baber/WOPTO huggingface dataset:
Patent JP-2004098217-A (JP)
Title: Method for manufacturing microactuator element, and microactuator element
Inventor: SHIMIZU NOBUO
IPC: B81C1/00
Filed: 2002-09-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a microactuator element having low driving voltage and performing a high speed operation in a simple process with excellent yield, and also to provide the microactuator element.  <P>SOLUTION: An optical switching element (microactuator element) has a glass substrate 21 having an oblique surface, a first electrode formed on the oblique surface and a second electrode facing the first electrode. The element is provided with a movable plate rotatable relative to the glass plate 21. The movable plate is rotated (inclined) by electrostatic force generated between the first electrode and the second electrode. When the oblique surface is formed on the glass substrate 21, a stripe-shaped first mask 5 with a high etching rate and a second mask 6 with a low etching rate are formed on the glass substrate 21, and wet etching is performed by using the first mask 5 and the second mask 6.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004082080-A (JP)
Title: Wastewater treatment method and wastewater treatment apparatus
Inventor: IKEMATSU MINEO
IPC: C02F1/78
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wastewater treatment method capable of efficiently removing nitrogen compounds without generating toxicity and reducing the size and cost of the wastewater treatment apparatus, and a wastewater treatment apparatus therefor.  <P>SOLUTION: In treating nitrogen compounds in water to be treated, a pair of electrodes 5 and 6 are at least partially immersed in a water to be treated. For the material of one electrode 5 constituting an anode, an insoluble conductor is used and for the material of the other electrode 6 constituting a cathode, a metal of the group VIII, a conductor containing the metal of the group VIII or a conductor coated with the metal of the same group is used to treat water to be treated using an electrochemical technique.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004098945-A (JP)
Title: Oil-feeding opening structure for small surface boat
Inventor: ABE TOMOHISA
IPC: B63B35/73
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an oil-feeding opening structure for a small surface boat for preventing a damage to the oil-feeding opening or a deck, and thus preventing occurrence of a damage to a chain.  <P>SOLUTION: The oil-feeding opening structure has a fuel tank 13 arranged in a boat body 11, a hose 81 for fuel supply extended from the fuel tank 13 and connected to an oil-feeding opening member 82 provided above the deck 20. One end of a chain 83 is connected to the inside of the oil-feeding opening member 82. The other end of the chain 83 is connected to an oil-feeding cap 84 such that the oil-feeding cap 84 seals an oil-feeding opening 85 of the oil-feeding member 82. A protective tube 86 is provided on a portion of the chain 83 where the tube 86 comes into contact with the oil-feeding opening 85, when the oil-feeding cap 84 is removed. The oil-feeding structure prevents the damage to the oil-feeding opening or the deck, and further prevents the damage to the chain itself. As a result, oil-feeding can be operated without considering the oil-feeding opening or the deck, thereby improving the operability of the oil-feeding operation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004104017-A (JP)
Title: Wiring board and semiconductor device having the wiring board
Inventor: OI ATSUSHI
IPC: H01L23/12
Filed: 2002-09-12
Abstract: <P>PROBLEM TO BE SOLVED: To improve electric characteristics and electromigration when fine wiring patterns are formed on a wiring board for a semiconductor device.  <P>SOLUTION: An insulating layer 23, an inter-layer insulating layer 24 and an outer layer insulating layer 25 are laminated on the upper surface of a resin-made core plate 22 through which vias 21 are formed and the wiring board is provided also with inner wiring patterns 26, vias 27, surface wiring patterns 28, and pads 29. The outer layer insulating layer 25 is made of polymethyl phenyl silane and has a low dielectric constant, a low dielectric tangent and high insulation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004068803-A (JP)
Title: Vane pitch automatic adjusting device of impeller
Inventor: KUJIRA EISHIN
IPC: F03D7/04
Filed: 2002-08-08
Abstract: <P>PROBLEM TO BE SOLVED: To automatically change a pitch angle of a vane for use in the application to an impeller for a windmill and a hydraulic turbine to obtain motive power from an air current and a water current and for use in transportation of fluid by driving the impeller by a motor.  <P>SOLUTION: A hub 04, a wing axis gear 03 and a load side gear 07 are constituted as a kind of planetary device, and the pitch angle of the vane 01 is automatically changed by reacting a spring 06 by a torque difference of the hub 4 and the load side gear 07 by connecting the hub 04 and the load side gear 07 to each other by the spring 06 and rotating the wing axis gear 03. It is possible to constitute it with flexibility even though it is of a simple structure, to manufacture it at low cost as it is simple and to extensively apply it for various purposes.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004108813-A (JP)
Title: Biosensor
Inventor: SHIGA AZUSA
IPC: G01N33/543
Filed: 2002-09-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a measuring method for actualizing high sensitivity by using a film resistance detection method, and its device.  <P>SOLUTION: A material 6 to be measured (marked by a material 8 having crown ethers) is adsorbed on an insulating thin film 3 having high resistance (the inverse number of the resistance is electric conductivity: the same concept). An increase in electric conductivity (a decrease in resistance) of the insulating thin film 3 due to the enclosure or passage of ions in/through cavities of the crown ethers is detected and the material to be measured is measured.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003107180-A (JP)
Title: Fuel assembly for pressurized water reactor
Inventor: SCHMIDT NORBERT
IPC: G21C3/34
Filed: 2002-09-17
Abstract: PROBLEM TO BE SOLVED: To prevent increase of a gap space existing between fuel assemblies incorporated in a nuclear reactor pressure vessel without reinforcing a fuel assembly structure in regard to a fuel assembly for a pressurized water reactor provided with a control rod guide tube 12, a head part 6, a leg part 7 and fuel rods 9 respectively held transversely by a multiplicity of cells 13 of spacers 10 and fixed to an upper core grid 4 and a lower core grid 5 by the head part and the leg part inside the nuclear reactor pressure vessel. SOLUTION: At least one spacer 10 has a first part 15 which lies on a radially outer side with respect to a longitudinal center axis of the fuel assembly and a second part 16 which lies on a radially inner side and is completely surrounded by the first part. The second part is formed of zircaloy and the first part is made of a metallic material with a higher coefficient of thermal expansion and lower growth in the radial direction induced by neutron irradiation when compared to the zircaloy of the second portion.
Patent JP-2003257610-A (JP)
Title: Induction heating apparatus
Inventor: HIROTA MOTONARI
IPC: H05B6/12
Filed: 2002-09-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an induction heating apparatus capable of heating an aluminum pot and reducing pot noise.  <P>SOLUTION: This induction heating apparatus is constituted in such a way that a resonance current flowing in a switching element 55 or a reverse conducting element 56 resonates at a shorter period than a drive period of them when magnetic field generated by a heating coil 59 induces and heats load having high electric conductivity rate and low magnetic permeability, and a direct current voltage is boosted and smoothed by a boosting smoothing means so that the resonance current maintains resonance at an amplitude exceeding a predetermined value in a drive period. When the magnetic field generated by the heating coil 59 heats load of iron system or non-magnetic stainless, a resonance current resonates in a longer period than a conductivity period of the switching element 55 or 57. A resonance capacitor is switched to a larger capacity than that when heating load having high electric conductivity rate and low magnetic permeability to shut off the switching elements 55, 57 at such timing that a current flows in the switching elements 55, 57 in the forward direction when heating load of iron system or non-magnetic stainless by the maximum output.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004108287-A (JP)
Title: Valve gear of internal combustion engine
Inventor: OIKAWA TOSHIHIRO
IPC: F02D13/02
Filed: 2002-09-19
Abstract: <P>PROBLEM TO BE SOLVED: To improve exhaust emission and combustibility in an internal combustion engine allowing EGR gas to be led into a combustion chamber.  <P>SOLUTION: This valve gear of the internal combustion engine comprises exhaust valves 30a and 30b formed of ball valves. An electric motor controlled by a control device changes a lead-in position in the combustion chamber 6 of the EGR gas led into the combustion chamber through the exhaust valves 30a and 30b by controlling rotative directions of the exhaust valves 30a and 30b. When the warmup operation of the internal combustion engine is performed, and the exhaust valves 30a and 30b are opened on the peripheral wall side 11b2 of an exhaust port 11b, EGR gas is led into the combustion chamber 6 from a cylinder hole Ca at a position near the peripheral wall Cb thereof. During the operation after the warmup operation, the exhaust valves 30a and 30b are opened on the center side 11b1 of the exhaust port 11b, and the EGR gas is led into the combustion chamber 6 at a position near a cylinder axis L3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004106922-A (JP)
Title: Transporting and cutting apparatus for continuous striplike charged packaging bags
Inventor: KUMAGAI MASAKI
IPC: B65B61/04
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a transporting and cutting apparatus for continuous striplike charged packaging bags so arranged as to be capable of transporting continuous striplike charged packaging bags in a stable condition and of cutting them at prescribed locations by a cutting mechanism.  <P>SOLUTION: A transporting mechanism 2 is so arranged that transport belts 5, 5, provided in a pair on the right and left are formed with timing belts, and pulleys 6, 6 are formed with timing belt pulleys, while non-slip parts 8 are further provided that are constituted of recesses and protrusions on the surface of the transport belts 5, 5 disposed opposite to each other, thereby the non-slip parts 8 allow the charged packaging bags P to be sent out in a stable condition even if condensation or wetting occurs on the surface of the charged packaging bags P, and that it becomes possible for the cutting mechanism provided at the transport-out side of the transporting mechanism 2 to cut well almost the central position of transversely sealed parts FS as it performs the cutting and separating of the charged packaging bags while the bags are sent out in accordance with the seal pitch intervals of the transversely sealed parts FS of the charged packaging bags P.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004105931-A (JP)
Title: Method and apparatus for treating water by using assembly of corded fiber assembly
Inventor: NAKAYAMA KATSUO
IPC: B01D29/62
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water treatment method by which a filter member is hardly clogged and the water treatment capacity of the filter member can be recovered by easily washing the filter member .  <P>SOLUTION: A water 11 to be filtered is stored in an aeration tank 82. The filter member 40 being an assembly of corded fibers is immersed in the water 11, so that the water 11 is filtered at the position where the water 11 enters gaps among the corded fibers from the whole water-immersed surface of the member 40 by a water level difference. A small group of microbes which do not enter the gaps among the corded fibers are stuck onto the surfaces of the corded fibers in pipe-like forms. The water 11 is made to flow through the gaps among the corded fibers by the pressure gradient formed in the longitudinal direction of the member 40. A filtrate 25 is made to flow from the member 40 and discharged to the outside of the tank 82.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004118274-A (JP)
Title: Display device and display system
Inventor: KIMURA MITSUNARI
IPC: G06F3/0487
Filed: 2002-09-24
Abstract: <P>PROBLEM TO BE SOLVED: To control display of such a minute picture as a pointer picture which is easy to recognize and has superior operability.  <P>SOLUTION: The pointer picture is displayed by superimposing it on a data picture being a basic picture. When a mouse pointer is moved onto the pointer picture and a prescribed click operation is performed, the pointer picture rotates. The pointer picture can be moved on a screen by performing a drag and drop operation. When a plurality of terminals are connected through a network, the individual terminals display the same screen. A user of the prescribed terminal can display, move or rotate the pointer picture allocated to the user's terminal. The pointer picture which is not allocated to the user's terminal is displayed, moved or rotated by a command from the other terminal which is received through the network.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003143929-A (JP)
Title: Thresher with treatment cylinder
Inventor: FUKUYORI KOUN
IPC: A01F12/18
Filed: 2002-09-25
Abstract: PROBLEM TO BE SOLVED: To efficiently treatment second grain and delivered dust by using a front and rear treatment cylindrical chamber. SOLUTION: In this thresher equipped with a threshing chamber 4 and the treatment cylindrical chamber 6 side by side at the upper side of a separation chamber 2, the treatment cylindrical chamber 6 has a front treatment cylindrical chamber 61 and a rear treatment cylindrical chamber 63 . The transportation end side of a second grain return screw 16 is made to communicate with the front treatment cylindrical chamber 61 , delivered dust from a delivered dust opening 7 attached to the rear part of the threshing chamber 4 is supplied to the rear treatment cylindrical chamber 63 . The scale of mesh of the leakage body 131 of the front treatment cylindrical chamber 61 is made smaller than that of the leakage body 133 of the rear treatment cylindrical chamber 63 .
Patent JP-2004119148-A (JP)
Title: Connector device for memory card
Inventor: TANAKA HIROHISA
IPC: H01R13/629
Filed: 2002-09-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector device for a memory card, thereby an accident is prevented when a card is inserted and pulled out, by surely releasing a locking condition of a locking body engaged with a recessed part for locking except for the time when the card is locked.  <P>SOLUTION: A slider 5 moving in a horizontal direction together with the memory card MC as the memory card MC is inserted and pulled out is stored in a connector body 3, and the slider 5 is always energized forward. A heart cam groove part 15 is formed in the leg piece 5c of the slider 5, and one shaft part 16b of a cam pin 16 thereof the other shaft part 16a is held by the connector body 3 is fitted in the heart cam groove part 15. When the card is locked, the shaft part 16 is engaged with the recessed part 15d of the heart cam 15a, and the protruding piece 50 of a locking body 50 protruding into the recessed part 15d is pressed backward by the shaft part 16b. Thereby, the lever piece 50a of the locking body 50 is elastically deformed by this pressing force, and a locking piece 50 provided at the tip of the lever piece 50a is fitted in a recessed part 103 for locking the memory card MC.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004076245-A (JP)
Title: Rubber cord and clothes using the same
Inventor: YAZAWA MASAYUKI
IPC: D03D15/56
Filed: 2002-08-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rubber cord scarcely deteriorated in mechanical characteristics, etc., even when processed in high-temperature steam, and having good durability, and to provide clothes equipped with the rubber cord, endurable to be repeatedly subjected to high-temperature steam sterilization treatment and worn in a clean room, etc.  <P>SOLUTION: This rubber cord is composed of two or more filamentous rubbers and fibers of ordinary extensibility, wherein a material selected from EPM, EPDM, HNBR, IIR, and HSN is used as the filamentous rubber.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003183613-A (JP)
Title: Acrylic pressure-sensitive adhesive having narrow molecular weight distribution
Inventor: HUSEMANN MARC
IPC: C09J7/02
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an acrylic pressure-sensitive adhesive having a narrow molecular weight distribution.  <P>SOLUTION: The acrylic pressure-sensitive adhesive is produced by the radical polymerization of a monomer mixture using a triazonyl compound of general formula (1), concretely the compound of formula (1a) as a reaction starting agent system to obtain a polyacrylate.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004119888-A (JP)
Title: Semiconductor manufacturing apparatus
Inventor: KATO TSUTOMU
IPC: H01L21/205
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the temperature rise of a nitrogen gas circulating through a standby chamber.  <P>SOLUTION: A heat treatment apparatus has a treating chamber 23 for treating a wafer 1, a boat 21 for holding the wafer 1 and carrying it into the treating chamber 23, a standby chamber 16 for so making the boat 21 to wait until carried into the treating chamber 23, a circulating path 31 for circulating a nitrogen gas 30 through the standby chamber 16, a feed pipe 43 for feeding the nitrogen gas 30 to the circulating path 31, and an exhausting pipe 44 for exhausting the nitrogen gas 30 from the circulating path 31. When the boat 21 is carried out from the treating chamber 23, a flow rate of the nitrogen gas 30 is so exhausted from the standby chamber 16 by the exhausting pipe 44 as to feed the nitrogen gas 30 by the flow rate to the standby chamber 16 with the feed pipe 43. Also, while the boat 21 is carried in the treating chamber 23, the nitrogen gas 30 is circulated through the standby chamber 16 via the circulating path 31. Thereby, since a fresh inert gas is brought into the flow-through in the standby chamber when carrying out the treated-off wafer having a high temperature to the standby chamber, the temperature rise of the nitrogen gas is prevented.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004124371-A (JP)
Title: Protective water meter cover for water system
Inventor: TAJIMA RYUICHI
IPC: G01F1/00
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To put a stable cover without need for a fixing member such as a Hook and Loop fastener, of which the whole body is integrally formed by fitting and which can be naturally attached to a meter.  <P>SOLUTION: The protective cover is provided with a bottom coating cover formed of a side covering disc 1a where a bottom covering part 13 covering a meter bottom in which a cover piece is tightly supported on a release and the gap of a release base are inserted and put on the meter bottom, is projectingly formed and a side covering disc 1b in which a fitting recess in which the fitting protrusion of the front end of the bottom coating cover is fitted is formed and further provided with a lid cover 3 fitting in a fitting recess formed at the upper face of the body coating cover 2 put on a meter body from above the upper part and the body coating cover. The meter is fitted and covered by fitting cover pieces to each other.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004125909-A (JP)
Title: Sound absorbing material for preventing automobile noise and manufacturing method therefor
Inventor: KONNO YUKIO
IPC: G10K11/16
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide sound absorbing materials having such a structure that occurrence of a skin layer is suppressed in a manufacturing process of sound absorbing materials or doens't have a great influence upon a sound absorbing effect though occurring and to provide a manufacturing method therefor.  <P>SOLUTION: Projecting and recessed parts 91c, 91d, and 92e are formed in a surface layer part 91f on the side of a noise source 4 of sound absorbing materials 91 for preventing automobile noise.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004129346-A (JP)
Title: Drive circuit for dc motor
Inventor: OE KENJI
IPC: H02P6/08
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To rotate a rotor at low speed even at low temperature.  <P>SOLUTION: This drive circuit for a DC motor has a drive IC14 for controlling the current application to a coil according to the rotational position of the rotor so as to rotate the rotor, and varies the rotational speed of the rotor according to the detected temperature of a temperature sensor (thermistor)22. Further, the circuit is composed of a signal generation means which generates a square wave signal and a triangular wave signal or a charge wave signal, a comparison means (comparator)29 which compares the output voltage of the temperature sensor with the voltage of a charge waveform signal, and a charge control circuit which switches on or switches off the current to be let flow to the coil with both of the square wave signal and the output of the comparison means. The ON-OFF of the current at low temperature at least is performed based on the square wave signal.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003114574-A (JP)
Title: Device for coupling and separating developing device and hopper
Inventor: ASANO TERUMICHI
IPC: G03G15/08
Filed: 2002-10-02
Abstract: PROBLEM TO BE SOLVED: To provide a device for coupling and separating a developing device and a hopper by which the developing device is made to easily get in/out and a main body is made compact. SOLUTION: A developing device side toner carrying path 6 is provided to freely slide in a developing unit 13 so that the connection port 8 of the path 6 may be freely coupled with/separated from the toner dropping hole 4 of a hopper side toner carrying path 2, and has a feeder 7 and a sliding joint 11 connecting the shaft 71 of the feeder to a shaft 10 interlocked with a driving source 9 inside. In the case of coupling the path 2 with the path 6, the connection port 8 of the path 6 is made to slide toward the toner dropping hole 4 of the path 2.
Patent JP-2004122693-A (JP)
Title: Nonwoven fabric
Inventor: HIROTSU TOSHIAKI
IPC: D04H1/4374
Filed: 2002-10-04
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a nonwoven fabric which is given waterproofness by laying a thermoplastic resin on the surface of a raw fabric of the nonwoven fabric without impairing the flexibility of the raw fabric and which can be bent and changed in a shape arbitrarily in conformity with a three-dimensional shape of an article necessitating covering protection and is suited for a packaging sheet, a curing sheet, a floor covering, a tiling cover, a tablewear underlay, a bed sheet, a diaper cover, etc.  <P>SOLUTION: The raw fabric 12 of the nonwoven fabric, a scattering layer of a thermoplastic resin powder 11 and a thermoplastic resin film 13 are laid on each other in this sequence. The thermoplastic resin powder is heat-melted without forming a continuous molten coat and welded to the raw fabric and the film. The thermoplastic resin film is made to adhere partially to the raw fabric with the powder interposed and an unadhered portion 15 in a peeled state wherein no powder is interposed is formed partially between the film and the raw fabric. An adhered portion (11) and the unadhered portion 15 between the film and the raw fabric are dispersed in 1 cm square.  <P>COPYRIGHT: (C)2004,JPO