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).

  • Patent number: 7622418
    Abstract: 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: Grant
    Filed: July 3, 2003
    Date of Patent: November 24, 2009
    Assignees: 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
  • Publication number: 20090284727
    Abstract: An illumination optical system is one for illuminating a surface to be illuminated with light from a light source, which has a distribution forming optical system including an optical integrator and forming a pupil intensity distribution on an illumination pupil located behind the optical integrator, and an optical attenuator arranged on a predetermined surface in an optical path behind the optical integrator and having an attenuation characteristic of varying an attenuation rate depending upon an angle of incidence to the predetermined surface.
    Type: Application
    Filed: February 5, 2009
    Publication date: November 19, 2009
    Applicant: NIKON CORPORATION
    Inventors: Kouji Muramatsu, Osamu Tanitsu, Hirohisa Tanaka, Masaya Yamamoto, Norio Miyake, Yasushi Mizuno, Ryuji Takaya, Risa Yoshimoto, Hiroyuki Hirota
  • Patent number: 7607944
    Abstract: To provide a multi-pole coaxial connector that can be made more compact. More specifically, to provide a multi-pole coaxial connector in which a pitch between members is reduced to reduce a connecting body in size. In a multi-pole coaxial connector in which when a housing block and a receptacle are coupled to each other, a signal post and a signal contact are brought into conduction, a ground contact and a ground case are brought into conduction, an internal conductor and a signal SMD terminal are brought into conduction, and an external conductor and a ground SMD terminal are brought into conduction, and a cross section of the ground contact is formed into substantially U-shape in which adjacent ground contact side is opened.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: October 27, 2009
    Assignee: Panasonic Electric Works Co., Ltd.
    Inventors: Kosuke Yoshioka, Narutoshi Hoshino, Shuji Kato, Hirohisa Tanaka
  • Publication number: 20090257043
    Abstract: An illumination optical system to illuminate an illumination target surface with light from a light source comprises a distribution forming optical system including an optical integrator and forming a pupil intensity distribution on an illumination pupil located behind the optical integrator; and a transmission filter with a transmittance characteristic varying depending upon an angle of incidence of light, which is arranged in an illumination pupil space between an optical element with a power adjacent in front of the illumination pupil and an optical element with a power adjacent behind the illumination pupil and which is arranged at a position of incidence of light to pass through only a partial region of the illumination pupil or light having passed through only a partial region of the illumination pupil.
    Type: Application
    Filed: February 13, 2009
    Publication date: October 15, 2009
    Applicant: NIKON CORPORATION
    Inventors: Takashi MORI, Hirohisa Tanaka
  • Patent number: 7601031
    Abstract: A compact memory card adapter, which improves connection reliability with an antenna circuit and ensures communication distance when a memory card with a non-contact communication function is inserted therein. The adapter is formed with a base made of an electrical insulating material, a plurality of contacts arranged on an inner surface of the base so as to electrically contact an I/O connecting terminal and an antenna connecting terminal of the memory card inserted in the adapter, and an antenna circuit formed on an outer surface of the base. The contact connectable to the antenna connecting terminal of the memory card has a spring piece at its one end, which elastically contacts the antenna connecting terminal of the memory card, and the other end inserted into a through hole formed in the base to make an electrical connection with the antenna circuit.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: October 13, 2009
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Hirohisa Tanaka, Yutaka Nakamura
  • Patent number: 7601325
    Abstract: To provide a perovskite-type composite oxide which has stable quality in which a solid solution of Pd is formed at a high rate, a method for producing the perovskite-type composite oxide, and a catalyst composition containing the perovskite-type composite oxide, the perovskite-type composite oxide is produced by formulating materials in accordance with each atomic ratio of a perovskite-type composite oxide represented by the following general formula (1): AxB(1-y)PdyO3+???(1) wherein A represents at least one element selected from rare earth elements and alkaline earth metals; B represents at least one element selected from transition elements (excluding rare earth elements, and Pd), Al and Si; x represents an atomic ratio satisfying the following condition: 1<x; y represents an atomic ratio satisfying the following condition: 0<y?0.5; and ? represents an oxygen excess.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: October 13, 2009
    Assignees: Daihatsu Motor Co., Ltd., Hokko Chemical Industry Co., Ltd., Cataler Corporation
    Inventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Nobuhiko Kajita, Masashi Taniguchi, Kimiyoshi Kaneko, Senshu Mitachi, Mareo Kimura, Keiichi Narita, Noboru Sato
  • Publication number: 20090253286
    Abstract: The invention provides a connector capable of applying a harmless emetic substance to a small recording medium such as a memory card to prevent an infant from accidentally swallowing the small recording medium. This connector includes a casing, contacts disposed within the casing in electrical connection with terminals of the small recording medium, and a holding member configured to hold the small recording medium within the casing. The holding member is provided with the emetic substance at a portion contacting with the small recording medium. Preferably, denatonium benzoate is used as the emetic substance.
    Type: Application
    Filed: October 10, 2006
    Publication date: October 8, 2009
    Inventors: Hirohisa Tanaka, Yutaka Nakamura
  • Publication number: 20090253574
    Abstract: Provided is a catalyst with a noble metal efficiently supported on the surfacemost thereof. A composite oxide-containing layer is formed on a catalyst carrier so as to contain a perovskite-type composite oxide represented by the following general formula (1) and an other composite oxide, and a noble metal layer is further formed on the catalyst carrier so as to be supported on the surfacemost of the catalyst carrier by immersing the catalyst carrier formed with the composite oxide-containing layer in an aqueous noble metal salt solution to impregnate the catalyst carrier with the aqueous noble metal salt solution: AxByO3±???(1) (wherein A represents at least one element selected from rare earth elements and alkaline earth metals; B represents at least one element selected from transition elements (excluding rare earth elements); x represents an atomic ratio of less than 1; y represents an atomic ratio of 1.0; and ? represents an oxygen excess or an oxygen deficiency.
    Type: Application
    Filed: April 23, 2007
    Publication date: October 8, 2009
    Applicants: DAIHATSU MOTOR CO., LTD., CATALER CORPORATION
    Inventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi, Mareo Kimura, Satoshi Matsueda, Akimasa Hirai, Keiichi Narita
  • Patent number: 7592473
    Abstract: In order to provide a method of synthesizing a compound in which activity of a catalyst is maintained even when the catalyst is recovered after the completion of the coupling reaction using a palladium-containing perovskite-type composite oxide as the catalyst and used repeatedly and the reaction can be carried out in a high yield, a palladium-containing perovskite-type composite oxide is used as a synthesis reaction catalyst and a reaction solvent containing an alkoxy alcohol is used as a reaction solvent in Suzuki Cross-Couplings given by the following general formula (15).
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: September 22, 2009
    Assignees: Daihatsu Motor Co., Ltd., Hokko Chemical Industry Co., Ltd.
    Inventors: Hirohisa Tanaka, Kimiyoshi Kaneko
  • Patent number: 7576032
    Abstract: A catalyst composition which prevents deterioration due to grain growth of Rh and/or Pt, includes a perovskite-type composite oxide represented by the following general formula (1): A1?xA?xB1?(y+z)B?yNzO3??(1) wherein A represents at least one element selected from alkaline earth metals; A? represents at least one element selected from rare earth elements; B represents at least one element selected from Ti, Zr, and Hf; B? represents at least one element selected from transition elements (excluding rare earth elements, Ti, Zr, Hf, Rh, and Pt) and Al; N represents at least one element selected from Rh and Pt; x represents an atomic ratio satisfying the following condition: 0?x?0.4; y represents an atomic ratio satisfying the following condition: 0?y<0.5; z represents an atomic ratio satisfying the following condition: 0<z?0.5; and X represents 0 when N represents Pt alone.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: August 18, 2009
    Assignee: Daihatsu Motor Co., Ltd.
    Inventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi
  • Publication number: 20090135396
    Abstract: An illumination optical apparatus is able to individually illuminate two regions separate from each other, under required illumination conditions. The illumination optical apparatus comprises a first illumination system to illuminate a illumination region and a second illumination region to illuminate a second illumination region. The first illumination system includes a first variable system which varies a shape or size of a light intensity distribution on an illumination pupil of the first illumination system and the second illumination system includes a second variable system which varies a shape or size of a light intensity distribution on an illumination pupil of the second illumination system. The first variable system and the second variable system vary the light intensity distribution on the illumination pupil of the first illumination system and the light intensity distribution on the illumination pupil of the second illumination system independently of each other.
    Type: Application
    Filed: October 3, 2008
    Publication date: May 28, 2009
    Applicant: NIKON CORPORATION
    Inventors: Yasushi Mizuno, Koji Shigematsu, Kouji Muramatsu, Hirohisa Tanaka, Osamu Tanitsu
  • Publication number: 20090137152
    Abstract: A memory card socket has a plate-like antenna block having a coil-like secondary antenna which is opposed to an antenna incorporated in a memory card in a state where the memory card is attached to the card receiving portion. Openings as cavities are formed in portions of the antenna block inside of the coil of the secondary antenna. With this structure, it is possible to obtain a memory card socket having a compact and simple structure and having a non-contact communication function capable of preventing producing cost from increasing.
    Type: Application
    Filed: October 6, 2006
    Publication date: May 28, 2009
    Applicant: MATSUSHITA ELECTRIC WORKS, LTD.
    Inventors: Hirohisa Tanaka, Masato Namboku, Masahito Yamana
  • Publication number: 20090131252
    Abstract: To provide a catalyst composition containing a novel perovskite-type composite oxide which permits reversible entrance and exit of noble metals, a catalyst composition is prepared so as to contain a perovskite-type composite oxide represented by the general formula (1): AxA?wByB?(1-y-z)NzO3±???(1) (wherein A represents at least one element selected from alkaline earth metals; A? represents at least one element selected from rare earth elements; B represents a tetravalent rare earth element; B? represents at least one element selected from transition elements (excluding tetravalent rare earth elements, Rh, Pd and Pt); N represents at least one element selected from Rh, Pd and Pt; x and w represent an atomic ratio satisfying the following relations: 0.8?x+w?1.3 (0.8?x?1.3, 0?w?0.4); y represents an atomic ratio satisfying the following relation: 0<y<1.0; z represents an atomic ratio satisfying the following relation: 0<z?0.5; and ? represents an oxygen excess or deficiency amount).
    Type: Application
    Filed: June 2, 2006
    Publication date: May 21, 2009
    Inventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi, Kazuya Naito, Mareo Kimura, Keiichi Narita, Hiromasa Suzuki, Satoshi Matsueda, Yoshinori Ishii
  • Publication number: 20090131251
    Abstract: An exhaust gas-purifying catalyst is less prone to cause a decrease in its activity even when used in a high temperature atmosphere containing oxygen at a high concentration. The exhaust gas-purifying catalyst includes a composite oxide and Pd or a second solid solution of a composite and Rh and/or Pt. The first and second solid solutions have perovskite structure and are represented by ABO3 and CDO3, respectively. The composite oxide catalyst is supported by a composite oxide support including a composite oxide of spinel structure represented by EF2O4 or a composite oxide represented by GAl12O19. A and B represent a rare-earth element and a transition element, respectively. C and G represent an alkaline-earth element. D represents one or more of Ti, Zr, Hf and Ce. E represents an alkaline-earth element and/or a transition element. F represents one or more of Al, Mg and transition elements.
    Type: Application
    Filed: December 23, 2008
    Publication date: May 21, 2009
    Applicants: CATALER CORPORATION, DAIHATSU MOTOR CO., LTD.
    Inventors: Satoshi Matsueda, Mareo Kimura, Akimasa Hirai, Keiichi Narita, Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi
  • Publication number: 20090128796
    Abstract: An illumination optical apparatus which constantly controls a plurality of polarization states with high accuracy. An illumination optical system, which illuminates a pattern surface of a mask with illumination light, includes a polarization optical system and a depolarizer. The polarization optical system includes a half wavelength plate and PBS, which varies a polarization state of the illumination light to form a linear polarization state having a predetermined polarization direction. The depolarizer is arranged toward the mask from the polarization optical system and varies the polarization state of the illumination light emitted from the polarization optical system.
    Type: Application
    Filed: October 8, 2008
    Publication date: May 21, 2009
    Inventor: Hirohisa Tanaka
  • Patent number: 7534130
    Abstract: A cable connector includes a housing, a first contact having a first contact unit opposed to a front surface of a cable and an engaging and pivoting unit opposed to a back surface of the cable, a second contact which is provided in the housing and which has a second contact unit opposed to the front surface of the cable and a wall opposed to the back surface of the cable, and a cover which is turnably supported on the engaging and pivoting unit by a through hole into which the engaging and pivoting unit is inserted and a cam unit engaged with the engaging and pivoting unit. The engaging and pivoting unit is engaged with the cam unit so that the cover can move in an inserting and releasing direction of the cable. The wall limits movement of the cover in an inserting direction of the cable.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: May 19, 2009
    Assignee: Panasonic Electric Works Co., Ltd.
    Inventors: Hirohisa Tanaka, Shunsuke Hashimoto
  • Publication number: 20090115990
    Abstract: An illumination optical system with a simple structure reduces the effects of illumination variations caused by a spatial coherency of illumination light, while maintaining a high usage efficiency of illumination light that is emitted in pulses. The illumination optical system illuminates an irradiated plane with pulse-emitted illumination light and includes a spatial light modulator including a plurality of mirror elements each of which spatially modulates the illumination light in accordance with an incident position of the illumination light. A modulation control unit controls the mirror elements, whenever at least one pulse light is emitted, in a manner that the optical elements spatially modulate the illumination light differently from one another manner and forms substantially the same intensity distribution for the illumination light on a predetermined plane.
    Type: Application
    Filed: November 6, 2008
    Publication date: May 7, 2009
    Inventors: Soichi Owa, Osamu Tanitsu, Hirohisa Tanaka
  • Publication number: 20090115989
    Abstract: There is disclosed an illumination optical apparatus which illuminates a surface to be illuminated on the basis of light from a light source, comprising, a first polarizing member arranged as rotatable around an optical axis of the illumination optical apparatus or around an axis substantially parallel to the optical axis; and a second polarizing member arranged as rotatable around the optical axis or around said axis substantially parallel thereto in an optical path between the first polarizing member and the surface to be illuminated, wherein each of the first polarizing member and the second polarizing member provides incident light with variations in a polarization state different according to respective positions of incidence.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 7, 2009
    Inventor: Hirohisa Tanaka
  • Publication number: 20090097007
    Abstract: An illumination optical system for illuminating an irradiated plane M with illumination light provided from a light source includes a spatial light modulator, which is arranged in an optical path of the illumination optical system and forms a desired light intensity distribution at a pupil position of the illumination optical system or a position optically conjugated with the pupil position, and a diffuser, which is arranged at an incidence side of the spatial light modulator through which the illumination light enters.
    Type: Application
    Filed: October 15, 2008
    Publication date: April 16, 2009
    Inventor: Hirohisa Tanaka
  • Publication number: 20090097094
    Abstract: An illumination optical system which illuminates an irradiated plane with illumination light provided from a light source includes a spatial light modulator which is arranged in an optical path of the illumination optical system and cooperates with part of the illumination optical system to form a desired light intensity distribution at a pupil position of the illumination optical system or a position optically conjugated with the pupil position. A detection unit detects the light intensity distribution of the illumination light at a position in an optical path extending from the light source to the spatial light modulator. The detection unit includes a light receiving surface which receives some of the illumination light. A control unit controls the spatial light modulator based on the light intensity distribution detected by the detection unit.
    Type: Application
    Filed: October 15, 2008
    Publication date: April 16, 2009
    Inventor: Hirohisa Tanaka