Patents Assigned to Ministry of International Trade and Industry
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Patent number: 6493956Abstract: A CMM calibrating gauge includes a block gauge which has a first end face and an opposite second end face and whose length absolute value has been certified, and a sphere fixed to a front surface of the block gauge.Type: GrantFiled: December 16, 1999Date of Patent: December 17, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventor: Jiro Matsuda
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Patent number: 6461737Abstract: An epitaxial compound structure has a crystal structure including fluorite crystal on which is epitaxially grown a film of simple perovskite crystal with a (011) orientation.Type: GrantFiled: December 13, 2000Date of Patent: October 8, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Shinji Migita, Shigeki Sakai
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Patent number: 6452090Abstract: A photovoltaic device includes a semiconductor substrate, an n-type diffusion layer region and a p-type diffusion layer region formed adjacent to each other on the light-receiving surface of the semiconductor substrate, a first electrode electrically connected to the n-type diffusion layer region, a second electrode electrically connected to the p-type diffusion layer region, an adhesive layer formed on the opposite surface of the semiconductor substrate and containing an inorganic binder and a filler, and a supporting substrate adhered to the adhesive layer.Type: GrantFiled: December 29, 2000Date of Patent: September 17, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Hidetaka Takato, Ryuichi Shimokawa
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Patent number: 6444620Abstract: A high-temperature superconductor having low superconducting anisotropy includes a two-dimensional layered structure of crystal unit cells each consisting of a pair of superconducting layer and charge reservoir layer. At least a portion of the atoms of the charge reservoir layer are replaced by atoms giving superconductivity, rendering the charge reservoir layer superconducting and lowering the superconducting anisotropy by increasing the coherence length in the thickness direction.Type: GrantFiled: February 27, 1998Date of Patent: September 3, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventor: Hideo Ihara
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Patent number: 6441217Abstract: A ferulic acid derivative represented by the general formula: wherein R denotes a polyethylene glycol group, a crown ether group, or a azacrown ether group.Type: GrantFiled: December 29, 2000Date of Patent: August 27, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Takushi Sugino, Yo Shimizu, Hirosato Monobe
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Patent number: 6430957Abstract: A thermal transportation method utilizes polyvinyl alcohol which is added to a liquid, and the liquid is cooled to form an ice slurry that is pumped through a pipe to effect the thermal transportation.Type: GrantFiled: March 29, 2000Date of Patent: August 13, 2002Assignee: Agency of Industrial Science & Technology Ministry of International Trade & IndustryInventors: Takaaki Inada, Akira Yabe, Svein Grandum, Shu-Shen Lu
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Patent number: 6430473Abstract: A power assist apparatus includes an autonomously mobile base on which a manipulator for holding a load is mounted. The movement of the mobile base is controlled such that when the manipulator tip is within a prescribed operating region relative to the mobile base, the mobile base is maintained stationary, but when the manipulator tip moves outside the operating region, the mobile base is moved to decrease the distance between the mobile base and the manipulator tip. The power assist apparatus assists with the carrying of loads by amplifying an operational force applied to the manipulator.Type: GrantFiled: October 13, 2000Date of Patent: August 6, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Hyoung-Ki Lee, Hirohiko Arai, Kazuo Tanie
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Patent number: 6413447Abstract: A substituted tetraphenylporphyrin silicon complex is represented by the general formula (I): wherein R1, R2, R3, R4, and R5 independently denote a hydrogen atom, an alkyl group, an alkoxy group, or a polyalkyleneoxy group, providing that the case in which R1-R5 invariably denote a hydrogen atom is excluded, and X and Y independently denote a hydroxyl group, an alkoxy group of C1-C3, or a halogen atom is disclosed. This invention embraces a substituted tetraphenylporphyrin silicon complex, polysiloxane, polysilane, liquid crystal material, photoconducting element, and photo-functional chaarge transfer material.Type: GrantFiled: June 7, 2000Date of Patent: July 2, 2002Assignees: Agency of Industrial Science and Technology, Ministry of International Trade and IndustryInventors: Takushi Sugino, Yo Shimizu, Hirosato Monobe
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Patent number: 6409565Abstract: A field emission cathode capable of emitting electrons under a low voltage. Lead-out electrodes are formed on an insulating layer and openings are formed at a lamination between the insulating layer and each of the lead-out electrodes. Emitters each are arranged in each of the openings. The insulating layer is provided on a lower surface thereof with a photoresist layer modified by heating. The modified photoresist layer is electrically connected through a resistive layer to a cathode electrode. The cathode electrode is formed in a pattern on a cathode substrate made of glass or the like. The emitters each are constituted by a distal end of each of projections of the modified photoresist layer exposed from the insulating layer. The photoresist is modified by heating, resulting in being provided with electrical conductivity and exhibiting stable electron emitting characteristics under a low voltage.Type: GrantFiled: May 25, 1999Date of Patent: June 25, 2002Assignees: Futaba Denshi Kogyo Kabushiki Kaisha, Director General Agency of Industrial Science and Technology, Ministry of International Trade & IndustryInventors: Shigeo Itoh, Junji Itoh, Seigo Kanemaru
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Patent number: 6407806Abstract: An angle compensation method compensates for the angle of the light-receiving surface of a photodiode disposed in an inclination detection device. The light-receiving surface is divided into four parts by an a-axis and a b-axis disposed perpendicular to each other and receives light reflected from an object surface that is an X-Y plane. The inclination detection device seeks the inclination of the object surface from changes in the irradiation position of the light reflected onto the photodiode light-receiving surface.Type: GrantFiled: December 29, 2000Date of Patent: June 18, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade and IndustryInventors: Satoru Fujisawa, Hisato Ogiso
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Patent number: 6400117Abstract: A slider mechanism includes two parallel guide rails, a first slider and a second slider constituted as separate members that are frictionally retained by and slidable along the guide rails, a first actuator for driving the first slider to change frictional force between it and the guide rails, a second actuator connecting the first and second sliders and adapted to move the second slider in the longitudinal direction of the guide rails, and a driving device for applying to the first actuator and second actuator a drive command that periodically produces a drive operation composed of four sequentially executed drive operation stages each consisting of a linear drive operation.Type: GrantFiled: December 29, 2000Date of Patent: June 4, 2002Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventor: Yuichi Okazaki
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Publication number: 20020024594Abstract: A marine plant field survey method includes the step of using a submarine mobile video system capable of taking images underwater to measure degree of macrophyte coverage in a marine plant field by taking wide-field images of macrophytes from above and a step of using the submarine mobile video system to discriminate species of macrophytes by taking images of macrophytes from a direction other than from above. A marine plant survey system includes a camera for taking wide-field images of macrophytes from above and a camera for taking images of macrophytes from a direction other than from above.Type: ApplicationFiled: December 5, 2000Publication date: February 28, 2002Applicant: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventor: Masumi Yamamuro
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Publication number: 20020021998Abstract: A method of synthesizing metallic oxides, when synthesizing an oxide of a metal A, controls oxygen partial pressure by using an oxygen partial pressure control agent containing an oxide of a metal B capable of assuming multiple valence numbers. The method satisfies an ionization tendency relationship of A1+<Bj+<A0, where i is the valence number of the metal A in the oxide to be synthesized and j is the valence number of the metal B in the oxygen partial pressure control agent.Type: ApplicationFiled: December 12, 2000Publication date: February 21, 2002Applicant: AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY, MINISTRY OF INTERNATIONAL TRADE & INDUSTRYInventors: Naoki Shirakawa, Shin-Ichi Ikeda, Hiroshi Bando
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Patent number: 6348165Abstract: A semiconductor magneto-optical material includes a semiconductor dispersed with fine magnetic material particles and is characterized by exibiting magneto-optical optical effect at ordinary room temperature.Type: GrantFiled: April 24, 2000Date of Patent: February 19, 2002Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & Industry, Tokin CorporationInventors: Hiroyuki Akinaga, Koichi Onodera
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Patent number: 6342671Abstract: An optical actuator includes pairs of stators disposed parallel to each other with a stipulated gap between them, a mover disposed moveably within the gap, and a number of photovoltaic devices. The photovoltaic device has device electrodes on either end in the direction of polarization, each connected to one of the pair of stators. The voltage generated by the photovoltaic effect of the device is utilized to generate force that displaces the mover with respect to the stators by means of electrostatic force arising from the voltage.Type: GrantFiled: October 20, 2000Date of Patent: January 29, 2002Assignees: Agency of Industrial Science and Technology, Ministry of International Trade and IndustryInventors: Yasushi Morikawa, Masaaki Ichiki
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Publication number: 20010045811Abstract: A slider mechanism includes two parallel guide rails, a first slider and a second slider constituted as separate members that are frictionally retained by and slidable along the guide rails, a first actuator for driving the first slider to change frictional force between it and the guide rails, a second actuator connecting the first and second sliders and adapted to move the second slider in the longitudinal direction of the guide rails, and a driving device for applying to the first actuator and second actuator a drive command that periodically produces a drive operation composed of four sequentially executed drive operation stages each consisting of a linear drive operation.Type: ApplicationFiled: December 29, 2000Publication date: November 29, 2001Applicant: AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY, MINISTRY OF INTERNATIONAL TRADE & INDUSTRYInventor: Yuichi Okazaki
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Patent number: 6319321Abstract: A thin-film fabrication method includes a spray step in which at least one thin-film composition material in liquid form is sprayed into a vacuum vessel via a spray nozzle provided for each thin-film composition material and deposited on a substrate, and a heat treatment step in which the material deposited on the substrate is heat treated. The substrate temperature in the spray step and/or the heat treatment step is controlled within a prescribed temperature range.Type: GrantFiled: January 20, 1998Date of Patent: November 20, 2001Assignee: Agency of Industrial Science & Technology Ministry of International Trade & IndustryInventors: Takashi Hiraga, Tetsuo Moriya, Norio Tanaka, Hiromitsu Yanagimoto
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Patent number: 6316296Abstract: A dual gate structure field-effect transistor is manufactured by forming a trench in an SOI substrate comprised of a semiconductor support substrate, a buried insulation layer formed on the support substrate and an SOI semiconductor layer formed on the insulation layer, so as to extend from an upper surface of the SOI substrate through the SOI semiconductor layer and the buried insulation layer to the semiconductor support substrate, thereby dividing the SOI semiconductor layer into two SOI semiconductor layer regions that form a source electrode and a drain electrode; forming a gate electrode constituted of low resistance material in a portion of the trench in contact with the buried insulation layer, thereby self-aligning with the source electrode and drain electrode; forming a gate insulation layer on the gate electrode in contact with the buried insulation layer around the trench; forming a semiconductor conduction channel layer on the gate insulation layer in contact with the two SOI semiconductor layerType: GrantFiled: March 28, 2000Date of Patent: November 13, 2001Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventor: Kunihiro Sakamoto
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Publication number: 20010034947Abstract: An apparatus for acquiring human finger manipulation data includes at least one finger motion detector consisting of a force sensor to be fitted on a human fingertip, at least three links and at least four angle detectors; and a base supporting the finger motion detector. The base can be attached to an external mount or a human hand. The force sensor is connected to the base through a link mechanism constituted by the links, and the angle detectors are attached at pivots between the links and optionally at a pivot between the link mechanism and the base. Three-dimensional motion of the finger is determined by measuring data of the angle detectors of the link mechanism, and fingertip contact force is measured by the force sensor. Up to five finger motion detectors, one for the thumb and each finger, can be supported on the base.Type: ApplicationFiled: December 29, 2000Publication date: November 1, 2001Applicant: Agency of Industrial Science and Technology, Ministry of International Trade & IndustryInventor: Kazuyuki Nagata
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Patent number: 6300284Abstract: A copper-based high-temperature superconducting material includes a carrier supply layer overdoped with carriers; and a superconducting layer comprised of at least three CuO2 layers that are selectively doped with the carriers; whereby a high superconducting transition temperature (Tc) is maintained to be not less than 116 K, critical current density (Jc) is improved to be 5×106 A/cm2 (77 K, 0 T), and irreversible field (Hirr) is improved to be not less than 7 T.Type: GrantFiled: September 13, 1999Date of Patent: October 9, 2001Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Hideo Ihara, Yoshiyasu Sekita