baber/WOPTO huggingface dataset:
Patent JP-2002322230-A (JP)
Title: Method for producing soft polyurethane foam and polyol composition
Inventor: TOYODA MASANORI
IPC: C08G101/00
Filed: 2001-04-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a soft foam of which hardening and curing properties in producing the soft foam are good, and having a good mechanical and a high endurance without shrinkage. SOLUTION: This method for producing the soft polyurethane foam is provided by using a polymer-dispersed polyol obtained by employing (A) a polyol synthesized by using a compounded metal cyanide complex catalyst and having a random additional structure of ethylene oxide and a >=3C alkylene oxide until its terminals, and (B) a polyol synthesized by using an alkali metal catalyst and containing >=85% primary hydroxyl groups at the terminals of its molecule, as a matrix.
Patent JP-2002319150-A (JP)
Title: Optical disk unit and method for processing optical disk
Inventor: YONEZAWA MINORU
IPC: G11B7/135
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk unit in which a focus is so controlled that an objective lens does not collide with the disk even when the distance between the disk and the objective lens is small or the error signal of focus becomes small and a servo becomes ineffective due to the influence of a scratch or dust on the disk. SOLUTION: The optical disk unit is provided with a first optical system having an objective lens of a first numerical aperture(NA), a second optical system having an objective lens of a second NA which is smaller than the first NA, an adding means which adds the focus error signals detected with the first and the second optical systems, and a positioning means which decides the position of the objective lenses according to the result of addition with the adding means.
Patent JP-2002324821-A (JP)
Title: Equipment and method for pressure bonding electronic component
Inventor: WATANABE KOJI
IPC: H01L21/60
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide equipment and an method for pressure-bonding an electronic component such as a plurality of flip chips on a substrate at a time. SOLUTION: The equipment is provided with a pedestal part 1 having a plurality of pressure-bonding tools 3 for pressure-bonding the electronic component, a plurality of insertion holes being guides 2 capable of simultaneously vertically moving the tools 3 on the substrate, and an elastic body 5 for adjusting the difference between the vertically moved distances of the tools 3. When the electronic components different in thickness are simultaneously pressure-bonded by the equipment, a difference between the strokes of the tool is canceled by the difference between the deformation amounts of the elastic body interposed in the tool, and the batch-process of pressure-bonding of the electronic components can be easily realized.
Patent JP-2002335697-A (JP)
Title: Voltage control method for induction generator using variable reactor
Inventor: MIYANAGA HIROAKI
IPC: H02P9/00
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a voltage control method which can extend an upper limit of an operation speed range of a self-excitation induction generator to a value three times that of a conventional technology. SOLUTION: This voltage control method for a self-excitation induction generator changes an inductance by a variable reactor to change a value of an equivalent capacitive current so as to correspond to a revolution of the self-excitation induction generator and a load variation.
Patent JP-2002326733-A (JP)
Title: Belt conveyor device and image forming device
Inventor: OZAKI AKIHIRO
IPC: B65G15/42
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To prevent the production of rib rubbing chips by preventing the rib of a belt from rubbing a drive or driven roller in simple structure. SOLUTION: The rib 37a is provided in an edge section of the transfer belt 37 in the width direction on the side of the back face of the belt 37 along the running direction, and a collar member 72 with a cutout section 72b having a shape with which the rib 37a of the transfer belt 37 engages, is arranged in the end section of the drive roller 38 in its rotary axial direction so as to be rotatable in relation to the drive roller 38.
Patent JP-2001354050-A (JP)
Title: Method and device for controlling optimum driving torque for internal combustion engine provided with automatic transmission
Inventor: MINOWA TOSHIMICHI
IPC: B60W10/10
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To prevent a booming noise and vibration in a lock-up operation to allow lock-up control from a low speed area, so as to enhance a fuel consumption and drivability. SOLUTION: The booming noise and the vibration in the lock-up control are prevented by a torque fluctuation detecting means for detecting excess and deficiency of torque generated in an engine, a generated torque control means for controlling the generated torque in the engine in response to the excess and the deficiency of the torque in the condition of the maximum coupling rate of a clutch, and a torque transmission factor control means.
Patent JP-2002327139-A (JP)
Title: Ink for electrostatic ink jet recording, method for electrostatic ink jet recording using the ink and recording apparatus
Inventor: OSHIMA KENJI
IPC: C09D11/38
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To provide an ink for electrostatic ink jet recording realizing stable high-speed ejection of ink and forming an image having high density and fixability and provide an electrostatic ink jet recording method and a recording apparatus using the ink. SOLUTION: The ink for electrostatic ink jet recording contains an electrically insulating non-aqueous solvent containing at least a coloring material insoluble in the non-aqueous solvent, a thermoplastic resin soluble in the non- aqueous solvent and a charge-controlling agent soluble in the non-aqueous solvent and applying electrostatic charge to the coloring material and has a volume resistivity of >=10<7> Ω.m. The ink further contains an oleophilic nonionic surfactant soluble in the non-aqueous solvent.
Patent JP-2002330566-A (JP)
Title: Disk drive device
Inventor: OKANO HIDEO
IPC: G11B33/12
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To improve silence while maintaining thinned make and high speed, with a disk drive device which can prevent vibration generating in the stator coil itself and the chassis, and reduces noise accompanied by it. SOLUTION: In the disk drive device 41, which has the chassis 47; a cylinder- like hub 45 rotatably supported by the chassis 47; a ring-like rotor magnet 55 fixed to the inner periphery of the hub 45; and a stator core 59 fixed to the chassis 47, winding a stator coil 57 and disposed in and facing the inner periphery of the rotor magnet 55, the stator coil 57 and the stator core 59 are integrally plastic-molded; and are fixed to the chassis 47.
Patent JP-2002053406-A (JP)
Title: Insecticidal mat and thermal dissipation insecticidal method using the mat
Inventor: KISHI MIE
IPC: A01N53/10
Filed: 2001-05-10
Abstract: PROBLEM TO BE SOLVED: To provide an insecticidal mat to be used with a portable thermal dissipation device and continuing the insecticidal activity for >=8 hr in open space and provide a thermal dissipation method for killing insects by using the mat. SOLUTION: The insecticidal mat is a fibrous mat having a size of 1,000-2,500 mm2, containing 250-600 of allethrin as an insecticidal component, 600-1,000 mg of piperonyl butoxide as an evaporation suppressing agent and 10-100 mg of at least one compound selected from 2,5-di-t-butylhydroquinone, 3,5-di-t-butyl-4- hydroxytoluene and 3-t-butyl-4-hydroxyanisole per one sheet and used by placing on a hot plate of a portable thermal dissipation device. The hot plate has a size of 1,000-2,500 mm2, the temperature of the center part is 150-190 deg.C and the temperature difference between the center part and the edge part is <=10 deg.C. The invention also relates to a thermal dissipation method for killing insects by using the insecticidal mat.
Patent JP-2002344349-A (JP)
Title: Transmission and reception switching device using thin film piezoelectric resonator
Inventor: NISHIMURA KOSUKE
IPC: H03H9/70
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a small and inexpensive transmission/reception switching device which can be made monolithic and can have a good breakdown power. SOLUTION: A transmission band filter 110 having a series-connected elements 111, 113 and 115 as a thin film piezoelectric resonator and ground connection shunt elements 112 and 114 is connected between a transmission port 102 and an antenna port 106. A reception band filter 130 having series-connected elements 131, 133 and 135 as a thin film piezoelectric resonator and ground connection shunt elements 132, 134 and 136 is connected between a reception port 104 and the antenna port 106. A thin film piezoelectric resonator 150 for adjustment is provided between the antenna port 106 and ground. The resonance frequency of the adjusting resonator 150 is set at a value between the upper limit frequency of a transmission pass-band of the transmission filter 110 and the lower limit frequency of a reception pass-band of the reception filter 130.
Patent JP-2002338813-A (JP)
Title: Pavement bonding material, preparation process of pavement bonding material, modifier for pavement bonding material and its preparation process
Inventor: UCHIDA KOHEI
IPC: C08L95/00
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a pavement bonding material variety of which material can be prepared in a preparation line in a short period of time and to provide a preparation process of the pavement bonding material, a modifier to prepare the pavement bonding material and a preparation process of the modifier. SOLUTION: A base bonding material is prepared by grinding and mixing a straight asphalt and a styrene/butadiene/styrene block copolymer (SBS) of an average molecular weight of 150,000 with a mill 12 and dissolving it uniformly in a preparation tank for a short period of time. Simultaneously, a modifier is prepared by dissolving an SBS of an average molecular weight of 250,000 in an aromatic oil at 160 deg.C to 180 deg.C. Then, a pavement bonding material is completed by mixing the modifier with the base bonding material. Various pavement bonding materials can be prepared by changing the amount of the modifier to mix.
Patent JP-2002344322-A (JP)
Title: Digital signal compressor circuit
Inventor: NAKADA SHUNJI
IPC: H04N19/625
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To provide a digital signal compressor circuit low in power consumption. SOLUTION: The digital signal compressor circuit operates in a way that a subtractor 7 takes the difference between an image signal and a prediction signal, a discrete cosine converter 1 converts this difference to a discrete cosine conversion factor which is then quantized by a quantizer 2 and coded by a variable length coder 8 to output a compressed image signal while an inverse quantizer 3 and an inverse discrete cosine converter process the output of the quantizer 2 into a decoded signal, an adder 6 adds it to the predicting signal, and the output of the adder 6 is fed to a delay element 5 to provide a predicting signal for taking the difference from the next image signal.  Between the subtractor 7 and the discrete cosine converter 1, a zero compressor 9 is disposed which outputs zero, if the absolute value of the input signal value is not greater than specified, or otherwise directly outputs the input signal as an output signal.
Patent JP-2002342812-A (JP)
Title: Paper currency arranger
Inventor: KAWANAGA KEIJI
IPC: G07D9/00
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To unify using frequencies of temporary accumulation parts to prolong a life of an accumulation mechanism, in a paper currency arranger provided with the accumulation mechanism having the plural accumulation parts. SOLUTION: The each accumulation part stores integratingly the number of accumulated paper currency sheets in a storage part of a control system, the using frequencies are comparison-operated in the control part using an integrated value in the every accumulation part as an index for indicating the frequencies of the accumulation part, and paper currencies are allocated in order from the accumulation part of less using frequencies.
Patent JP-2002286928-A (JP)
Title: Color filter, material for forming color filter and method for manufacturing color filter
Inventor: WASHISU SHINTARO
IPC: G02B5/20
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a color filter with high resolution and with excellent flatness, a material for forming the same and a method for manufacturing the color filter with high productivity, at a low cost and with little burden on the environment. SOLUTION: The color filter comprises two or more color developing layers which develop colors with mutually different hues and in respectively specified patterns, laminated on a translucent supporting body. The color filter is provided with a region in which the color developing patterns of the layers overlap with each other in the direction of lamination (1) or the color developing patterns of the layers do not overlap with each other in the direction of lamination (2). The material for forming the color filter comprises two or more photosensitive and thermosensitive color developing layers which develop the colors with the mutually different hues laminated on the translucent supporting body.  The method for manufacturing the color filter is provided with a latent image forming step to expose each of the photosensitive and thermosensitive color developing layers of the material for forming the color filter so as to form the specified patterns, a color developing step to heat the photosensitive and thermosensitive color developing layers and a fixing step to fix the color developing patterns.
Patent JP-2002336499-A (JP)
Title: Game machine
Inventor: WADA TOSHIHARU
IPC: A63F7/02
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To prevent the memory capacity from becoming insufficient even when a control for changing a maximum accumulatable number for a start storage number is performed. SOLUTION: A main control section 200 increases the maximum accumulatable number with the upper limit value '8' as a limit when specified conditions are satisfied. However, when the specified conditions are not satisfied, the main control section 200 decreases the maximum accumulatable number with the lower limit value '4' as a limit. Therefore, the maximum accumulatable number is changed in order within a range between the lower limit value and the upper limit value. By properly setting the upper and lower limit values, the memory capacity can be prevented from becoming insufficient even when the control for changing the maximum accumulatable number is performed.
Patent JP-2002338989-A (JP)
Title: Treatment method for electrical insulation oil and treatment apparatus therefor
Inventor: AMIMOTO TAKESHI
IPC: H01F27/14
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To provide a treatment method for an electrical insulation oil whereby BTA and other additives can be easily added to an electrical insulation oil; and a treatment apparatus used therefor. SOLUTION: An electrical insulation oil is sent through a pipeline 5 into a dissolution aid dissolution tank 2, and a dissolution aid containing BTA and other additives dissolved therein in advance is charged through a charge port for the dissolution aid into the dissolution tank 2 therein to dissolve the dissolution aid and BTA and other additives in the insulation oil. The insulation oil treated in the dissolution tank 2 is sent into a dissolution aid removal tank 3 to remove only the dissolution aid from the insulation oil, thus giving the insulation oil containing BTA and other additives dissolved therein. The amount of the remaining dissolution aid in the insulation oil treated in the removal tank 3 is detected with a dissolution aid detection apparatus to confirm the amount of the dissolution aid recovered.  The insulation oil containing BTA and other additives dissolved therein is sent through a pipeline 6 to an electrical insulation oil storage tank or an oil-containing electrical apparatus.
Patent JP-2002343652-A (JP)
Title: Reactor or transformer
Inventor: MORI HITOSHI
IPC: H01F30/00
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a reactor or a transformer having a small leakage inductance, few connection locations, and proper quality characteristics. SOLUTION: The reactor or the transformer comprises a plurality of conductive bars 4(1) to 4(n), a plurality of conductive plates 3(1) to 3(n) which are wider than the conductive bars 4(1) to 4(n) and bent into a U shape, with their confronting faces being cut alternately, and a cylindrical core 1. The conductive bars 4(1) to 4(n) are arranged inside face of the cylindrical core 1, the conductive plates 3(1) to 3(n) are fit to the outside face of the cylindrical core, one end face of the conductive bar faces one end face of the adjacent conductive bar, and the conductive bars 3(1) to 3(n) are connected in a spiral form.
Patent JP-2002338935-A (JP)
Title: Heat-sensitive adhesive composition, heat-sensitive adhesive laminate and manufacturing method for the laminate
Inventor: MIZUMOTO SEIJI
IPC: C09J7/02
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To obtain a heat-sensitive adhesive composition, or the like, useful in manufacturing a heat-sensitive adhesive laminate by coating the composition on a transparent base, wherein the composition can be dried by heating at a higher temperature as well as can maintain high adhesion properties and transparency for a long time, and is further excellent in blocking resistance. SOLUTION: In the heat-sensitive adhesive composition comprising a thermoplastic resin and a solid plasticizer as principal components, the solid plasticizer comprises at least two kinds of compounds, and a difference in solubility parameter between the at least two kinds of compounds according to the Fedors method is <=3 (MJ/m<3> )<1/2> .
Patent JP-2002346944-A (JP)
Title: Screw tightening method and device
Inventor: NIGORIKAWA YUKINOBU
IPC: B25B23/14
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a screw tightening method and device that can reduce a burden on a worker and shorten working time by ensuring accurate tightening up to and inspection of target torque. SOLUTION: A servomotor 2 is used for high-speed rotation as a temporary tightening process up to seating torque from a start of screw tightening, and then in a servo lock state, a worker manually operates a tightening machine body 1 for manual tightening as a complete tightening process up to target torque. In the tightening machine body 1, turning force is transmitted from the servomotor 2 to a socket 5 via a torque detector 3 and a transmission gear mechanism 4, and an electric signal from a resolver 6 for converting a turning angle of a rotor of the servomotor 2 to an electric signal, and a detection torque signal from the torque detector 3 are amplified in an amplifier 7 and supplied to a controller 9, which in turn controls the servomotor 2.
Patent JP-2002347935-A (JP)
Title: Commodity inventory quantity determination method
Inventor: KASUGA YOICHI
IPC: G06Q50/00
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a low-cost determination method for a commodity inventory quantity preventing stockout etc., for a customer. SOLUTION: This commodity inventory quantity determination method includes step for storing fluctuation data of commodity shipment in some period in a physical distribution node of the commodity in a first memory 23, a step where a computer finds an approximate fluctuation function of the fluctuation data based on the fluctuation data from the first memory 23, a step for storing the approximate fluctuation function in an approximate fluctuation function memory 31a, a step where the computer finds deviation width data comprising a different between the fluctuation data from the first memory 23 and the approximate fluctuation function from the approximate fluctuation function memory 31a, a step for storing the deviation width data in a deviation width data memory 59a,  and a step where the computer calculates the commodity inventory quantity based on the deviation width data from the deviation width data memory 59a.
Patent JP-2002350587-A (JP)
Title: Radiation shield body and shield wall
Inventor: KONISHI TORU
IPC: G21F3/00
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a radiation shield body and shield wall with a structure capable of ensuring a sight for monitoring the shielded body through the shield body, facilitating check and operation of the shielded body and protecting workers from a proper radiation source. SOLUTION: An opening window is provided to the shield body used for a radiation shield, and a leaded glass is detachably installed in the window part to check and operate the shielded body. A fitting means to contact the shield bodies in a slab shape is provided and a slab shape wall structure is constituted with a plurality of shield bodies.
Patent JP-2002350483-A (JP)
Title: Circuit board sucker and circuit board inspection device
Inventor: SEKI KAZUHIKO
IPC: H05K3/00
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a circuit board sucker capable of positively and easily sucking and holding an inspection objective circuit board. SOLUTION: The circuit board sucker 2 is provided with a board mounting block 11 provided with a box-like case 11a with one opened face and a mounting plate 11b attached to an opening portion of the case 11a and formed with a plurality of suction holes IH, IH, etc., and a sucking means 12 sucking air of an interior of the case 11a. In an interior of each suction hole IH, an automatic opening/closing valve gear BL is provided opening the suction hole IH when the sucking means 12 is in a non-operated state and blocking the suction hole IH when a pressure of the case IH interior is lowered by the sucking means 12.
Patent JP-2002352649-A (JP)
Title: METHOD FOR MANUFACTURING MgB2 SUPERCONDUCTIVE WIRE MATERIAL
Inventor: WATABE TOMONORI
IPC: H01B13/00
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To prepare a MgB2 superconductive wire material having flexibility for bending and high critical current density (Jc) by using inexpensive material. SOLUTION: In this method for manufacturing MgB2 superconductive wire material for forming a MgB2 superconductor by preparing a metal substrate and a metal material made of at least one kind of element composing the MgB2 superconductor, forming a vapor deposition film by a vapor deposition method by using the metal material for the metal substrate and performing heating treatment for the metal substrate and the vapor deposition film, the element is Mg or B and the metal material is one kind or more among pure metal, alloys and intermetallilc compound of the element.
Patent JP-2002356721-A (JP)
Title: Method for recycling magnesium-alloy parts, and recycled parts
Inventor: ISOMI AKIRA
IPC: C22B1/00
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently recycling painted magnesium-alloy parts. SOLUTION: In the method for reclaiming the magnesium-alloy parts, the painted magnesium-alloy parts are first subjected to paint-stripping treatment and then remelting is applied to the magnesium-alloy parts by adding chlorides.