formed on the surface of the product without pretreatment. The product after the surface treatment is sufficiently cleaned with water, drained, dried, and subjected to coating such as powder coating. By this method, a coating film with good adhesion property can be formed by one coating process.
Patent JP-H0837802-A (JP)
Title: Tilling device
Inventor: HONDA HARUYOSHI
IPC: A01B33/12
Filed: 1994-08-04
Abstract: PURPOSE:To prevent breakage or deformation of the rear cover of a rotary tilling device by automatically lifting the surface soil presser of the cover in the case an overload is applied thereto. CONSTITUTION:This is a rotary tilting device coupled through an elevation mechanism to the rear part of a running unit. In this rotary tilling device, the cover of the deep-plowing rotary is designed so that the rear side part may be a mobile rear cover 25 capable of freely vertically moving the lower rear side part around the upper front side part as the support point. This rotary tilling device is equipped with a presser unit for making the rear side back surface of the rear cover press the tilted field surface between this rear cover side and the stationary frame part on the tilling device side. The presser unit involves a pressing force setting mechanism (A) capable of controlling the pressing force and this pressing force setting mechanism (A) involves a control unit (B) for canceling the preset pressing force in the case an excessive pressure is applied from the ground surface side.