Patents by Inventor Hirohisa Tanaka
Hirohisa Tanaka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20100225895Abstract: An illumination optical system and method illuminates an irradiated surface based on linearly polarized light supplied from a light source. The illumination optical system includes a depolarizer which is selectively positioned between a first position in an optical path of the illumination optical system and a second position outside of the optical path, and has a crystal member whose thickness in a direction along an optical axis of the illumination optical system varies in a direction crossing the optical axis.Type: ApplicationFiled: May 18, 2010Publication date: September 9, 2010Applicant: NIKON CORPORATIONInventors: Osamu Tanitsu, Hirohisa Tanaka, Kenichi Muramatsu, Norio Komine, Hisashi Nishinaga, Tomoyuki Matsuyama, Takehito Kudo
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Publication number: 20100221643Abstract: A fuel cell system of the present invention includes a fixing unit that fixes or releases hydrazine, a fuel cell to which hydrazine released in the fixing unit is supplied as fuel, a supply line for supplying an aqueous hydrazine solution from a hydrazine supply source to the fixing unit, a drain line for draining drained water from the fixing unit, a first sensing unit for detecting a hydrazine concentration in an aqueous hydrazine solution flowing in the supply line, a second sensing unit for detecting a hydrazine concentration in drained water flowing in the drain line, and a detection unit that detects the amount of hydrazine fixed in the fixing unit based on the concentration values detected by the first sensing unit and the second sensing unit.Type: ApplicationFiled: September 4, 2008Publication date: September 2, 2010Applicant: Daihatsu Motor Co.,Ltd.Inventors: Koichiro Asazawa, Kohi Yamada, Hirohisa Tanaka
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Publication number: 20100204039Abstract: The exhaust gas-purifying catalyst includes at least one of a first composite oxide represented by a formula A(Al2-xBx)O4 and a second composite oxide represented by a formula (Al2-yCy)O3, wherein element A is a divalent transition metal other than platinum-group elements, each of elements B and C is a transition metal other than platinum-group elements, x satisfies 0<x<2, and y satisfies 0<y<2.Type: ApplicationFiled: April 22, 2010Publication date: August 12, 2010Applicants: CATALER CORPORATION, DIAHATSU MOTOR CO., LTD.Inventors: Satoshi MATSUEDA, Mareo Kimura, Hiroto Yoshida, Keiichi Narita, Hirohisa Tanaka, Mari Uenishi, Masashi Taniguchi
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Publication number: 20100197158Abstract: A cable connector includes a housing and a first contact provided in the housing. The first contact includes a first engaging and pivoting unit opposed to a back surface of the cable. The cable connector also includes a second contact which is provided in the housing and which includes a second engaging and pivoting unit opposed to the back surface of the cable. The second engaging and pivoting unit has a root which is thicker than that of the first engaging and pivoting unit. The cable connector also includes a cover. The cover includes a first through hole into which the first engaging and pivoting unit is inserted, a first cam unit engaged with the first engaging and pivoting unit, a second through hole into which the second engaging and pivoting unit is inserted, and a second cam unit engaged with the second engaging and pivoting unit.Type: ApplicationFiled: January 26, 2010Publication date: August 5, 2010Applicant: PANASONIC ELECTRIC WORKS CO., LTD.Inventors: Hirohisa TANAKA, Shunsuke HASHIMOTO
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Publication number: 20100163630Abstract: An antenna built-in module which incorporates an antenna, is thin and excellent in antenna characteristics, a card type information device and a method for manufacturing the same are provided. A wiring board (110) which has a wiring pattern (120) and in which an electronic component is mounted on at least one surface thereof, a magnetic substance (160) embedded in the other surface of the wiring board (110), an antenna pattern (170) provided on the magnetic substance (160), the wiring pattern (120) of the wiring board (110) and the antenna terminal electrode of the antenna pattern (170) are connected by a conductive via (200).Type: ApplicationFiled: November 8, 2006Publication date: July 1, 2010Applicant: Matsushita Electric Industrial Co., LtdInventors: Shozo Ochi, Norihito Tsukahara, Yutaka Nakamura, Hirohisa Tanaka
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Patent number: 7747991Abstract: Noting that there is a case where a type of a pointer “this” in a member function can be specified, the present invention provides a program converting method in which a virtual function call can be converted into a direct function call, and by which improvement of execution performance as well as reduction of a code size of a program can be achieved. The program converting method is a method for converting a program described in an object-oriented language, including: analyzing, in the program, a type of an instance by which a method is called; extracting, from a definition of the method, a virtual method call which is called by the instance; and converting, based on the type of the instance analyzed by the analyzing, the virtual method call extracted by the extracting, into a direct method call.Type: GrantFiled: November 14, 2005Date of Patent: June 29, 2010Assignee: Panasonic CorporationInventor: Hirohisa Tanaka
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Publication number: 20100149511Abstract: An illumination optical system illuminates an irradiated surface with light supplied from a light source. The illumination optical system includes a diffractive optical element disposed in an optical path of linearly polarized light supplied from the light source. The diffractive optical element forms a multipole illumination field including a plurality of illumination fields. The illumination optical system also includes an optical integrator that forms a multipole light source including a plurality of planar light sources with light that has passed through the multipole illumination field. The illumination optical system also includes a polarization optical member disposed in an illumination optical path and that sets a polarization direction of light that has passed through the multipole light source to a predetermined polarization direction.Type: ApplicationFiled: February 17, 2010Publication date: June 17, 2010Applicant: NIKON CORPORATIONInventors: Osamu Tanitsu, Hirohisa Tanaka, Kenichi Muramatsu, Norio Komine, Hisashi Nishinaga, Tomoyuki Matsuyama, Takehito Kudo
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Patent number: 7734388Abstract: A wheel-speed-sensor-anomaly detection apparatus detects anomaly of wheel speed sensors of a vehicle. When a difference between the minimum wheel speed among detected wheel speeds and the smallest value among the remaining wheel speeds is greater than a predetermined threshold value, in principle, a wheel speed sensor of the wheel corresponding to the minimum wheel speed is determined to be anomalous. Meanwhile, when a wheel having a lowered tire air pressure (air-pressure-lowered wheel) is present and a road surface on which the vehicle is currently traveling is a low-? road surface, the operation of detecting anomaly of the wheel speed sensors is prohibited. This operation reliably prevents erroneous detection of anomaly of the wheel speed sensor of the air-pressure-lowered wheel, which erroneous detection would otherwise occur due to the locking tendency of the air-pressure-lowered wheel occurring because of decreased tire air pressure, in particular, on a low-? road surface.Type: GrantFiled: August 28, 2006Date of Patent: June 8, 2010Assignee: Advics Co., Ltd.Inventors: Hirohisa Tanaka, Yoshimasa Yamamoto, Kazuhiro Kato
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Publication number: 20100093526Abstract: Disclosed is a catalyst composition containing a composite oxide. The composite oxide contains a transition element (excluding platinum group elements) which is transformed into a solid solution in the composite oxide under an oxidizing atmosphere and is precipitated from the composite oxide under a reducing atmosphere.Type: ApplicationFiled: January 15, 2008Publication date: April 15, 2010Applicants: DAIHATSU MOTOR CO., LTD., CATALER CORPORATIONInventors: Hirohisa Tanaka, Mari Uenishi, Masashi Taniguchi, Ryouhei Iwasaki, Mareo Kimura, Satoshi Matsueda
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Patent number: 7695299Abstract: A cable connector includes a housing and a first contact provided in the housing. The first contact includes a first engaging and pivoting unit opposed to a back surface of the cable. The cable connector also includes a second contact which is provided in the housing and which includes a second engaging and pivoting unit opposed to the back surface of the cable. The second engaging and pivoting unit has a root which is thicker than that of the first engaging and pivoting unit. The cable connector also includes a cover. The cover includes a first through hole into which the first engaging and pivoting unit is inserted, a first cam unit engaged with the first engaging and pivoting unit, a second through hole into which the second engaging and pivoting unit is inserted, and a second cam unit engaged with the second engaging and pivoting unit.Type: GrantFiled: March 20, 2008Date of Patent: April 13, 2010Assignee: Panasonic Electric Works Co., Ltd.Inventors: Hirohisa Tanaka, Shunsuke Hashimoto
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Publication number: 20100076659Abstract: This apparatus is applied to a vehicle brake apparatus provided with a hydraulic booster operated by utilizing an accumulator hydraulic pressure that is adjusted to a predetermined high pressure (not less than a lower limit value) by a drive control of a hydraulic pump. This apparatus executes an automatic pressurization control by controlling plural solenoid valves with the use of the accumulator hydraulic pressure. The increasing slope of the brake hydraulic pressure during the automatic pressurization control is determined on the basis of the vehicle motion state. The increasing slope is restricted to be not more than a predetermined restriction value, in the case where the accumulator hydraulic pressure at the time of starting the automatic pressurization control is less than “a reference hydraulic pressure that is greater than a minimum value of the accumulator hydraulic pressure necessary for assisting the brake operation by the hydraulic booster and smaller than the lower limit value”.Type: ApplicationFiled: December 2, 2009Publication date: March 25, 2010Applicant: ADVICS CO., LTDInventors: Akitaka NISHIO, Tatsuya Yano, Seiichi Kojima, Kiyohito Takeuchi, Hirohisa Tanaka
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Patent number: 7674114Abstract: A thin board-to-board connector with high density in which there is no connection between three-dimensional complex metal springs. The board-to-board connector includes a connector having a bump for electrical connection having an umbrella shape on a board and connected to a circuit board and a connector having an elastic electrically conductive section having a through hole made in a conductive pattern on an elastic insulating board and connected to a circuit board electrically connected to the elastic conductive section. When a bump is inserted into the through hole, the elastic conductive section is electrically connected to the bump, and the side surface of the through hole is pressed against to the bump and elastically deformed and dented. Consequently, the bump is press-fit into the through hole.Type: GrantFiled: January 26, 2007Date of Patent: March 9, 2010Assignee: Panasonic Electric Works Co., Ltd.Inventors: Hirohisa Tanaka, Shunsuke Hashimoto
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Patent number: 7668765Abstract: A method and system for determining a billing rate of a telecommunications connection is disclosed. The method and system may be used in a location aware telecommunications system that can determine the location of a telecommunications unit (TU) being used within the system. The geographic location of a mobile unit (MU) is determined, and compared to a list a predetermined subsidized zones. When the MU initiates or receives a call from within a subsidized zone, and the MU is otherwise responsible for paying a predetermined billing rate associated with the call, the predetermined rate is subsidized for at least the portion of the call made while the MU is located within the subsidized zone.Type: GrantFiled: July 5, 2001Date of Patent: February 23, 2010Assignee: deCarta Inc.Inventors: Hirohisa A. Tanaka, Geoffrey R. Hendrey, Philip J. Koopman, Jr.
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Publication number: 20100035111Abstract: Provided is a fuel cell including an electrolyte allowing an anion component to migrate; a fuel-side electrode and an oxygen-side electrode being arranged in opposed relation to each other while sandwiching the electrolyte; a fuel supplying material for supplying fuel to the fuel-side electrode; and an oxygen supplying material for supplying oxygen to the oxygen-side electrode, in which the oxygen-side electrode and/or the fuel-side electrode contain(s) a transition metal, and at least one of a complex-forming organic compound and an electrically-conductive polymer.Type: ApplicationFiled: September 7, 2007Publication date: February 11, 2010Applicant: Daihatsu Motor Co., Ltd.Inventors: Koichiro Asazawa, Koji Yamada, Hirohisa Tanaka
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Publication number: 20100004123Abstract: An excellent oxygen storage capacity is achieved even in the case used for a long period of time under high temperature conditions. An oxygen storage material contains a first particle made of a composite oxide of cerium and zirconium or a composite oxide of cerium, a rare-earth element other than cerium and zirconium, a second particle including a composite oxide of a rare-earth element, an alkaline-earth element and zirconium, and a precious metal. A part of the precious metal forms a solid solution with the composite oxide included in the second particle.Type: ApplicationFiled: June 22, 2007Publication date: January 7, 2010Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DAIHATSU MOTOR CO., LTD.Inventors: Mareo Kimura, Keiichi Narita, Akimasa Hirai, Akiya Chiba, Naoto Miyoshi, Kazunobu Ishibashi, Takaaki Kanazawa, Takeru Yoshida, Hirohisa Tanaka, Mari Uenishi, Isao Tan, Masashi Taniguchi
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Publication number: 20090317670Abstract: Hydrazine supply device (1) includes hydrazine fixing bath (2) which releasably fixes hydrazine and water/alkali, tank (3) for supplying water or an alkaline aqueous solution so as to release the hydrazine fixed in the hydrazine fixing bath (2), thereby achieving stable storage and supply of hydrazine. Thus, the device can be widely used in various industrial fields requiring the supply of hydrazine. Further, each of fuel cell system (10) and vehicle (14) comprises the hydrazine supply device (1) and fuel cell (13), thereby achieving safe utilization of hydrazine as fuel and reduction of burdens on the environmental load.Type: ApplicationFiled: July 9, 2007Publication date: December 24, 2009Applicants: OTSUKA CHEMICAL CO., LTD., DAIHATSU MOTOR CO., LTD.Inventors: Masatoshi Taniguchi, Akinori Oka, Takashi Kitajima, Ken Sonogi, Hirohisa Tanaka, Koji Yamada, Koichiro Asazawa
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Publication number: 20090318662Abstract: A hydrazine-fixing group such as a ketone group, a formyl group, a chlormethyl group or an amide group, which is capable of releasably fixing hydrazine, is introduced into a side chain of a synthetic resin, and hydrazine is fixed to the hydrazine-fixing group. Since a hydrazine storage resin of the present invention has a hydrazine-releasable group capable of releasing hydrazine, it is able to store hydrazine stably. In addition, hydrazine can be supplied by releasing hydrazine from the hydrazine-releasable group. Consequently, the hydrazine storage resin can be widely used in various industrial fields requiring supply of hydrazine.Type: ApplicationFiled: July 9, 2007Publication date: December 24, 2009Applicants: OTSUKA CHEMICAL CO., LTD., SANYO CHEMICAL INDUSTRIES, LTD., DAIHATSU MOTOR CO., LTD.Inventors: Masatoshi Taniguchi, Akinori Oka, Takashi Kitajima, Ken Sonogi, Masaaki Oka, Hirohisa Tanaka, Koji Yamada, Koichiro Asazawa
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Patent number: 7625836Abstract: To provide a heat-resistant oxide which is excellent in heat resistance and durability at high temperature and has high activity, a heat-resistant oxide which has an oxide crystal structure and in which a rate of a solid solution of a noble metal in the oxide crystal structure is 50% or more is obtained by heat-treating (secondarily baking) a precursor composition comprising zirconia, at least one coordinative element selected from the group consisting of rare earth elements, alkaline earth elements, aluminum and silicon, and at least one noble metal selected from the group consisting of platinum, rhodium and palladium at 650° C. or higher.Type: GrantFiled: December 13, 2005Date of Patent: December 1, 2009Assignees: Cataler Corporation, Daihatsu Motor Co., Ltd.Inventors: Satoshi Matsueda, Mareo Kimura, Naoto Miyoshi, Yoshinori Ishii, Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi
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Patent number: 7622418Abstract: To provide a method for industrially efficiently producing an exhaust gas purifying catalyst containing a perovskite-type composite oxide which is stable and has a less reduced specific surface area and is also effectively prevented from decreasing in its catalytic performance even in endurance in high temperature oxidative reducing atmospheres, a pre-crystallization composition containing elementary components constituting a perovskite-type composite oxide containing a noble metal is prepared, is mixed with a powder of theta-alumina and/or alpha-alumina to prepare a mixture, and the mixture is heat treated. Thus, the resulting perovskite-type composite oxide supported by the powder of theta-alumina and/or alpha-alumina can keep its thermostability at a sufficient level thereby to effectively prevent the catalytic performance from decreasing. This method can industrially efficiently produce the exhaust gas purifying catalyst.Type: GrantFiled: July 3, 2003Date of Patent: November 24, 2009Assignees: Daihatsu Motor Company, Ltd., Hokko Chemical Industry Co., Ltd.Inventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Nobuhiko Kajita, Masashi Taniguchi, Yasunori Sato, Keiichi Narita, Noboru Sato
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Patent number: D613732Type: GrantFiled: May 26, 2009Date of Patent: April 13, 2010Assignee: Sony CorporationInventors: Jun Uchiyama, Akio Suzuki, Hirohisa Tanaka