baber/WOPTO huggingface dataset:
Patent JP-2000319396-A (JP)
Title: Production of polysulfone derivative for photosensitive resin, polysulfone derivative produced by the method, resist composition using the polysulfone derivative
Inventor: MATSUDA MINORU
IPC: C08G75/20
Filed: 1999-05-11
Abstract: PROBLEM TO BE SOLVED: To obtain the subject polymer which has methylene chains and sulfone groups in the main chain and has physical properties suitable as a resin for resists, by subjecting a specific cyclic sulfide derivative as a monomer to a ring-opening polymerization reaction and then oxidizing the sulfide groups. SOLUTION: This method for producing a polysulfone derivative having repeating units of formula III for photosensitive resins comprises subjecting a cyclic sulfide derivative of formula I  R1, R2 each may be replaced with H to bind to the arbitrary carbon position of the methylene chain of the formula: (CH2)m; R1 is a 1 to 8C alkyl or a halogen; R2 is a group of formula II [R3 is a group containing an alicyclic group; (x) is 0 to 5]; (p), (q) are each the number of the substituents; (m) is 2 to 4; (q) is 1 to (m)} or its polymerizable cyclic oligomer as a monomer to a ring-opening polymerization reaction and then oxidizing the sulfide groups. Thereby, the polymer which has the structure having the methylene chains and sulfone groups in the main chain and whose production has been difficult can easily be obtained.
Patent JP-S61291625-A (JP)
Title: Crystalline poly-(thioether aromatic ketone)copolymer and its production
Inventor: FUKAWA ISABURO
IPC: C08G75/04
Filed: 1985-06-18
Abstract: PURPOSE:To obtainthe titled copooymer of high performance in heat and solvent resistances, flame-retardancy and mechanical properties, with phenylene groups linked through both thioether and ketone groups, by polycondensation, under specific condition, between aromatic dihalide and p-dimercaptobenzene. CONSTITUTION:(A) An aromatic dihalide made up of 1-99mol% of 4,4'- dihaloterephthalophenone and 99-1mol% of 4,4'-dihalobenzophenone and (B) an equimolar amount based on the component A,of p-dimercaptobenzene is brought to polycondensationat 200-400 deg.C using a solvent (aliphatic sulfone, aromatic sulfone, xanthone compound or thioxanthone compound) in the presence of a catalyst (alkali metal (bi)carbonate), thus obtaining the objective crystalline copolymer with an intrinsic viscosity >=0.15, constituted by (c) aromatic ketone unit consisting of 1-99mol% of formula I and 99-1mol% of formula II and (D) structural unit of formula III with linear polymer structure in which the units C and D are alternately linked with each other.
Patent JP-H05317719-A (JP)
Title: Catalyst and method for selective preparation of para-dialkyl substituted benzene
Inventor: ROBAATO PIITAA REONAADO ABUSHI
IPC: B01J29/70
Filed: 1991-03-19
Abstract: PURPOSE: To obtain a catalyst effective for the selective production of para- dialkyl substituted benzene at lower temp. and higher selectivity by constituting the catalyst of a zeolite which is produced from a reaction mixture having no org. component modified with an org. silicone compd. and which has a specified constraint index. CONSTITUTION: This catalyst consists of a zeolite having constraint index of 1 to 12, which is produced from a zeolite-forming mixture containing no org. organic directing agent and which is modified by the treatment with an org. silicon compd. (e.g. dimethyl silicone). Monoalkyl-substd. benzene having 1 to 4 carbon atoms in the alkyl substituents is subjected to disproportionation in the presence of the catalyst described above to selectively produce para-dialkyl substd. benzene.
Patent JP-2000318300-A (JP)
Title: Method for ink jet recording
Inventor: DOI KOJI
IPC: C09D11/328
Filed: 1999-05-12
Abstract: PROBLEM TO BE SOLVED: To enhance printing characteristic, image fixability and optical density irrespective of a type of a recording medium by adhering an ink containing a color material, a water soluble organic solvent and water to a recording medium containing a polymer substance for aggregating the material, and executing ink jet recording. SOLUTION: An ink containing a color material, a water soluble organic solvent and water is adhered to a recording medium containing a polymer substance having characteristics for aggregating the material, and ink jet recording is executed. As preferred embodiment of the substance, an acrylic polymer, an ester polymer, a urethane resin, an epoxy resin or the like is used. The ink contains, as indispensable components, the color material, the water soluble organic solvent and the water. As the material, a pigment, a dye or the like can be used. As a preferred embodiment of the solvent, an ethylene glycol, a diethylene glycol, a propylene glycol or the like is used. As preferred embodiments of the water, a pure water, an ultrapure water, ion-exchanged water or the like is used.
Patent JP-S61289004-A (JP)
Title: Weeding agent composition
Inventor: KOBAYASHI TOSHIYUKI
IPC: A01N25/30
Filed: 1985-06-18
Abstract: PURPOSE:A weeding agent composition, containing a weeding compound substance SF-1293, sulfate based or sulfonate based anionic surfactant, etc. and a polyoxyalkylene based nonionic surfactant in a specific proportion and having enhanced effect. CONSTITUTION:A weeding agent composition containing (A) a weeding substance SF-1293 or a salt thereof, (B) a sulfate based or sulfonate based or carboxylyc acid based anionic surfactant and (C) a polypoxyalkylene based nonionic surfactant at 1:0.5-20 weight ratio of the components (A) to (B) and 1:0.1-20 weight ratio of the components (A) to (C). The above-mentioned composition is capable of enhancing the weeding effect of the component (A), and can be prepared in the form of a water-soluble solid formulation, etc., which cannot be conventionally prepared. The solid component (A) has an advantage in that it has more improved stability with time than that of the liquid formulation.
Patent JP-H08339439-A (JP)
Title: Reproduction method of radiation image
Inventor: FURANSU DENENSU
IPC: H04N1/387
Filed: 1996-04-26
Abstract: PROBLEM TO BE SOLVED: To easily make a comparative study of a radiation picture, comparing new and old pictures with respect to the same patient, e.g. by generating a composited picture consisting of the low resolution edition of each identified radiation picture on a sheet of recording material. SOLUTION: The radiation picture of some object is recorded on a screen by exposing the screen of a photostimulable phosphorus screen with an X-ray radiated from an X-ray source 2 and passing through the body of a patient. A radiation picture to be reproduced is identified first and a corresponding digital picture is retrieved from an electronic book shelf with respect to each identified radiation picture. Then, a concise edition expressing the low resolution edition of the picture is extracted from each digital picture expression to generate a composited picture signal expressing a composited picture including the low resolution edition with respect to each identified radiation picture.  Then, a composited picture signal expression is sent to a hard copy recorder 10 to generate the composited picture consisting of the low resolution edition of each radiation picture identified on a sheet of a recording material.
Patent JP-H0712163-A (JP)
Title: Spring assembly and its production
Inventor: PIITAA JIEI BARUSERUSU
IPC: B21F35/00
Filed: 1991-03-20
Abstract: PURPOSE: To make a combination of an inclined spring and elastomer usable for increasing the characteristics, or the advantages of the inclined spring, as well as keeping important force and deflection characteristics thereof. CONSTITUTION: A spring assembly 10 is interconnected with one another in a spaced-apart relationship, by which the spring assembly 10 exerts a force in a loading direction approximately normal to a tangent to a centerline of a plurality of coils in response to the deflection of the spring assembly 10 along the loading direction. An elastic material is provided which is disposed around and between the plurality of coils 12 and has a cross section for modifying the force exerted by the spring assembly 10 in response to the deflection of the spring assembly along the loading direction.
Patent JP-H11302254-A (JP)
Title: 3,3-dipyridylacrylic acid amide derivative or its pharmaceutically admissible salt
Inventor: SATO ATSUSHI
IPC: C07D413/14
Filed: 1998-04-24
Abstract: PROBLEM TO BE SOLVED: To obtain a new compound having an excellent depression against endothelial tylosis and useful e.g. as a preventive and a therapeutic agent for the restenosis of blood vessel after the percutaneous coronary arteries-plasty. SOLUTION: This compound is expressed by formula I [wherein, R<1> is a lower alkyl, an aryl, or the like; R<2> is H, a lower alkyl, or the like; a group expressed by formula II is a group expressed by formula III or formula IV (wherein, R<3> is H, a halogen, or the like)], e.g. N-phenyl-3,3-di(2-pyridyl)-acrylic acid amide. The compound of formula I is obtained e.g. by reacting an amino compound (e.g. aniline) with a keto compound (e.g. bromoacetyl chloride) in a solvent in the presence of a base to form an amide compound (e.g. N-phenyl- bromoacetic acid amide), followed by reacting it with triethyl phosphite to form a compound of formula V (e.g. N-phenyl-diethyl phosphonoacetic acid amide), which is reacted with di-2-pyridyl ketone in a solvent in the presence of a base. The compound of formula I is pref. dispensed in a quantity of 0.5-100 mg/kg/day.
Patent JP-S62286211-A (JP)
Title: Chip coil
Inventor: WAKINO KIKUO
IPC: H01F27/29
Filed: 1986-06-05
Abstract: PURPOSE:To prevent the lowering and the irregularity of inductance of the title chip coil by a method wherein a pair of external electrodes, connected to both ends of a wiring or spiral-shaped conductor, is annularly formed on both end parts of the side face of a ferrite core. CONSTITUTION:Annular external metal electrodes 5a and 5b are fitted to both end parts on the side face of a ferrite core 1 respectively. One end part of a covering-exforiated wiring 2 is electrically connected to the external electrode 5a, and the other end part of the covering-exforiated wiring 2 is electrically connected to the external electrode 5b. As a metal, namely, the external electrode, is not present on the end face of the ferrite core 1 where magnetic flux is concentrated, the lowering of the Q of a chip coil, the decrease in inductance, the irregularity in inductance and the like can be removed.
Patent JP-H09290686-A (JP)
Title: Assembly method of cable type mirror control device
Inventor: HIRANO KATSUYA
IPC: B60R1/06
Filed: 1996-04-27
Abstract: PROBLEM TO BE SOLVED: To facilitate connection of a cable to an actuator by drawing up an inner cable of the cable operated to oscillate the actuator, holding a ball type fixture connected to the inner cable on a recessed holding part after inserting it into an insertion hole of the actuator and cutting off an excess part. SOLUTION: An actuator 1 on which a mirror is installed is installed on a frame 6 free to oscillate, and the actuator 1 and an operating lever 7 are connected to each other free to oscillate through a cable 5. The cable 5 is constituted so that a head end part of an inner cable 51 of the cable 5 is inserted into an insertion hole 11 provided on the actuator 1 with a part of a grip margin 511 of the inner cable 51, a ball type fixture 52 is drawn up by pulling the inner cable 51 in a state where the head end part passes the insertion hole 11, this fixture 52 is moved along a guide part ill and made to pass through the inside of the insertion hole 11, the fixture 52 is projected to a front part of the actuator 1, and after the fixture 52 is held on a recessed holding part 15, the grip margin 511 is cut off.
Patent JP-S5356608-A (JP)
Title: Preparation of dimethylformaide
Inventor: SAITOU MASAO
IPC: B01J31/00
Filed: 1976-11-01
Abstract: PURPOSE: To prepare dimethylformamide in high yield and selectivity by reacting monomethylamine and trimethylamine with CO by use of I 2 , Br 2 , an iodide or a bromide as a catalyst. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H0426930-A (JP)
Title: Servo device for optical disk
Inventor: IMANAKA RYOICHI
IPC: G11B7/085
Filed: 1990-05-22
Abstract: PURPOSE:To drive a servo system with one digital signal processor (DSP) by executing a digital division processing to a servo error signal and a total sum signal for focusing and tracking, and inputting them to the DSP. CONSTITUTION:The servo error signal and total sum signal for focusing and tracking detected from the reflected light of an optical disk 1 are respectively attenuated, successively selected and inputted to a DSP 37 after A/D conversion. The DSP 37 sets the attenuation rates of respective attenuators 21-24 for these inputted servo error signal and total sum signal, standardizes the respective servo error signals with the respective total sum signals and outputs them as servo driving signals after film arithmetic operation. Thus, the servo system can be driven by one DSP.
Patent JP-H08326662-A (JP)
Title: Discharge rate control method and device for displacement type reciprocating compressor
Inventor: MIYAHARA HIROSHI
IPC: F04B49/00
Filed: 1995-05-30
Abstract: PURPOSE: To aim at energy saving of a displacement reciprocating compressor so as to make possible its continuously variable adjustment of discharge rate. CONSTITUTION: A control device 15 is composed in such a feedback control as can continuously and smoothly adjust the discharge rate by measuring the discharge pressure by means of a pressure sensor 12 and based on this measured value, by opening/closing of a lower suction valve 8 and an upper suction valve 9 by means of a lower air cylinder 10 and an upper air cylinder 11 and operating the opening/closing quantity of a bypass valve 14.
Patent JP-H05304223-A (JP)
Title: Manufacture of electronic component mounting board
Inventor: SATO TAKASHI
IPC: H05K3/06
Filed: 1992-04-24
Abstract: PURPOSE:To enhance heat dissipation effect of electronic components by press fitting a heat dissipation member substantially in flush with the opposite surfaces of an insulating board and metallizing the entire surface there of and then patterning a conductor circuit through etching. CONSTITUTION:A hole 3 is made in an insulating board l through press and a heat dissipating metal rod 5 substantially as thick as the board 1 is press fit therein so that the rod 5 is flush with the component mounting surface of the insulating board 1. The board 1 is then metallized 6 with copper or nickel on the entire surface thereof, photosensitive resin is applied thereon and subsequently etched to form patterned conductor circuits 7 or die patterns 10 on the opposite surfaces of the board 1 while furthermore solder resist films 8 are formed at predetermined parts. Solder bumps 9 are then formed on the bottom face of the board 1 and an electronic component 11 is mounted on the die pattern 10 and wired through a bonding wire 12 with the patterned conductor circuit 7. This method produces a cheap electronic component mounting board which is excellent in heat dissipation effect of electronic component and for which mass-productivity is promoted through simplification of manufacturing process.
Patent JP-S5757893-A (JP)
Title: Manufacture of electrolytically chromate treated steel plate causing less deterioration in bonding strength due to aging
Inventor: HIGUCHI YUKINOBU
IPC: C25D11/38
Filed: 1980-09-24
Abstract: PURPOSE: To minimize the deterioration in the bonding strength due to aging by combinedly carrying out cathodic electrolysis in an aqueous soln. of chromate or dichromate and treatment with hot water.  
     CONSTITUTION: Electrolytic chromate treatment is carried out using a steel plate as a cathode in an aqueous soln. of chromic anhydride, chromate or dichromate to obtain an electrolytically chromate treated steel plate having a chromate coat as at least its surface layer. The amount of the chromate coat of this steel plate is regulated to 5W50mg/m 2  in an electrolytic chromate treatment bath, and the plate is washed as required. Cathodic electrolysis is then carried out with ≥2.5C/dm 3  electricity in an aqueous soln. of chromate or dichromate contg. F -  in 1/≤40 ratio of F - /Cr +6  and no free chromic acid. Finally, the plate is treated with hot water at 60W100°C and ≥4pH for 0.3W10sec. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0426900-A (JP)
Title: Voice recognition device
Inventor: FUJIWARA RYUHEI
IPC: G10L21/0208
Filed: 1990-05-22
Abstract: PURPOSE:To prevent the recognition rate from decreasing under the influence of noise by weighting the difference between an increase/decrease pattern which is registered in registration mode and the increase/decrease pattern of a voice which is inputted in recognition mode by using a weight coefficient which is in inverse proportional to the noise level. CONSTITUTION:A noise level calculating means 6 calculates noise levels corresponding to band-pass filters 2-1 - 2-n according to the output signals of the band-pass filters 2-1 - 2-n in a period detects no voice in recognition mode and a weight coefficient calculating means 7 calculates weight coefficients which are in inverse proportion to the noise levels and corresponding to the band-pass filters 2-1 - 2-n according to the calculation results. Then the differences between the increase/decrease pattern registered in the storage means 4 in registration mode and respective levels of the voice input increase/decrease patterns in the recognition mode are found and weight according to the corresponding to the weight coefficients and then it is decided whether or not the total value of the respective weighted differences is less than a threshold value to perform voice recognition. Consequently a decrease in the recognition rate due to noise can be prevented.
Patent JP-S5557418-A (JP)
Title: Apparatus for separating a condom from formation mold
Inventor: KATOU TOKUSHIYOU
IPC: B29C41/14
Filed: 1978-10-25
Abstract: PURPOSE: To separate a condom without damage by providing separation rolls adapted to push formation molds in left and right of moving direction of formation molds as well as providing a chain for protecting nipple adhesive contact directly under the formation molds and windings up a condom by the separation rolls.  
     CONSTITUTION: Separation rolls 3, 3' are rods of which peripheral surface is rounded with soft elastic element such as sponge or rubber and inclined down in the  moving direction of a chain 1 and arranged to push both side of the outer surface of moving direction of a plurality of formation molds 2... and connected to a motor 6 through transmission mechanism 10.... A condom A sttached to the outer peripherical surface of the formation molds moving as rotating in arrow direction driven by a motor is wound up from its opening and is completaly separated from the mold. The condom wound by the separation rolls does not contact each other, for non-adhesive outer surface to which fine powders are deposited and adhesive inner surface contact alternatingly. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H0430998-A (JP)
Title: Round tooth guillotine for sheet like body
Inventor: FUKUMOTO RYOSUKE
IPC: D06H7/00
Filed: 1990-05-22
Abstract: PURPOSE:To set the tooth angle of a round tooth in the cutting progress directions of each sides correctly and quickly, by providing a tooth angle control means, which rotates a rotating shaft at the upper part of the cutting start points of each sides where the body to be cut placed on a cutting base is to be cut and which sets the tooth angle of a round tooth in the cutting progress direction. CONSTITUTION:A tooth angle control means 20 is driven after moving a round tooth 8 to the upper part of a point A and the tooth angle of the round tooth is set in the cutting progress direction, i.e., a side AB. Also, a lift driving part 16 is driven to the descent side, the torque that a rotating shaft 4 receives from a motor 21 for controlling tooth angle is made zero as well and this round tooth is earthed onto the point A. Then, a rotation driving part is driven, the round tooth is rotated, it is moved to a point B from a point A by an XY table and the side AB is cut. The XY table is stopped when the round tooth is moved to the point B, the rotation driving part of the round tooth 8 is stopped, the lift driving part 16 is driven to the ascent side, the round tooth is lifted to the position of the ascent limit, the rotation shaft is rotated as well and the tooth angle of the round tooth is faced onto the straight line which connects the points B and C.
Patent JP-H08330438-A (JP)
Title: Complementary mosfet and its manufacture
Inventor: MATSUHASHI HIDEAKI
IPC: H01L21/312
Filed: 1995-05-30
Abstract: PURPOSE: To increase the operation speed of a complementary MOSFET and reduce its parasitic resistance, by making the junction width of the shallow junction source/drain of its N-channel MOSFET suitable. CONSTITUTION: In a complementary MOSFET, a P-channel MOSFET wherein first and second sidewalls 45, 46 are formed and an N-channel MOSFET wherein only the second sidewall 46 is formed are provided, and the sidewall width of the P-channel MOSFET is made larger by the first sidewall width than the sidewall width of the N-channel MOSFET.
Patent JP-H02312169-A (JP)
Title: Structure of solid electrolyte fuel cell
Inventor: HASEGAWA SHOICHI
IPC: H01M8/12
Filed: 1989-05-25
Abstract: PURPOSE:To obtain a fuel cell of high power generating efficiency and high output while reducing its current density by securing an electricity passage between stacks by means of a plate shaped body with a wide cross section, the stacks each consisting of plural single cells. CONSTITUTION:An electro motive force is generated by passing an oxidizing gas and a fuel gas on both sides of each single cell 1 where a corporate electrode 6 is sandwitched. The plural single cells 1 are arranged on the outer periphery of a small diameter shaft portion 8b provided at one end of a plate- shaped portion 8a, and in this state the outer periphery side is covered by the tubular portion 8c of another conductive supporting body 8 and is also tightened toward the inner side, so that the resistance is reduced at the contact portion to the extent that it can be substantially ignored. The assemblies of the single cells 1 retained are put in conduction with each other by the plate-shaped portion 8a which connects the small diameter shaft portion 8b and the tubular portion 8c together, and the cross section of the plate-shaped portion 8a is broadened whereby the current density is reduced. A fuel cell of good power generating efficiency and high output is thus obtained.
Patent JP-H04335275-A (JP)
Title: Supporting mechanism for magnetic head
Inventor: KIKUCHI YOSHIRO
IPC: G11B21/21
Filed: 1991-05-09
Abstract: PURPOSE:To offer a magnetic head supporting mechanism which realizes a seeking at high speed by enhancing various mechanical vibration absorption in a parallel direction to a magnetic disk face concerning the magnetic head supporting mechanism. CONSTITUTION:The magnetic head supporting mechanism by this invention provides a long and slender plate-shaped pressure spring part 1 which supports a flexible body 52 carrying a head slider 51 by one end part and also gives specified load loading to the head slider 51 and consists of a means which is provided load beams 2 and 3 being a rising part leading to the head slider 51 part at the both sides of the pressure spring part 1. The flexible body 52, especially, surrounds the one end part of the center line extension of the pressure spring 1 in the direction of a long arm by forming an arc shape and consists of a finger 51A mounting the head slider 51.