baber/WOPTO huggingface dataset:
Patent JP-H03188934-A (JP)
Title: Dispersant for aqueous iron oxide slurry
Inventor: SANO KEIKO
IPC: C09K23/52
Filed: 1989-12-20
Abstract: PURPOSE:To prevent the settling of iron oxide particles in an aq. iron oxide slurry during storage by using a copolymer of a specified unsatd. carboxylic acid or carboxylate with a specified unsatd. carboxylic ester as a dispersant for the slurry. CONSTITUTION:An unsatd. carboxylic acid or carboxylate represented by formula I (where R<1> is H or 1-3C alkyl and M is a cation) is copolymerized with an unsatd. carboxylic ester represented by formula II (where R<2> is H or 1-3C alkyl and R<3> is 1-8C alkyl, alkenyl, aryl or alkylaryl) by emulsion polymn. or other method and the resulting copolymer is used as a dispersant for an aq. iron oxide slurry. An aq. slurry contg. stably dispersed iron oxide particles of 0.1-5mum average particle size can be prepd. by using the dispersant.
Patent JP-H10146058-A (JP)
Title: Rectifying circuit
Inventor: MUKOGAWA MASASHI
IPC: H02M7/06
Filed: 1996-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a rectifying circuit having a stable function to automatically switch the voltages of 100V and 20V with a simplified circuit resulting in a lower power consumption. SOLUTION: In a rectifying circuit consisting of a rectifying bridge 2 and smoothing capacitors 3, 3', a stop circuit is provided in which a smoothing capacitor is formed of at least one or more pairs of capacitors having equal electrostatic capacitance connected in series, one of the input terminal is connected to the intermediate connecting point of the smoothing capacitor with a bidirectional switching element, the bidirectional switching element is driven with a relaxation oscillating circuit, and operation of the relaxation oscillating circuit is stopped with a voltage higher than the preset voltage.
Patent JP-2000146999-A (JP)
Title: Detection part for accelerometer
Inventor: EZAWA RYOJI
IPC: G01P15/11
Filed: 1998-11-05
Abstract: PROBLEM TO BE SOLVED: To obtain a detection part in which an acceleration can be measured precisely according to the magnitude of an acceleration as A usage purpose such as a large acceleration or a small acceleration by a method wherein the shape and the mass of a plumb hob or a magnet, for attraction, which functions as a damper are made variable and they are combined properly. SOLUTION: A slide shaft 4 to which a plumb hob 2 and a core 3 for detection are attached is supported on a board 5 in such a way that it is slid freely only in its axial direction. Magnets 6 for attraction are arranged and installed on both sides of the plumb hob 2 in such a way that a swlling part 2a and a swelling part 2a which are formed on both side faces of the plumb hob 2 are brought close to the magnets 6 for attraction. The plumb hob 2 is attracted to sides of the magnets 6 for attraction so as to form a damper 7. Coils 11, 12, 13, for detection are fixed to and installed on, the board 5 in the outer circumference of the core 3 for detection. In its standstill, the core 3 for detection is constituted so as to be situated near the inside of the coil 12 for detection.
Patent JP-2000164788-A (JP)
Title: Lead frame for semiconductor package and semiconductor package using the lead frame and its manufacture
Inventor: KAN SHOSOKU
IPC: H01L23/50
Filed: 1999-11-19
Abstract: PROBLEM TO BE SOLVED: To effectively prevent detachment of a lead at singulation, by forming in an end part of an inner lead section, a lead detachment preventive section for reinforcing the bonding between the lead and a plastic-mold section. SOLUTION: A lead frame 10 is constituted of a semiconductor chip mounting section 16, tie bars for supporting the four corners of the chip-mounting section 16, a plurality of leads 11 arranged in the direction vertical to each of the four sides of the chip-mounting section 16, and dam bars 17 for supporting the leads 11 and the tie bars 15. In both side faces of an end part of an inner lead section 12 of the lead 11, locking lugs are formed as lead detachment preventive sections 14. Thereby, even if cutting impact is transmitted to the lead 11 at singulation after the formation of a plastic molding section, the lead 11 is never detached from the plastic-mold section or a wire is not short- circuited due to vibration since the lead 11 is secured positively by the locking lugs.
Patent JP-H05162935-A (JP)
Title: Signal transmission device for elevator
Inventor: ANDO HIROSHI
IPC: B66B3/00
Filed: 1991-12-13
Abstract: PURPOSE:To transmit the control signals for a plurality of equipment at the same time, with a small quantity of transmission quantity, by forming the operation modes of the equipment at a plurality of getting-on fields, through combination. CONSTITUTION:The procedure for signal transmission is constituted so that the signals for the equipment at a plurality of getting-on fields are formed in cord form, such as between hall lantern 10 in a substation 9A at a getting-on field and a hall chime 11, and the equipment at a plurality of getting-on fields is controlled by a kind of transmission signal.
Patent JP-H05163984-A (JP)
Title: Device for detecting trouble of air-fuel ratio detecting device
Inventor: TOKUDA YOSHIHARU
IPC: F02D41/14
Filed: 1991-12-13
Abstract: PURPOSE:To exactly detect the deterioration of a sensor in an engine having air-fuel ratio sensors provided on the upstream and the downstream side of an exhaust catalyst by, when the trouble of the sensor is detected in the domain of idling time or the like, detecting the deterioration of the sensor on the upstream side on the ratio of outputs of both the sensors. CONSTITUTION:The upstream and downstream sides of a catalyst 7 interposedly provided in the exhaust passage 6 of an engine 1 are provided with the first and second air-fuel ratio sensors 12, 13, and their output signals are inputted in a control unit 9, which controls the air-fuel ratio of the engine 1 in a feedback mode to a target air-fuel ratio on the output of the first air-fuel ratio sensor 12. A sensor trouble detecting means is actuated in a domain where engine intake air quantity detected by an air flowmeter 4 is below set up value at idling time or the like to detect the deterioration of the first air-fuel ratio sensor 12 on the ratio of outputs of the first and second air-fuel ratio sensors 12, 13. for instance the ratio of their frequencies. Namely, when the ratio of frequencies at off-idling time is 1, and that at the idling time is above threshold, the first air-fuel ratio sensor 12 is judged to be in a deteriorated state.
Patent JP-H08230617-A (JP)
Title: Connection piece for wiper device of car
Inventor: EDELE REINHARD
IPC: B60S1/40
Filed: 1995-12-19
Abstract: PROBLEM TO BE SOLVED: To provide a low cost and easy to handle connection piece without necessitating large assortment for varied wiper blades. SOLUTION: A connection piece connects a wiper arm with a curved support member of a wiper blade. The wiper arm is provided with a curved fastener on its wiper bar, and the curved fastener is provided with holes arranged on one straight line on its parallel side walls. The wiper blade is provided with a fixing pin between parallel side plates in a fixation section in which the upper side is open. The connection piece is provided with an upper connection part 13 for fixing and connecting on the curved fastener of the wiper arm and a lower connection part 21 for locking and connecting so as to oscillate in the fixation section of the curved support member of the wiper blade.
Patent JP-H01269476-A (JP)
Title: Production of calcium fortified fruit juice by dispersing calcium hydroxide slurry throughout low temperature sterilized juice stream
Inventor: JIEEMUSU BAAGAA KAMUDEN
IPC: A23L1/304
Filed: 1988-12-27
Abstract: PURPOSE: To solve problems of precipitation of Ca salt caused by pasteurization or aseptic processes and to obtain a tasty beverage having a desired Ca level by uniformly dispersing a calcium hydroxide slurry in a low temp. pasteurized juice flow. CONSTITUTION: A low temp. pasteurized fruit juice flow containing <=0.12wt.%, preferably 0wt.% soluble calcium and 0 to 4wt.% citric acid is prepared. A calcium hydroxide slurry preferably containing 2 to 16wt.%, and most preferably 4 to 12wt.% calcium hydroxide Ca(OH)2 is prepared. This slurry is uniformly dispersed in the low temp. pasteurized juice flow to obtain the beverage of the purpose containing 0.10 to 0.20wt.% soluble calcium and 45wt.% fruit juice, having a solid content of 2 to 16 Brix degrees and pH<=5.0, preferably <=4.5pH.
Patent JP-H03227373-A (JP)
Title: Method for stabilizing bismuth vanadate pigment against hydrochloric acid attack
Inventor: FURITSUTSU HEREN
IPC: C09D7/62
Filed: 1990-11-30
Abstract: PURPOSE: To obtain a bismuth vanadate pigment that is stabilized against the attack by hydrochloric acid and gives a coating excellent in stability, by treating the bismuth vanadate pigment with a metal phosphate under specified conditions.  
     CONSTITUTION: (B) An orthophosphate consisting of calcium orthophosphate, magnesium orthophosphate, aluminum orthophosphate, zirconium orthophosphate and/or titanium orthophosphate or a mixture of these orthophosphates with zinc orthophosphate is treated with (A) an aqueous suspension of a bismuth vanadate pigment in the temp. range from 20 to 100°C and in the pH range from 2 to 8 with stirring and with the amount of the mixture being 2 to 20 wt.% based on the component (A), the orthophosphates are precipitated in situ from a suitable metal salt of a strong mineral acid and orthophosphoric acid (alkali metal salt), and the resulting product is isolated to obtain the intended pigment. 
     COPYRIGHT: (C)1991,JPO
Patent JP-H03192103-A (JP)
Title: Radical-curable polyvinyl alcohol derivative
Inventor: FURUNO AKIHISA
IPC: C08F16/02
Filed: 1989-12-22
Abstract: PURPOSE:To provide the title derivative useful as an inexpensive water- developable image-forming material by reacting a specified anion-modified polyvinyl alcohol with a glycidylated vinyl compound in an aqueous solvent under acidic conditions. CONSTITUTION:A copolymer of vinyl acetate with an unsaturated carboxylic acid and/or its derivative (e.g. maleic anhydride) is saponified to produce an anion-modified polyvinyl alcohol. The obtained alcohol is reacted with a glycidylated vinyl compound (e.g. glycidyl methacrylate) in water or a water/ lower alcohol mixed solvent under acidic conditions to produce a radical-curable polyvinyl alcohol derivative. This derivative can be desirably used in the production of plates for letterpress printing, screen printing, etc., and fine processing for printed circuits, television shadow masks, etc.
Patent JP-H04293446-A (JP)
Title: Application of coating agent to inner surface of food container and apparatus therefor
Inventor: YAKURA TAKASHI
IPC: A21B3/16
Filed: 1990-11-29
Abstract: PURPOSE:To effect uniform adsorption of a coating material to the inner wall of the subject vessel by using ionized gas in the spraying of a coating material from a nozzle to the inner wall, thereby eliminating the flotation of the coating material in the form of mist. CONSTITUTION:A corona discharge is generated in a space A surrounded by the inner surface of a case simultaneous to the spray of a coating material from a nozzle 3 in the form of mist. The gas in the space A is ionized by this process and the coating material particle is charged by the collision of the ion to the coating material particle floating in the form of mist. The charged particle is pulled by electrostatic force toward the case 9 charged to opposite polarity to achieve the deposition of the coating material to the inner surface of a case for the forming of a food such as bread and cake.
Patent JP-H07184946-A (JP)
Title: Disposable diaper
Inventor: TABATA KENICHI
IPC: A61F13/15
Filed: 1993-12-27
Abstract: PURPOSE:To surely prevent the front and back leakage of the disposable diaper. CONSTITUTION:An elastic stretching member 8 is provided while being interposed between a liquid permeable sheet 2 and a liquid impermeable sheet 1 at an end flap part EF of the disposable diaper, a waist part barrier sheet BW is arranged at the front and back ends of the diaper over the end flap part EF and an absorbent 3 and over barrier cuffs Bs on both the sides, and a pocket space opened inside is formed by this waist part barrier sheet Bw. Further, as the waist part barrier sheet Bw, any material, which front face side is provided with hydrophilic property and the counter face of the liquid permeable sheet on the rear side is provided with water repellent, is used.
Patent JP-H10198520-A (JP)
Title: Method and device for improving object selection in computer display by giving tacky characteristic to cursol control
Inventor: EDWIN FRANKLIN BERLEY
IPC: G06F3/038
Filed: 1997-12-02
Abstract: PROBLEM TO BE SOLVED: To support the selection and the drag of a graphic object by permit ting cursol control logic to detect a time when a cursol exists in the point of a display device in the object and changing the sensitivity of a pointing device in response to the detection. SOLUTION: When a display manager 230 detects that the cursor crosses a window boundary on the display device in the object so as to enter the new window, cursor control logic decides whether or not the window is provided with a tacky characteristic. When the result is positive, the state is inputted to a pointing device driver 220 together with display that the window boundary is to be crossed in the succeeding cursor position and the driver 220 changes the cursor sensitivity through the use of a value from a pointing device controller 170.
Patent JP-H04206175-A (JP)
Title: Connector
Inventor: MIYAZAWA HIDEO
IPC: H01R13/11
Filed: 1990-11-28
Abstract: PURPOSE:To make insertion and removal of a male connector smooth by forming a contact surface between a male contactor and a female contactor on a metal plate surface. CONSTITUTION:A female contactor main body 21 punched from a metal plate with its smooth surface is mounted into the contactor fitting hole 12a of a housing 12 made of a plastic material or the like. First and second contact terminals 21a, 21b, making contact with the male contactor 13 of the main body 21, are formed with a surface with a small frictional coefficient of smooth metal plate by bending process, and with no rough surface such as a cut surface. Therefore, insertion and removal of the male connector becomes smooth and the contact state between the male and female connectors becomes good.
Patent JP-H08165176-A (JP)
Title: Porous baked material
Inventor: MOCHIZUKI KATSUKO
IPC: C04B38/06
Filed: 1994-12-09
Abstract: PURPOSE: To obtain a porous baked material having a water-holding capacity and especially suitable for a brick for placing on the ground surface or a pot for a plant, etc., by blending coffee grounds with clay and baking at a prescribed temperature. CONSTITUTION: This porous baked material is obtained by blending a carbide derived from carbonizing of coffee grounds with clay and baking at about 700-900 deg.C. Preferably, the blending ratio of the carbide of coffee grounds to clay is 1:9-5:5 (by volume ratio). Strength is further increased and clay is economized by further blending ash derived from ashing of coffee grounds with the carbide.
Patent JP-H04199620-A (JP)
Title: Method for wet treatment of semiconductor substrate and device thereof
Inventor: MIYAGAWA KOICHI
IPC: H01L21/306
Filed: 1990-11-29
Abstract: PURPOSE:To prevent adhesion of a treatment solution to the surface of a substrate, and to contrive reduction of residue and particles by a method wherein a retainer, which is used when a semiconductor substrate is picked up and dried after it has been wet-treated, is provided for exclusive use in a treatment solution and another retainer is provided for exclusive use outside the treatment solution, and the semiconductor substrate is picked up and dried while the retainer being changed. CONSTITUTION:A rinsing vessel 1 is provided with a holding tool 4 which is used in liquid and another holding tool 5 which is used outside the liquid, and a rinsing operation is conducted while a semiconductor substrate 3 is being retained by the holding tool 4. After the rinsing operation has been finished, the semiconductor substrate is picked up, a drying operation is started, and it is dried up while it is being lifted from the liquid slowly. Then, the dried up semiconductor substrate 3 is retained by the holding tool to be used outside the liquid. Then, the holding of the substrate is changed from the holding tool 4 to the holding tool 5, the holding tool 4 is stopped in the liquid, the substrate is slowly picked up by the holding tool 5, it is dried up continuously, and the drying operation is finished. As a result, the adhesion of treatment to the substrate surface can be prevented, and residue and particles can also be reduced.
Patent JP-H04199649-A (JP)
Title: Circuit board
Inventor: ITO KOICHI
IPC: H01L21/60
Filed: 1990-11-29
Abstract: PURPOSE:To correspond to a fine pitch as well as to make it possible to reduce the cost of a material by a method wherein a bump for bonding directly on a pad on a semiconductor element, a board and the like is formed at the tip part of a finger by bending a finger lead. CONSTITUTION:In a finger of a circuit pattern, the tip of the finger 1 is bent by a die or the like, a bump 2 is formed at the tip and a gold plating, for example, is applied. The thickness of the bump 2 is made two times thicker or thereabouts than that of the finger 1. Thereby, as the thickness of the bump 2 is made equal to the bump thickness of a bump formed by half etching, the thickness of a lead can be made thin to half or thereabouts of the thickness of a conventional leads. As a result, a pitch further finer than a conventional pitch also becomes possible. Moreover, as the thickness of a material can be made thin, the cost of the material can be inhibited.
Patent JP-H11165747-A (JP)
Title: Liquid storage bag
Inventor: IGARASHI MASAO
IPC: B65D33/36
Filed: 1997-12-02
Abstract: PROBLEM TO BE SOLVED: To efficiently suck without making molding of a spout complex even if highly viscous liquid is received by sealing a cylindrical member for preventing internal faces of a storage bag from tightly attaching to each other at the time of sucking the liquid inside a liquid storage bag with the spout attached. SOLUTION: A bag body 1 comprises two flexible flat synthetic resin sheets such as vinyl wherein their end regions are fused. A cylindrical member 30 made of synthetic resin is sealed inside the bag body 1 with a spout 10 attached. The cylindrical member 30 generally forms a cylindrical shape wherein its diameter is set to such a size that an internal face of the bag body 1 can tightly attach to a peripheral wall. The cylindrical member 30 comprises a first cylinder 30a and a second cylinder 30b which have been divided into the same shapes via a connection piece 31a at a center wall. Thus the cylindrical member 30 can be bent to flex, so that it can be easily sealed in the bag body 1.
Patent JP-H02180326-A (JP)
Title: Transmission
Inventor: ODAKAWA NOBUYUKI
IPC: F16H57/021
Filed: 1988-12-29
Abstract: PURPOSE:To simplify the structure and enhance the easiness in works by engaging a shaft side detent at the protruding tip of a reverse idler gear shaft at its one end with the engagement part of a support for a bearing to be fixed to an intermediate case. CONSTITUTION:A retaining hole 52 is bored through an intermediate case 6. A shaft side detent 66 is provided at the protruding tip 64 at one end 50 of a reverse idler gear shaft 48 to be held in this penetrative retaining hole 52. On a support for a bearing fixed to this intermediate case 6, a support side detent 68 is provided which restricts the circumferential and axial positions of this reverse idler gear shaft 48 at the time of installation while engaging with the shaft side detent 66. This simplifies the structure and enhances the easiness in works.
Patent JP-H10172809-A (JP)
Title: Chip type varistor and its manufacture
Inventor: NAKAMURA KAZUYOSHI
IPC: H01C7/10
Filed: 1996-12-12
Abstract: PROBLEM TO BE SOLVED: To obtain a superior electric characteristic by preventing occurrence of breakage on the surface of a ceramic elemental body, making an external electrode hard to corrode for solder, and preventing deposition of plating on the surface of the ceramic elemental body. SOLUTION: This varistor comprises a laminated body containing a plurality of ceramic layers, having non-linear-voltage resistance characteristics, with ZnO as main components, an internal electrode layer sandwiched between the ceramic layers of the laminated body, and an external electrode which is formed on the surface of the laminated body and electrically connected to the internal electrode layer. In this case, the external electrode is constituted by a first electrode layer comprising a baked electrode, a second electrode layer of Ni or Ni alloy having a thickness of 0.5-3μm and a third electrode layer of Sm or solder having a thickness of 1-4μm. At least the second electrode layer out of the second electrode layer and the third electrode layer comprise an electroless plating layer.
Patent JP-2001151511-A (JP)
Title: Lithium manganese double oxide and lithium secondary battery using the same
Inventor: UTSUNOMIYA AKIRA
IPC: H01M4/505
Filed: 1999-11-24
Abstract: PROBLEM TO BE SOLVED: To provide a positive polarity active material for a lithium ion secondary battery excellent in high temperature cycle property. SOLUTION: The lithium manganese double oxide is a spinel type lithium manganese double oxide obtained by replacing a part of manganese site by another element and the replaced elements are distributed to be <=50% in the standard deviation (G) to the average value of the replaced element content in each primary crystal particle.
Patent JP-H06161735-A (JP)
Title: Program testing device
Inventor: SAEKI MINORU
IPC: G06F11/28
Filed: 1992-11-18
Abstract: PURPOSE:To obtain the program testing device with good test efficiency by easily confirming the operation of even a program having a large number of source lines or much branch nesting and also correcting its source program. CONSTITUTION:Although a variable value and an execution interruption place are set as execution conditions of the program to be tested for the whole source program, an operator inputs, for example, a subroutine name in an execution place display/input area on a display screen to allocate a screen memory 21 for each subroutine, and performs screen switching between subroutines to perform setting operation. After execution, the source program 8 is corrected when necessary. At this time, if it is considered that there is abnormality in another subroutine, the subroutine name is inputted in the execution place display/input area and then the source area of the latter subroutine allocated in the screen memory 21 is displayed on the display screen, so that the source program 8 is corrected.
Patent JP-H07192660-A (JP)
Title: Image display device
Inventor: HAYAMA HIDEKAZU
IPC: G02B1/11
Filed: 1993-12-27
Abstract: PURPOSE:To suppress color of reflecting light interfering with the view while sufficiently obtaining a reflection preventing effect. CONSTITUTION:A device comprises a glass-made face panel 1, conductive thin film of high refractive index as the first layer 2 formed on an external surface of this glass-made face panel and a reflection preventing Film formed of a low refractive index thin film as the second/third layers 3, 4 laminated on this high refractive index thin film and further having many protrusions and hollows in an exposed surface. The reflection preventing.film has a reflection characteristic where a visual refractive index of mirror surface reflecting light is 1.5% or less and also a refractive index with a 436nm wavelength in a mirror suface reflection spectrum is 3% or less.