baber/WOPTO huggingface dataset:
Patent JP-2004223345-A (JP)
Title: Method and apparatus for purifying fluid
Inventor: ITO YASUO
IPC: A61L9/20
Filed: 2003-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fluid purifying method which subjects a fluid to be treated to sterilization/purification treatment uniformly and effectively, is simple in constitution and also easy in maintenance, and a fluid purifying apparatus.  <P>SOLUTION: The fluid purifying apparatus is equipped with a reaction vessel 32 provided on the way of piping 16 through which water 12 to be treated such as bath water flows and a transparent inner cylinder 34 provided inside the reaction vessel 32 so as to be concentric to the peripheral part of the reaction vessel 32 also used as an outer cylinder and having an inlet and an outlet respectively connected to the piping 16. This apparatus is further equipped with a large area material 30 of a photocatalyst provided in the inner cylinder 34 and also used as another electrode forming a pair along with one electrode, an air pump 38 being an oxygen supply means for supplying oxygen to the hermetically closed space between the outer cylinder and inner cylinder 34 of the reaction vessel 32 and a mixer 44 for mixing ozone, which is produced from oxygen passing through the space between the outer cylinder and inner cylinder 34 of the reaction vessel 32 by the discharge between the electrodes, with the fluid on the upstream side of the inner cylinder 34.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004224426-A (JP)
Title: Package of vacuum bearing
Inventor: NAKAMURA SHOHEI
IPC: B65D85/00
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a package of a bearing in which the bearing is prevented from being rusted for a long time when the bearing is hermetically packed and which ensures, in particular, storage of the bearing for a long time when employing a hermetic packing form using a vacuum pack method.  <P>SOLUTION: The package of the vacuum bearing hermetically packs the bearing in a vacuum pack such that synthetic resin films 2 and 3 are overlayed one on the other to prevent the entrance or intrusion of oxygen and moisture. The side of the synthetic resin film 2, which contacts the bearing, is formed from a cleaned face free from adhesion of dust having a particle diameter of 2 μm or more. A desiccating agent or deoxidizer 4 is interposed between the faces of the synthetic resin films superimposed one on the other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004228488-A (JP)
Title: Substrate conveyance method
Inventor: KAI TAKAYUKI
IPC: H01L21/683
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-reliability substrate conveyance method with a short conveyance time of substrates by monitoring only residual absorption and measuring the residual absorption quantity of each substrate.  <P>SOLUTION: The substrate conveyance method includes steps while leading a gas into a vacuum vessel and also of controlling it at a predetermined pressure, and applying electromagnetic waves, so as to generate a plasma in the vacuum vessel for etching or forming a film on the surface of the substrate. When the substrate mounted on an electrode in the vacuum vessel is thrusted by a thrust pin during the substrate transfer in the vacuum, the load of the thrust pin, when a wafer is stopped in the midway where the substrate moves from the lowermost point to the uppermost point, is monitored.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004236374-A (JP)
Title: Method of constituting ac-ac direct conversion type power converter
Inventor: SATO IKUYA
IPC: H02M1/12
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an AC-AC direct conversion type power converter which prevents the breakage of an AC switch, the enlargement of itself, and the cost rise by lessening the wiring inductance as far as possible.  <P>SOLUTION: This AC-AC direct conversion type power converter is equipped with a plurality of AC switches which are connected between a multiphase input terminal and a multiphase output terminal, and a filter which absorbs energy accumulated in the wiring inductance of the device, and directly converts multiphase AC input into multiphase AC output by the ON-OFF action of the above switches. This lessens the wiring inductance by minimizing the area being surrounded by a filter capacitor 21 connected to some input phase (for example, a phase R) and a current path (bus bars 31 and 32) having an AC switch S<SB>RU</SB>connected to the phase R in question and another AC switch S<SB>SU</SB>connected to another input phase (for example, a phase S ) besides being the same (phase U) in output phase as this AC switch S<SB>RU</SB>.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004145843-A (JP)
Title: Device for adjusting polyphase alternating current voltage
Inventor: ITO JUNICHI
IPC: H02M1/00
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To reduce cost and to make a device small by reducing the number of alternating current switches and also reducing loss.  <P>SOLUTION: A polyphase alternating current voltage adjusting device adjusts the magnitude of a polyphase alternating current input voltage on the basis of on/off of a semiconductor switching element. At least a single phase alternating current input terminal S is connected directly to an alternating current output terminal V among alternating current input terminals R, S, and T and alternating current output terminals U, V, and W for the number of phases. Bidirectional alternating current switches S<SB>1</SB>and S<SB>2</SB>are connected between the other respective alternating current input terminals R and T and the other respective alternating current output terminals U and W, respectively. The device is provided with a short-circuiting means 10 for collectively performing short circuit between respective phases by a single switching element 11.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004235278-A (JP)
Title: Thermoelectric material and its manufacturing method
Inventor: HORIO YUUMA
IPC: H01L35/34
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide thermoelectric material having low thermal conductivity (κ) and high thermoelectric figure of merit (Z), and to provide its manufacturing method.  <P>SOLUTION: Raw material whose composition consists of at least one kind of elements selected from a group constituted of Bi and Sb, at least one kind of elements selected from a group constituted of Te and Se, and at least one kind of elements selected from a group constituted of Ge, Si, Sn, Ga and Pb is dissolved and solidified and ingot is obtained. The ingot is made into thin strips or in the form of foil powder profile with melt quenching method. Further, the thin strips or the foil type powder is heat-treated in a reducing gas atmosphere or inert gas atmosphere. After that, the thin strips or foil type powder are caked, and the thermoelectric material is obtained.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004231771-A (JP)
Title: Diallyl phthalate resin molding material
Inventor: KAWAMURA SATORU
IPC: C08J5/04
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a diallyl phthalate resin molding material which is improved in heat resistance, is excellent in moldability, and retains the excellent electrical and mechanical characteristics of diallyl phthalate resin molding materials.  <P>SOLUTION: The diallyl phthalate resin molding material essentially contains a diallyl phthalate resin, a diallyl phthalate monomer, and an inorganic base material, wherein the diallyl phthalate monomer is of the meta-type or of the para-type. The molding material as a whole preferably contains 20-50 wt.% of the diallyl phthalate resin and 0.5-5 wt.% of the diallyl phthalate monomer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003336559-A (JP)
Title: Diesel filter
Inventor: SAWADA KAZUTO
IPC: F02M37/32
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a diesel filter capable of preventing the malfunction of a level switch so as to prevent a trouble when an engine is stopped by composing it in such a way that fuel supplied through a fuel passage provided at the center of a filtration member does not directly impinge on the level switch, or that fuel impinging on the level switch is reduced.  <P>SOLUTION: This diesel filter is provided with a case forming a shell, the filtration member contained in the case, and having the fuel passage roughly at a center part, and an element around the fuel passage, a lower space formed under the filtration member, and the level switch disposed in the lower space. Fuel flowing into the lower space from the fuel passage does not directly impinge on the level switch, or fuel impinging on the level switch is reduced.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004229987-A (JP)
Title: Installation tool for front end cap of endoscope insertion part
Inventor: HINO KAZUHIKO
IPC: A61B1/00
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an installation tool for a front end cap of an endoscope insertion part allowing the front end cap to be surely installed at a tip part body.  <P>SOLUTION: This installation tool 40 has a tool body 42 formed into a ring shape and a through-hole 42A formed in its central part. When the front end cap 14 covering over the front end part body 12 is inserted into the through-hole 42A, an engagement projection 14C of the front end cap 14 is engaged into a groove 12C of the front end part body 12 to be inserted into the through-hole 42A.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004233926-A (JP)
Title: Housing structure of lens barrel
Inventor: NOMURA HIROSHI
IPC: G02B7/10
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a housing structure of a lens barrel which can be deeply collapsed at housing without requiring to always keep the space for adjusting the position of a lens.  <P>SOLUTION: The housing structure is equipped with: an outer barrel which moves forward and backward straight in the optical axis direction; an adjustment ring supported in the outer barrel and capable of straight moving in the optical axis direction with the backward movement end limited; a lens frame configured to support a group of adjustment lenses and screwed in the inner face of the adjustment ring; a stop ring fixed to the outer barrel and preventing the adjustment ring from coming off forward from the barrel; and a spring means inserted between the stop ring and the adjustment ring and configured to move and energize the adjustment ring in the backward movement end direction with respect to the outer barrel.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003336594-A (JP)
Title: Groove vacuum pump
Inventor: ISSHIKI NAOJI
IPC: F04D29/38
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To improve the exhaust efficiency of a groove vacuum pump part of a groove vacuum pump or a compound molecule pump while maintaining a circumferential space between a rotor and a stator to the same degree as conventional.  <P>SOLUTION: In this groove vacuum pump having a groove 2 for the vacuum pump on one of the rotor 4 and the stator 1, a circumferential direction sectional shape of the groove 2 is formed so that the depth of a thread 3' in correspondence with a leading side 3b is deeper than the depth of a thread 3 in correspondence with a trailing side 3a.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004241698-A (JP)
Title: Nonvolatile semiconductor memory device and its manufacturing method
Inventor: KOBAYASHI MASAHIRO
IPC: H01L29/792
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide the nonvolatile semiconductor memory device of a laminated gate insulating film structure which can surely protect an oxide aluminum trap insulating film.  <P>SOLUTION: The nonvolatile semiconductor memory device has a semiconductor substrate, a laminated gate insulating film formed on the semiconductor substrate, a gate electrode formed on the laminated gate insulating film, and a pair of impurity diffusion regions formed in a position holding the gate electrode therebetween in a semiconductor substrate surface. The laminated gate insulating film has the four-layer structure of a tunnel insulating film, an oxide aluminum trap insulating film, a top insulating film, and a cover insulating film protecting the oxide aluminum trap insulating film and the top insulating film in order from the semiconductor substrate side.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004240351-A (JP)
Title: Image scanner
Inventor: OKADA NAOHIRO
IPC: H04N1/00
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image scanner constituted so that a book original can be copied while pushing the book through a platen cover, and also, while pushing the book by hand without being affected by the original cover, in the case of book-scanning and copying the book original.  <P>SOLUTION: The platen cover 21 is hinge-connected to the apparatus body 1 by a hinge mechanism 25 so that it can be opened/closed. A cam-like body 30 is arranged on the apparatus body 1 so that it becomes retractable from the upper part. The cam-like body 30 is formed to an elliptical shape, and freely rotatably supported by a support shaft 31. Besides, the cam-like body 30 is provided with four pawls 32, and a checking member 35 to be engaged with the pawl 32 is arranged in the frame 7 of the apparatus body 1. The checking member 35 is provided with elasticity of energizing itself toward the cam-like body 30. With the engagement of the pawl 32 and the checking member 35, the open angle of the original cover 21 is adjusted by four stages.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004239422-A (JP)
Title: Selector valve and water purifier using the same
Inventor: OKANO MASAAKI
IPC: B01D35/04
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a selector valve having less sliding resistance and wear and allowing stable operation and a water purifier using the selector valve.  <P>SOLUTION: In the selector valve in which rotating shafts 21 and valve elements 9 of the same quantity are disposed, since each valve element 9 is moved by a rotating shaft 21 specific to the valve element 9, the operation of the other valve elements 9 is not affected even if any one of the valve elements becomes hard to be moved by sticking or wear. Accordingly, since the use life thereof becomes long as a whole, and the number of water sealing materials for the rotating shaft 21 is one, the selector valve can have such excellent advantages that a frictional resistance in each operation can be reduced, operation can be performed with light force, and durability can be increased. Also, the water purifier using the selector valve is particularly suitable as a faucet direct-connected water purifier.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004245090-A (JP)
Title: Intake noise reducing device
Inventor: YAMADA KOJI
IPC: F02M35/12
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To suppress increase of weight, cost, and power consumption of an intake noise reducing device.  <P>SOLUTION: The intake noise reducing device has an air vibration generating mechanism 12 for generating air vibration in an intake passage 7 included in an internal combustion engine 1 due to variation of supplied atmosphere. The intake noise of the internal combustion engine 1 is reduced by supplying varying atmosphere to the air vibration generating mechanism 12 in response to an operation state of the internal combustion engine 1 to generate air vibration in the intake passage 7.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004244051-A (JP)
Title: Disposable lid
Inventor: SAITO TAKUSHI
IPC: B65D51/16
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a disposable lid having a small-sized tap through which drinking can be repeatedly and dividedly performed without spilling and a small-sized lid for hermetically sealing the tap, wherein the small-sized lid is connected thereto so as not to be lost, being lightweight and small-sized, thereby generating no envoronmental pollution, and capable of molding by one process and manufacturing at a low cost.  <P>SOLUTION: A lid clamping part 10 which can be fitted and hermetically sealed on the upper edge 61 of a container 60, a projecting part 20 which is projected from the lid clamping part 10 and can be brought into contact with a mouth, a fan-shaped tap part 30 put out in small quantities formed at the first recessed position 21 of the projecting part 20, a steam venting inclined part 40 formed at the second recessed position 22 of the projecting part 20, and a small lid part 50 which is continuously provided from the lid clamping part 10 through a freely curved angular fold 51 and a joint 52 and is for hermetically sealing the tap part 31 put out in small quantities, are provided.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247987-A (JP)
Title: Image processor and program
Inventor: NONAKA SHUNICHIRO
IPC: H04N19/102
Filed: 2003-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently process compressed moving picture data to obtain processed compressed moving picture data by correcting the quality of moving pictures.  <P>SOLUTION: A moving picture processor 70 in the relay server 100 of a portable telephone system A has a separator 72 for separating compressed moving picture data G attached to an electronic mail into data G0 of portions to be corrected and data G1 of portions not to be corrected. A decoder 74 decodes the data G0 of the portions to be corrected to obtain decoded data G01. A corrector 76 corrects the image quality of the decoded data G01 to obtain corrected decoded data G02. An encoder 80 encodes the corrected decoded data G02 to obtain corrected encoded data G03. A composer 82 composes the corrected encoded data G03 with the data G1 of the not corrected portions to obtain corrected moving pictures G'.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004246798-A (JP)
Title: Traffic lane detection device
Inventor: TAKEDA SEIJI
IPC: G01C15/00
Filed: 2003-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a traffic lane detection device capable of accurately detecting a lane partitioning line on a road surface even when sunlight intensity varies by weather on the road surface having a different reflectance.  <P>SOLUTION: An image of the road surface in front of or in the rear of a vehicle is picked up and imaged by an image acquisition part 11, and the image is stored in an image memory 13. A processor 14 sets a plurality of windows to the image stored in the image memory 13, calculates the reflectance of the image-picked-up road surface from the image of a portion specified by the window on the basis of an illuminance of sunlight measured by an illuminometer 15, a position of the own vehicle detected by a vehicle position detection part 16, and a position of the sun to the own vehicle estimated by a sun direction estimation part 17, and sets a threshold value to the image by the reflectance. The processor 14 extracts candidate points of the lane partitioning line from the image of the portion specified by the window by use of the set threshold value, and calculates a candidate line of the lane partitioning line by the candidate points to detect the lane partitioning line.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004243286-A (JP)
Title: Treatment system for organic waste and method for utilizing the same
Inventor: TAKARAYAMA NOBORU
IPC: B09B3/00
Filed: 2003-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a treatment system for an organic waste which suppresses the production of tar and can perform continuous operation.  <P>SOLUTION: In the treatment system for the organic waste, where cellulose cracked gas 10 is produced by carbonizing/pyrolyzing the organic waste in a pyrolysis region 16 for celluloses in a reducing atmosphere and the gas 10 is reformed to reformed gas containing hydrogen and carbon monoxide by a gasification furnace 4, the crosslinking reaction of cellulose and lignin is suppressed by adding an acidic liquid 7 to the region 16.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004248813-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2003-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine capable of making a player have expectations by changing the flow of balls in the process that the balls rolling on a ball rolling part flow into an unspecified area and making a part of the balls able to flow into a specified area.  <P>SOLUTION: The game machine is provided with a winning device 31 having the ball rolling part 51 for receiving and rolling the balls B flowing in from a winning port 34 and a first flow-in port 60 and a second flow-in port 62 into which the balls B rolling on the ball rolling part 51 can flow respectively. While the first flow-in port 60 is communicating with the specified area 65 to be a game state advantageous to the player, the second flow-in port 62 is communicating with the unspecified area 81.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004249817-A (JP)
Title: Electronic control device and control system having a plurality of electronic control devices
Inventor: BAN YOSHINORI
IPC: B60W10/06
Filed: 2003-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To transmit respective communication frames without delay by coordinating the transmission treatment of the communication frame prepared by an own electronic control device and the gateway treatment of the communication frames prepared by the other electronic control devices.  <P>SOLUTION: When the ENG frame prepared by an ENG transmission/receiving part 20 and the ECT frame subjected to the gateway at an ECT gateway treatment part are simultaneously transmitted, a transmission coordinate part 31 alternately transmits the ENG frames and ECT frames. Accordingly, the transmission of both frames can be started at the earliest timing as compared with cases in which the transmission of one frame is preferentially treated.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004253631-A (JP)
Title: Deposition pattern restoration device, deposition pattern restoration method, and manufacturing method of electro-optical device
Inventor: YOKOGAWA MAGOYUKI
IPC: H01L29/786
Filed: 2003-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To surely restore a defective part by preventing the sticking of dust.  <P>SOLUTION: A deposition pattern restoration device is provided with a removal means 107 for irradiating the deposition pattern of a top layer among the respective deposition patterns formed in layers on a substrate 83 with ion beams and removing at least a part of the deposition pattern of the top layer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004256338-A (JP)
Title: Method of manufacturing chlorosilane
Inventor: MATSUNAGA SHOZO
IPC: C01B33/107
Filed: 2003-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing high purity chlorosilanes with high yield without causing the plugging of a pipeline by efficiently removing the fine powder of metal silicon or aluminum chloride.  <P>SOLUTION: In the method of recovering chlorosilanes by reacting metal silicon 2 and hydrogen chloride or metal silicon and silicon tetrachloride with hydrogen, cooling and distilling a crude mixed liquid of resultant chlorosilanes in a distillation column 7, an impurity concentrated liquid 11 containing concentrated impurities (fine powder or aluminum chloride) is drawn from the distillation column and chlorosilanes remaining in the concentrated liquid is recovered by heating the concentrated liquid in a re-concentration apparatus 12. In the drawing of the concentrated impurity from the re-concentration apparatus, the drawing quantity of the impurity concentrated liquid from the distillation column is controlled to 1-20 kg per 1 kg metal silicon to be reacted and the drawing quantity of concentrated impurity from the re-concentration apparatus is controlled to 0.05-0.45 kg per 1 kg metal silicon to be reacted.  <P>COPYRIGHT: (C)2004,JPO&NCIPI