baber/WOPTO huggingface dataset:
Patent JP-2003299194-A (JP)
Title: Speaker for super-high frequency range reproduction
Inventor: TANAKA SHOJI
IPC: H04R7/12
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a speaker for super-high frequency range reproduction which is capable of outputting the super-high frequency range up to 100 kHz with a stable sound pressure.  <P>SOLUTION: The speaker for super-high frequency range reproduction has a substantially disk-like piezoelectric ceramic oscillator which is formed by joining a piezoelectric ceramic to a metal substrate, a dome-shaped diaphragm fitted to the oscillator, and a panel which fixes an outer circumferential portion of the oscillator and has an aperture in a front side of the diaphragm. The diameter of a dome portion of the diaphragm is set to 0.5-0.8 times the effective movable diameter of the oscillator.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004233497-A (JP)
Title: Optical switch and method of manufacturing the same
Inventor: FUJITA ATSUSHI
IPC: G02B6/12
Filed: 2003-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical switch in which an opening/closing action is easily performed, a low voltage is applied and a power consumption is reduced, and which is easily manufactured.  <P>SOLUTION: The optical switch, which includes a notch formed on one face of an optical waveguide film in which an optical waveguide is formed and is provided with an opening/closing mechanism part which opens and closes the optical waveguide path by switching between the state in which the optical waveguide film is bent and deformed to lift the notch and the state in which the bent deformation is eliminated, is provided with a substrate which is joined to one face of the optical waveguide film except the peripheral part of the notch so that a space is so formed between the peripheral part of the notch and the film that the peripheral part of the notch is deformable, and the optical waveguide film is bent and deformed with an electrostatic force acting between an optical waveguide film electrode formed at the peripheral part of the notch and a substrate electrode which is opposite to the waveguide film electrode via the space.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004235463-A (JP)
Title: Method of evaluating soi wafer
Inventor: OTSUKI TAKESHI
IPC: H01L27/12
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of evaluating an SOI wafer, which does not cause alkaline metal contamination or electrostatic breakdown on the buried oxide film of the SOI wafer, and can evaluate insulation characteristics of the oxide film simply and reliably.  <P>SOLUTION: The method of evaluating the SOI wafer evaluates the insulation characteristics of the buried oxide film of the SOI wafer which includes a silicon active layer, the buried oxide film and a support substrate. This method comprises the steps of forming a mask on the silicon active layer of the SOI wafer, forming an opening part by removing a part of the mask, forming a low-resistivity silicon active layer by reducing the resistivity of the silicon active layer by doping impurities into the silicon active layer from the opening part, utterly removing the mask formed on the silicon active layer, and evaluating the insulation characteristics of the buried oxide film by bringing an Hg probe into contact with the low-resistivity silicon active layer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004239715-A (JP)
Title: Measuring unit
Inventor: NAYA MASAYUKI
IPC: G01N21/27
Filed: 2003-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To analyze more samples in parallel in a measuring unit, such as a surface plasmon resonance measuring unit, where a sensing substance combined with a specific substance in the samples is fixed on a thin-film layer.  <P>SOLUTION: The measuring unit comprises a dielectric block 10, the thin-film layer 12 that is formed on one surface and is brought into contact with the samples 30, the sensing substance 11 formed on it, a light source 4 for generating light beams 3, an incident optical system 15 for applying the light beams 3 to the dielectric block 10 so that the light beams 3 can be totally reflected at an interface 10a between the dielectric block 10 and the thin-film layer 12, and a two-dimensional light detection means 20 for detecting the intensity of the totally reflected light beams 3. Then, in the measuring unit, a size in a direction in parallel with the incident surface of the light beams 3 to the thin-film layer 12 is set to be equal to or more than the mutual operation length between the thin-film layer 12 and the light beams 3, and size in a direction for orthogonally crossing the incident surface is set to be smaller than the mutual operation length in the thin-film layer 12 and/or the sensing substance 11. The plurality of thin-film layers 12 and/or sensing substances 11 are aligned in a direction in parallel with and in a direction for orthogonally crossing the incident surface.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004242461-A (JP)
Title: Rotor of variable magnetic flux magnet
Inventor: FUKATSU YOSHIAKI
IPC: H02K1/22
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotor of variable magnetic flux magnet type, excellent in reliability and simpler and more compact than a conventional one.  <P>SOLUTION: Fixed rotors 3 and 4 of magnet type fixed to a rotating shaft 2 are provided with a relative rotation mechanism relatively rotating a movable rotor 5 by centrifugal force which is the magnet type rotor engaged rotatably with the rotating shaft 2. The relative rotation mechanism comprises a guide groove having a spiral groove, and a guide member that moves in it under a centrifugal force. The guide member is energized inward in radial direction by a spring. Thus, the relative angle between the fixed rotors 3 and 4 and the movable rotor 5 is changed according to changes in rotational speed during electric operation, so that a synthesized magnetic flux amount is changed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238064-A (JP)
Title: Inside stopper for bottle and production method for the inside stopper
Inventor: YAMAMOTO TOSHIO
IPC: B65D39/04
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inside stopper for a bottle which does not rust even when it is used for a long time or even if it is handled roughly and which eliminates the need to separate it into a metal and a resin.  <P>SOLUTION: The synthetic resin stopper 1 is caulked with a synthetic resin upper lid 2. Caulking with the upper lid 2 is conducted with ultrasonic waves. Further, in the synthetic resin stopper 1 that is caulked with the synthetic resin upper lid 2, caulking with the upper lid 2 is conducted with ultrasonic waves after heating. The stopper 1 and the upper lid 2 are made of the same material and their melting points are close to each other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003240430-A (JP)
Title: Low temperature air rectifying method
Inventor: CORDUAN HORST
IPC: F25J3/04
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method which is excellent in saving energy and operation technique when separating air at a low temperature by a rectifying unit provided with a main condenser having a plurality of falling film evaporators, and avoids accumulation of low volatile substances within the falling film evaporators.  <P>SOLUTION: In this method, the rectifying unit provided with a condenser/ evaporator having a pressure column 1, a low pressure column 2 and at least two falling film evaporators 203 and 204 is used. Liquid oxygen from the low pressure column 2 is introduced into an evaporation flow passage of each of the falling film evaporators 203 and 204 and is partially evaporated. Unevaporated liquid oxygen from the one falling film evaporator 203 is introduced into the evaporation flow passage of the other falling film evaporator 204.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004243260-A (JP)
Title: Method and apparatus for manufacturing ozone-containing ultrapure water
Inventor: TOMINAGA SHIGERU
IPC: B01D19/00
Filed: 2003-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing ultrapure water which can increase a dissolution efficiency of ozone gas in the ultrapure water to a dissolution efficiency of ozone gas in city water or pure water to downsize an ozone generator, and an apparatus therefor.  <P>SOLUTION: After removing nitrogen from nitrogen-containing ultrapure water, the ozone gas is introduced into the ultrapure water, which increases the dissolution efficiency of the ozone gas.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251123-A (JP)
Title: Exhaust emission control device for internal combustion engine
Inventor: KATO NAOTO
IPC: F02D45/00
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To perform feedback control of an air-fuel ratio at least based on a time integral value calculated from deviation of a catalyst upstream air-fuel ratio sensor output value from a target value, so as not to unnecessarily and excessively correct the air-fuel ratio.  <P>SOLUTION: An exhaust emission control device calculates feedback controlled variables DFi for correcting a corrected reference fuel injection amount Fbase to perform the air-fuel ratio feedback control, based on an expression DFi=Gp×DFc+Gi×(OSAall-(Cmaxall/2)). Deviation DFc of a fuel supply amount in a cylinder is controlled to become zero by a proportional Gp×DFc, balance of deviation of an air-fuel ratio abyfs that flows into a first catalyst 53 from a stoichiometric air-fuel ratio is controlled to become zero and an oxygen occlusion amount OSAall of the first catalyst 53 is controlled to become a target oxygen occlusion amount (half of maximum oxygen occlusion amount Cmaxall), by an integral term Gi×(OSAall-(Cmaxall/2))limited within a predetermined range value.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004216084-A (JP)
Title: Wash basin with water softener
Inventor: MATSUOKA TAKASHI
IPC: A47K1/00
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To offer a wash basin with a water softener which has a function to soften water by an ion-exchange resin.  <P>SOLUTION: In the wash basin with the water softener, an ion-exchange resin lamina is prepared in the underlayer of a bucket-like container comprising vertical two layers, a wash basin section is prepared in the upper layer, tap water is introduced from a tap water inlet prepared on the side of the bucket-like container and is led to the ion-exchange resin lamina in the underlayer, water is softened, and soft water fitted to washing one's face is filled in the wash basin section in the upper layer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004252189-A (JP)
Title: Lithographic printing original plate
Inventor: NAKAMURA IPPEI
IPC: G03F7/00
Filed: 2003-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lithographic printing original plate for direct platemaking, the plate having high sensitivity during forming an image, giving high allowance against changes in the concentration of an alkali developing solution, and having sufficient plate wear and chemical resistance.  <P>SOLUTION: The lithographic printing original plate is capable of forming an image by irradiation of IR laser. The plate has a first layer containing an alkali-soluble resin as the main component and a second layer containing another alkali-soluble resin different from the alkali-soluble resin included as the main component in the first layer and a polymethine dye having an iminium salt group as a substituent on the polymethine chain, layered in this order on a supporting body.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004250620-A (JP)
Title: Liquid crystalline aromatic polyester for insulating material and resin composition thereof
Inventor: YAMAGUCHI TAKANARI
IPC: H01B17/56
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystalline aromatic polyester for insulating materials in which dielectric loss tangent in a high-frequency range is small and a resin composition for insulating materials containing the aromatic polyester.  <P>SOLUTION: The liquid crystalline aromatic polyester for insulating materials comprises either one composition of (1) a composition, composed of (a) a structural unit derived from p-hydroxybenzoic acid and (b) a structural unit derived from m-hydroxybenzoic acid, in which the content of the component (a) is 30-90 mol%, (2) a composition, composed of the component (a) and (c) a structural unit derived from one or more kinds of hydroxynaphthoic acids, in which the content of the component (a) is 5-65 mol% and (3) a composition, composed of the components (a), (b) and (c), in which the content of the component (a) is 30-90 mol%.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251593-A (JP)
Title: Heat storage type hot-water supply apparatus
Inventor: ASHIZUKA RYOSUKE
IPC: F24H1/00
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simple and inexpensive heat storage type hot-water supply apparatus.  <P>SOLUTION: This hot water supply apparatus includes: a storage tank 1 storing heat storage fluid X; a heating means 2 for heating the heat storage fluid X in the storage tank 1; and hot water supply piping 3 for circulating the water for hot water supply. In the hot water supply piping 3, the bottom in the storage tank 1 is connected to a water supply pipe 6, and the upper part in the storage tank 1 is connected to a hot water pipe 7, and heat exchange parts 30, 31, 32 for performing heat exchange with the heat storage fluid X are disposed in stratum in the vertical direction in the storage tank 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004256579-A (JP)
Title: Cellulose material
Inventor: OGIYA HIROSHI
IPC: C08J7/04
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new cellulose material which, even when it contains a large amount of impurities, has an easily controllable biogradability and can be used in the natural environment without seriously affecting the environment.  <P>SOLUTION: A cellulose material with a controlled biodegradation rate is obtained by mixing a cellulose material with a water-soluble polymer harmless to living organisms in the environment to coat the former with the latter.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004260481-A (JP)
Title: Communication apparatus
Inventor: HARADA HIROSHI
IPC: H04B1/3822
Filed: 2003-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a communication apparatus capable of flexibly coping with and processing a plurality of communication signals in different modes.  <P>SOLUTION: A signal processing circuit 6 is configured such that common parts of exclusive modulation circuits in each communication mode are integrated in one modulation circuit 61, the common parts of exclusive demodulation circuits in respective communication modes are integrated into a single demodulation circuit 62, parts different depending on the communication modes are individually provided, and the different parts can be selected only by setting parameter information corresponding to the communication mode. When a desired communication mode is implemented, a control circuit sets the parameter information corresponding to the communication mode to the signal processing circuit 6 to implement the processing of the optional communication mode.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004255295-A (JP)
Title: Vacuum washing method
Inventor: KOMATSU YASUHIRO
IPC: C23G5/00
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To evade the performance deterioration or failure of a vacuum pump by preventing air bubbles of a washing liquid from reaching an evacuation line.  <P>SOLUTION: In the subject vacuum washing method for washing a material 20 to be washed which is dipped in the washing liquid 12 in a washing vessel 10 by repeating a vacuum operation for evacuating the washing vessel 10 to a set vacuum degree and, after the vacuum operation, an opening operation for introducing the air into the washing vessel 10, when foam is detected during the vacuum operation by a foam detector 38 provided in the washing vessel 10, the evacuation line is immediately stopped by a controller 46 to open an air suction valve 36 and to introduce the air in the washing vessel 10. After that, the method is returned to the vacuum operation.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004256451-A (JP)
Title: Pyrimidine-based compound, composition containing the same, and organic electroluminescent device
Inventor: ITO KIYOSHI
IPC: H01L51/50
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an organic fluorescent material or charge transporting material reduced in crystallinity and sublimableness and improved in solubility to solvent and capable of film formation such as for EL device light-emitting layer by wet system rather than dry system.  <P>SOLUTION: A pyrimidine-based compound of general formula(1) is provided. A composition containing the compound and an organic electroluminescent device made using the compound are also provided respectively.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004262786-A (JP)
Title: Method for preparing organic compound using iridium compound catalyst and the like
Inventor: ISHII YASUTAKA
IPC: C07C45/68
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To simply prepare a carbonyl compound having an extended carbon chain by the α-alkylation of a carbonyl compound with the use of an alcohol or an alcohol of its reduced form under mild conditions.  <P>SOLUTION: A carbonyl compound represented by formula (1) (wherein R<SP>1</SP>, R<SP>2</SP>, and Y are each hydrogen, an organic group or the like) is reacted with an alcohol represented by formula (2) (wherein R<SP>3</SP>and R<SP>4</SP>are each hydrogen, an organic group or the like) in the presence of a compound of a group 9 element in the periodic table and a base to form the carbonyl compound having an extended carbon chain represented by formula (3a) and/or formula (3b) (wherein R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP>, R<SP>4</SP>, and Y are the same as defined above) or the alcohol of its reduced form.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004266655-A (JP)
Title: Image forming apparatus
Inventor: NAKAYAMA YOKO
IPC: H04N1/04
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of further applying correction after elimination in the image forming apparatus equipped with a gummed-side printing eliminating function.  <P>SOLUTION: The image forming device is equipped with a gummed-side printing eliminating part 3 for obtaining a gummed-side printing eliminated image data resulting from applying read gummed-side printing elimination processing to one side of an original with respect to the double-side printed original, a display editor 11 having an operation display part 5 for displaying an image after gummed-side printing elimination processing and a console panel 6 for inputting setting of correction processing to a gummed-side printing eliminated image displayed on the operation display part 5, and a correction part 7 for applying correction processing to the gummed-side printing eliminated image data in accordance with contents of correction processing inputted from the console panel 6.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003336588-A (JP)
Title: Compressor
Inventor: KITAMURA TAKEO
IPC: F04B39/16
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compressor at a low cost by eliminating a separating pipe conventionally arranged in a centrifugal separation type oil separating chamber.  <P>SOLUTION: The layout around the oil separating chamber is adjusted, and thereby the separating pipe is eliminated. Thus, only fluid introduced into the separating chamber exists in the separating chamber.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004270311-A (JP)
Title: Drainage structure in side ditch, and grating
Inventor: SUGIMURA KAZUYOSHI
IPC: E03F5/04
Filed: 2003-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To easily and positively fit and fix a grating into a recessed groove formed on the surface of a side ditch.  <P>SOLUTION: This drainage structure in the side ditch is formed of a combination of a side ditch block 1 with a waterway 2 passing through an inner bottom and with a recessed groove 3 formed on the upper surface to fit the grating and further with slits 4 intermittently cut between the waterway 2 and the recessed groove 3, and the grating 6 rotatably fitted with U-shaped hooks 7. The grating 6 is fixed to the recessed groove 3 by locking the tip 7b of the hook 7 to a portion 5 not formed with the slit 4, of the side ditch block 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004268218-A (JP)
Title: Two-dimensional pick and place device
Inventor: YAMAMOTO TAKEHISA
IPC: B25J9/00
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a two-dimensional pick and place device for finely adjusting a position by accurately positioning the workpiece delivery position.  <P>SOLUTION: This two-dimensional pick and place device is provided with first and second positioning pins 41 and 42 arranged in response to first and second positions for moving a holding part 21 for holding a workpiece W, and is characterized in that an arm 20 is provided with a set of rollers 23 for contacting with a pair of side surfaces of the positioning pins 41 and 42; the first and second positioning pins 41 and 42 are respectively rotatably arranged around a first installation shaft eccentric to the axis of the respective pins 41 and 42; and the set of rollers 23 are respectively rotatably arranged around a second installation shaft eccentric to the axis of of the respective rollers 23.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004267160-A (JP)
Title: Dairy product, and production method for the same and application of the same
Inventor: FUNEMI TAKAHIRO
IPC: A23C9/152
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide dairy products excellent in palate feeling represented by richness feeling/melting feeling in the mouth and/or stability such as shape retention and water retainability, to provide a method for producing the dairy products, and to provide a food additive composition useful for preparing the dairy products.  <P>SOLUTION: This food additive composition for the dairy product is obtained by formulating with the dairy product two components of (a) native type gellant gum and (b) modified starch. The modified starch comprises preferably at least one kind selected from the group consisting of hydroxypropylating phosphate crosslinked starch derived from waxy corn, hydroxypropylating phosphate crosslinked starch derived from tapioca, hydroxypropylating starch derived from waxy corn and having water fluidity of 10-40 and hydroxypropylating starch derived from tapioca and having water fluidity of 10-40.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004272126-A (JP)
Title: Image forming device
Inventor: TANAKA SHINYA
IPC: G02B26/12
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a beam scanning type image forming device in which a shading correction function is simply realized with a low cost composition.  <P>SOLUTION: The beam scanning type image forming device having a light source means 1 which generates a laser beam, a deflection means 8 which deflects and scans the laser beam emitted from the light source means 1, and scanning and focusing optical means 11, 12 and 13 which focus the laser beam emitted from the deflection means 8 on a plane to be scanned 15 and scan the plane with the laser beam. A correction means of the shading characteristic which is a laser intensity dislocation in a laser beam scanning width on the scanning and focusing optical means 11, 12 and 13 is composed of a pulse width modulation means 17 which generates a pulse corresponding to the quantity of the laser beam and a low-pass filter 18 which smoothes the output from the pulse width modulation means.  <P>COPYRIGHT: (C)2004,JPO&NCIPI