baber/WOPTO huggingface dataset:
Patent JP-H0873549-A (JP)
Title: Preparation of polyacetal copolymer
Inventor: DEIITORITSUHI FURAISHIYAA
IPC: C08G2/24
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a process for preparing a polyacetal copolymer whereby defects in conventional techniques, such as remaining of impurities (e.g. formaldehyde oligomers) or deposit formation in processing, can be avoided.  
     SOLUTION: In the process for the preparation, with simultaneous end group stabilization, of polyacetal copolymers in a homogeneous phase and working up thereof, cyclic formaldehyde oligomers are copolymerized with cyclic acetals in the presence of an initator in a polymn. reactor R and immediately thereafter the initiator is deactiated by addition of basic substances, the unstable chain ends being degraded down to 0.01-1% in the presence of residual monomer, the product loping the majority of the residual monomer which remains and the impurities dissolved in the product being removed by extraction with solvents, and the product being pelletized after drying and stabilization. 
     COPYRIGHT: (C)1996,JPO
Patent JP-S61106134-A (JP)
Inventor: SASAKI MINORU
IPC: A61B5/308
Filed: 1984-10-31
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-H04107359-A (JP)
Title: Control device for automatic transmission
Inventor: FUJIWARA TAKUJI
IPC: F16H61/08
Filed: 1990-08-28
Abstract: PURPOSE:To make ensurance of engaging response compatible with reduction of the occurrence of a shock by operating a timing valve for a second set time shorter than a first set time during a shift, wherein the engaging state of other frictional engaging element is simultaneously shifted, when a specified frictional engaging element is engaged. CONSTITUTION:A bypass circuit 143 to feed an oil pressure to a specified frictional engaging element, such as a 2-4 brake 45, in a way to bypass an orifice 74 for an accumulator and a timing valve 103 to control an oil pressure feed timing are provided. Further, a control means 47 operates the timing valve 103 for a first set time during a shift wherein the 2-4 brake 45 is engaged and operates the timing valve 103 for a second set time shorter than the first set time during a shift wherein the engaging state of other frictional engaging element, such as a low reverse brake 46, is simultaneously shifted is provided. This constitution makes ensurance of engaging response during a shift, wherein the 2-4 brake 45 is operated, compatible with reduction of the occurrence of a shock during a shift wherein the low reverse brake 46 is worked.
Patent JP-S6291298-A (JP)
Title: Method for promoting sedimentation of reclamation sludge
Inventor: YANO KOICHIRO
IPC: C02F11/14
Filed: 1985-10-15
Abstract: PURPOSE:To promote the sedimentation of reclamation sludge, by scattering sand to sludge from the upper surface thereof in a sludge sedimentation process. CONSTITUTION:Sludge is sent to and thrown in a reclaimed land 5 in a muddy water state by a pump through a pipe 8 to be accumulated in a thickness of 1-2m. After the sludge 7 has been thrown in, sand 9 is scattered onto the accumulated sludge in water once a half day - a day. The scattering of sand 9 is performed by a method wherein a sand scattering device 11 is placed on a moving floater 10 and sand 9 is formed into an aqueous slurry which is, in turn, transported to the sand scattering device 11 by a pipe 12. By this method, the sedimentation speed of sludge is promoted to achieve the reclamation of sludge in a max. degree.
Patent JP-S59122485-A (JP)
Title: Kojic acid derivative and lightening cosmetic containing the same as active ingredient
Inventor: HIGA YOSHITAKA
IPC: A61K8/00
Filed: 1982-12-29
Abstract: NEW MATERIAL:A compound of formula I (n is 1,2; R<1> is H, lower alkyl; R<2> is 7-21C alkyl, alkenyl). EXAMPLE:2-(N-Caproylsarcosyl)oxymethyl-5-hydroxy-4H-pyran-4-one. USE:An ingredient for cosmetic with powerful lightening action: it has a very strong action of inhibiting tyrosinase activity. Without any adverse effects on human bodies, it inhibits the activity of thyrosinase in human skins, resulting in remarkable prevention of melanine formation. PREPARATION:Kojic acid of formula II and thionyl chloride are stirred at 45- 50 deg.C for 2hr to form 2-chloromethyl-5-hydroxy-4H-pyran-4-one, then the product is stirred together with N-lauroyl-sarcosine sodium salt at 100-110 deg.C for 30min under heating to give the compound of formula I .
Patent JP-S60120288-A (JP)
Inventor: YASUNO TOYOJI
IPC: G21C15/18
Filed: 1983-12-02
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-2001055651-A (JP)
Title: Prevention of disengagement of knot of crossing yarn in weft knitted fabric
Inventor: MIYAGAWA SHINICHI
IPC: D04B7/00
Filed: 1999-08-11
Abstract: PROBLEM TO BE SOLVED: To prevent the disengagement of knot even in drawing a crossing yarn by tightening a back stitch in a state where a front stitch formed on the starting end or the terminal end of a knitting zone into which the crossing yarn is knitted out is inserted into the back stitch. SOLUTION: A pair of stitches 1, 2 are formed at the starting end or the terminal end, especially at the terminal end, of a knitting zone of a weft knitted fabric, and the stitch 1 which is firstly formed is passed through the stitch 2 which is formed secondly, and subsequently the stitch 2 is tightened to fix the knitting zone side of the stitch 1 by knitting weaves, and the crossing yarn B2-side of the stitch 1 is tighten in the connection to the stitch 2 to form a knotted state. Thus, the pulling of the crossing yarn B2 results only in the strong tightening of the knot to make stitch N2 small, and there is no danger of disengagement.
Patent JP-H0973020-A (JP)
Title: Optical multiplexer/demultiplexer
Inventor: OGUSU MASAHIRO
IPC: G02B7/00
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To provide an optical multiplexer/demultiplexer capable of reducing cost and miniaturizing and obtaining stable optical characteristics by suppressing an effective area of the grating surface to the absolute minimum with respect to the spread of the incident light in the blaze direction on the grating surface when a diffraction grating having a large angle of incidence like an echelle grating is used. SOLUTION: This device is an optical multiplexer/demultiplexer which diffracts an optical signal outputted from the other end of a light waveguide path array element 3 having an input/output ports array 2 at one end by guiding it to a planer diffraction grating 5 through a lens 4 and inputs the optical signal diffracted through the diffraction grating 5 into the other end of an optical waveguide path 3 through the lens 4. The two opposite sides of the diffraction grating 5 are fixed with rod-shaped supporting members 6, 7 on the substrate 1, so that the light waveguide array element 3 and the lens 4 are fixed on the substrate 1 before the diffraction grating 5 can be fixed on.
Patent JP-H09321478-A (JP)
Title: Boiling and cooling device
Inventor: SUGITO HAJIME
IPC: F28F1/00
Filed: 1996-08-29
Abstract: PROBLEM TO BE SOLVED: To enhance maintainability in a drive motor of a centrifugal fan for compulsorily circulating a high temperature air in a high temperature side heat transmission space and a drive motor of a centrifugal fan for compulsorily circulating a low temperature air in a low temperature side heat transmission space. SOLUTION: A fan mounting opening hole of a larger diameter than a fan diameter is provided in fan cases 33, 43. A set of high temperature side centrifugal blower 4 is arranged under a heat exchanger 3 in which boiling coolers are arranged in a multistep form, and a drive motor 32 of a centrifugal fan 31 is drawn out from the fan case 33 toward downward of the heat exchanger 3, so that the drive motor 32 is simply taken out from a boiling cooling device 14. Further, a set of low temperature side centrifugal blower 5 is arranged above the heat exchanger 3, and a drive motor 42 of a centrifugal fan 41 is drawn out from the fan case 43 toward upward of the heat exchanger 3, so that the drive motor 42 is simply taken out from the boiling cooling device 14.
Patent JP-2001046590-A (JP)
Title: Slot machine
Inventor: YONEDA TOSHIHIRO
IPC: A63F5/04
Filed: 1999-08-12
Abstract: PROBLEM TO BE SOLVED: To provide a slot machine that has expanded variation of lottery probability with increase of set value to raise its interests as the game according to the fact that lottery probability of each winning item in a particular winning game has been set so as to be possible to decrease with increase of set value. SOLUTION: A particular winning game is provided with a plurality of winning items with payment in different numbers of medals and a plurality of set values to adjust the lottery probability of each winning items, and as the set value increases, it is set so that the total sum of lottery probabilities of individual winning items in a particular winning game increases or gets even, and that the lottery probability of each winning item in a particular winning game can decrease together with an increase of the prescribed value.
Patent JP-2000063809-A (JP)
Title: High-temperature endurable brine composition
Inventor: OTSUKA HIROSHI
IPC: C09K5/08
Filed: 1998-08-12
Abstract: PROBLEM TO BE SOLVED: To obtain a brine cooling liquid composition that can be used over a wide temperature range from a low temperature to a high temperature. SOLUTION: A brine composition applicable for an indirect cooling heat medium liquid contains 30-90 wt.% of glycols and/or glycerin and is prepared by adding thereto at least one compound selected from the group consisting of a phosphate, a triazole compound, a borate, an aromatic carboxylate, a molybdate, a nitrite and an alkali, wherein the composition has a pH value of 10.0-13.0.
Patent JP-H0672954-A (JP)
Title: Novel acrylic ester
Inventor: FUNAE YASUAKI
IPC: A61P31/04
Filed: 1992-08-27
Abstract: PURPOSE:To provide an acrylic ester free from anaerobicity, useful as an intermediate for medicines and pesticides and for the modification in polymerization processes, also polymerizable by ultraviolet irradiation in its polymerization. CONSTITUTION:The objective compound, 2-formylethyl acrylate of the formula, which can be obtained by reaction of acrylic acid with acrolein using, as catalyst, an alkaline earth metal halide or basic ion exchange resin.
Patent JP-S61105804-A (JP)
Inventor: MIKI NOBUYUKI
IPC: H01C7/04
Filed: 1984-10-30
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-H1168680-A (JP)
Title: Display device for satellite broadcast reception state
Inventor: YAZAWA SATOSHI
IPC: H04B17/23
Filed: 1997-08-25
Abstract: PROBLEM TO BE SOLVED: To easily and accurately install a parabolic antenna at a best reception position of a desired satellite broadcast wave by discriminating a reception electric field strength in the vicinity of the parabolic antenna. SOLUTION: A reception electric field strength signal Sd and a power supply B+ are supplied from a satellite receiver 6 to a level display device through a coaxial cable 5. A separate signal/power supply circuit 41 of the level display device 4 extracts the reception electric field strength signal Sd and the power supply B+ to provide their output. The power supply B+ is supplied to each section of the level display device 4, while the reception electric field strength signal Sd superimposed on the power supply B+ is given to a display signal generating circuit 42. The display signal generating circuit 42 converts the reception electric field strength signal Sd into a digital signal and generates a drive signal Sda to be displayed on a 7-segment display device 43 from the correction signal Sd, on which a numeral of the reception electric field strength is displayed.  The reception position (azimuth and elevating angles) of a parabolic antenna 1 is adjusted to maximize the numeral.
Patent JP-H06322341-A (JP)
Title: Pressure-sensitive contact adhesive and contact adhesive tape that is produced by using it and can be torn off by hand
Inventor: YURUGEN GURAABEMAN
IPC: C08J7/02
Filed: 1993-09-14
Abstract: Pressure-sensitive contact adhesive which is characterised in that it contains a mixture of   A) from 0 to 90% by weight of acrylate-vinyl acetate-acrylic acid copolymer having 2 to 8 carbon atoms in the alcohol component of the acrylate and, based on the copolymer, from 10 to 60% by weight of vinyl acetate and from 1 to 10% by weight of acrylic acid (Fikentscher K value in the range from 50 to 110, measured in accordance with DIN 51562 in tetrahydrofuran), B) from 10 to 80% by weight of acrylate-acrylic acid-N-methylolmethacrylamide copolymer having 4 to 8 carbon atoms in the alcohol component of the acrylate and, based on the copolymer, from 1 to 10% by weight of acrylic acid and from 1 to 10% by weight of self-crosslinking N-methylolmethacrylamide (Fikentscher K value in the range from 70 to 130, measured in accordance with DIN 51562 in tetrahydrofuran), C) from 0 to 90% by weight of acrylate-ethyl acrylate-N-methylolmethacrylamide-acrylic acid copolymer having 4 to 8 carbon atoms in the alcohol component of the acrylate and, based on the copolymer, from 1 to 10% by weight of acrylic acid and from 1 to 10% by weight of self-crosslinking N-methylolmethacrylamide and from 20 to 80% by weight of ethyl acrylate (Fikentscher K value in the range from 80 to 130, measured in accordance with DIN 51562 in tetrahydrofuran), D) from 0 to 25% by weight of phthalic esters (phthalates) having 2 to 12 carbon atoms in the alcohol component of the ester, where at least one of components A) and C) is present in addition to component B). It is suitable for the production of manually tearable contact adhesive tapes for the embroidery and textile industries.
Patent JP-S63121952-A (JP)
Title: One-chip processor
Inventor: SATO TADASHI
IPC: G11C11/401
Filed: 1987-09-14
Abstract: PURPOSE:To form a one-chip processor incorporating a bulk RAM whose reliability is enhanced thanks to a high yield by combining plural small capacity RAM modules. CONSTITUTION:The bulk RAM incorporated in the one-chip processor 1 comprises by combining the plural small capacity RAM 2 modules with comparatively high yields. If defects in the RAM modules 2 composing the bulk RAM are detected, they can be switched to preliminary RAM modules on a RAM module basis. Hence the bulk RAM can be reconstituted and stored control information can be reloaded. Thus the one-chip processor can be formed which incorporates the bulk RAM with a high reliability and a high yield.
Patent JP-H0897053-A (JP)
Title: Wire-wound device, electric power control device, and electric equipment
Inventor: IIDA YUICHI
IPC: H01F27/28
Filed: 1994-09-26
Abstract: PURPOSE: To obtain a wire-wound device which is lessened in size even if a thick winding wire is used and which can secure an enough insulating distance. CONSTITUTION: A primary winding 1 serving as a second winding is 0.8mm in diameter, and a secondary winding 2 serving as a first winding is 2.2mm in diameter. One end of the secondary winding 2 is sheathed in an insulating coating of vinyl tube, and a sloped lead-out part 2c led out of a flange 5b is formed. An insulating sheet 5a is provided onto the secondary winding 2 layer spreading over the lead-out part 2c, and the primary winding 1 is wound on the insulating sheet 5a in layers.
Patent JP-S6475713-A (JP)
Title: Formation of hardened column using cylindrical bag in ground
Inventor: MOTOMURA OSAMU
IPC: E02D3/08
Filed: 1987-09-14
Abstract: PURPOSE:To raise the operability if foundation pile construction by a method in which a tip-closed cylindrical bag of a smaller diameter than that of a pit is inserted into a pit excavated in the ground and a hydraulic material is packed under pressure into the bag to bring the ground into close contact with the hardened body under ground pressure. CONSTITUTION:A pit 1 is excavated in the ground, and a tip-closed cylindrical bag 2 of a diameter smaller than that of the pit 1 is inserted into the pit 1. Cement mortar 5 is packed by a pump into the bag 2 from its opened upper end 3 to form a hardened round column 6. Immediately thereafter, the surrounding ground is slowly slackened by release of stress by excavation, the diameter of the pit becomes gradually smaller, and the column 6 comes into close contact with the ground finally. Since the surrounding ground is not in contact with the bag when packing the cement mortar, the packing pressure can be controlled without the influence of the ground.
Patent JP-H0970598-A (JP)
Title: Ultrapure water producing device
Inventor: YAMAZAKI KAZUYUKI
IPC: C02F9/00
Filed: 1995-09-06
Abstract: PROBLEM TO BE SOLVED: To provide an ultrapure water producing device by which a recovered waste water is biologically treated and reutilized without causing the clogging of a treating line due to the abnormal propagation of microorganisms and by which an ultrapure water having 1ppb TOC is obtained. SOLUTION: This ultrapure water producing device has the lower part having an anaerobic org. matter treating part 12 and the upper part arranged above the lower part through a separation plate WB having an opening 16 and having a biological treating device including an aerobic org. matter treating part 1. Since the nutrition source of microorganisms is consumed by the anaerobes in the lower part and the aerobes in the upper part, a water to be treated in which microorganisms are hardly propagated is obtained. Further, an org. nitrogen compd. is treated by the microorganisms in addition to TOC, and the water to be treated low in conductivity is obtained.
Patent JP-H1074795-A (JP)
Title: Semiconductor device and its manufacture
Inventor: URUSHIMA MICHITAKA
IPC: H01L23/64
Filed: 1996-08-29
Abstract: PROBLEM TO BE SOLVED: To improve the electric characteristic of the grounding wiring of a package and to reduce the manufacturing cost of the wiring by reducing the length of the wiring and, at the same time, to improve the heat radiating property of the wiring by radiating the heat generated form the wiring to a printed board. SOLUTION: ATAEI (tape automated bonding) tape carrying a ground layer 3 connected to a grounding conductor is provided in the device hole l of a base film 4 and a resin sealing hole 28 is provided at the center of the layer 3 for fixing a semiconductor chip 2 and the base film 4. Then a package in which ground wiring 8 is connected to a ground pad electrode 13 is sealed with a resin 6. The inductance of the wiring 8 is reduced and the heat radiating property of the wiring 8 is improved by shorting the length of the wiring 8 by forming the wiring 8 in the chip 2 by cutting the package after heat radiating and grourlding bumps 5 are formed in a hole f6rmed in the cover resist 9 of the ground layer 3 and arranging and sticking each cut package on and to a mounting substrate.
Patent JP-H0565713-A (JP)
Title: Water-swelling water stopper
Inventor: KOBAYASHI YUTAKA
IPC: E02D31/04
Filed: 1991-09-09
Abstract: PURPOSE:To obtain sufficient sealing effect by a method in which water-swelling materials having different water-swelling ratios are laminated in the order of increasing water-swelling ratios and one side of the water-swelling material having minimum water-swelling ratio is bonded to the object to be sealed. CONSTITUTION:Water-swelling materials having different water-swelling ratios are laminated into the layers A and B in the order of increasing water-swelling ratios. One side of the layer A having the minimum water-swelling ratio is bonded through an adhesive layer 5 to one of paired faces 2 and 3 to be sealed. The layers A and B are uniformly swollen on the basis of the bonded face to prevent the cohesive breakage of the adhesive layer.
Patent JP-H0393083-A (JP)
Title: Searching method in cd player
Inventor: KAWAMURA HISATOSHI
IPC: G11B27/10
Filed: 1989-09-04
Abstract: PURPOSE:To shorten the research time by stopping immediately the present search for music when the search for new music is requested during the present search and afterward searching the new target music. CONSTITUTION:When a servo request is issued upon the designation of a new music number during the execution of a search processing, the search processing is immediately stopped by a system controller 6. Afterward, a tracking servo is turned on to make a beam positioned in the center of a track, and absolute time information Ta in a present position of the beam is calculated from a subcode Q channel read out at that time. And, absolute time information Tt in a leading position of the newly designated music number is calculated by the controller 6 from read-in area information. By using these bits of time information Ta and Tt, the number of tracks from the present position to the leading position of the target music, i.e., the number of tracks to be jumped over is calculated. A pickup 2 is positioned ahead of the new target music by using this number of tracks.
Patent JP-S60121776-A (JP)
Title: Joining method of silicon crystal
Inventor: SHINPO MASARU
IPC: H01L29/84
Filed: 1983-12-06
Abstract: PURPOSE:To join silicon crystals mutually and firmly by fast sticking the two silicon crystals exposed in clean air so as to have a hydrophillic nature in a clean room and thermally treating them at a fixed temperature. CONSTITUTION:The surfaces to be joined of two silicon crystals are mirror-polished to surface roughness of 500Angstrom  or less and smoothed, and the surfaces are degreased by trichlene, etc. The surfaces are dipped in a mixed liquid of hydrofluoric acid, nitric acid and acetic acide to remove surface denatured chips, and the surfaces are brought to water repellency. The surfaces are washed and dried rapidly, and silicon left as water repellency is kept is left as it is for approximately one hr in a clean atmosphere of the quantity of suspended dust of approximately 20 number/m<2> or less, fast stuck under the same clean conditions, and thermally treated at a temperature of approximately 200 deg.C or higher. Accordingly, an excellent adhesive body is obtained.
Patent JP-H0567200-A (JP)
Title: Picture processing method for optical measuring instrument
Inventor: YAMAOKA NAOJI
IPC: G06T7/00
Filed: 1991-09-09
Abstract: PURPOSE:To measure a work with a reference of the intersection which is obtained from an equation of a picture line, with a high precision by accurately setting a window in a prescribed part of a picture even at the time of displacement of the picture on a screen and accurately calculating the equation. CONSTITUTION:The pointed end position of the maximum part in the X-axis direction of a light section picture S is measured. Two windows W6 and W7 long in the Y-axis direction are set in positions prescribed length back from this position in the X-axis direction. Positions of picture centroids G6 and G7 of windows are measured to determine the position of a reference point M having prescribed correlations to both centroids. Plural windows W1...W5 are set with the reference point M as the positioning reference in picture parts placed on both sides of a maximum part in the Y-axis direction. The equation expressing the picture line in picture parts on both sides in the Y-axis direction is calculated in accordance with picture centroids G1...G5 measured in these windows to obtain the intersection of both lines.