Toshihiko OKA

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cylinder head of engine

    • Patent number 10,247,131
    • Issue date Apr 2, 2019
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Nobuhiro Kawakami
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine

    • Patent number 9,587,529
    • Issue date Mar 7, 2017
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Nobuhiro Kawakami
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine

    • Patent number 9,562,446
    • Issue date Feb 7, 2017
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Nobuhiro Kawakami
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cam structure

    • Patent number 9,109,471
    • Issue date Aug 18, 2015
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Yusuke Kido
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cylinder head

    • Patent number 7,913,660
    • Issue date Mar 29, 2011
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Keisuke Komura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cylinder head

    • Patent number 7,677,219
    • Issue date Mar 16, 2010
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Keisuke Komura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve system for internal combustion engine

    • Patent number 7,357,107
    • Issue date Apr 15, 2008
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Shuji Nagano
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cooling water passage structure for an engine

    • Patent number 7,270,091
    • Issue date Sep 18, 2007
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Satoshi Matsui
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cylinder head structure

    • Patent number 7,152,566
    • Issue date Dec 26, 2006
    • Mitsubishi Jidosha Engineering Kabushiki Kaisha
    • Satoshi Matsui
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve gear of an internal combustion engine

    • Patent number 7,107,953
    • Issue date Sep 19, 2006
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Norio Takayasu
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve gear with cylinder suspending mechanism of an internal combus...

    • Patent number 7,007,646
    • Issue date Mar 7, 2006
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Norio Takayasu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve system for internal combustion engine

    • Patent number 6,959,675
    • Issue date Nov 1, 2005
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Shuji Nagano
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rocker shaft

    • Patent number 6,883,484
    • Issue date Apr 26, 2005
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Toshihiko Oka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve system for internal combustion engine

    • Patent number 6,832,584
    • Issue date Dec 21, 2004
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Shinichi Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Flow path structure of hollow tube

    • Patent number 6,810,846
    • Issue date Nov 2, 2004
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Shinichi Murata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve system for internal combustion engine

    • Patent number 6,763,793
    • Issue date Jul 20, 2004
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Shinichi Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve device for engine

    • Patent number 5,979,384
    • Issue date Nov 9, 1999
    • Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    • Toshihiko Oka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    CYLINDER HEAD OF ENGINE

    • Publication number 20170175669
    • Publication date Jun 22, 2017
    • MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    • Nobuhiro KAWAKAMI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE

    • Publication number 20150159523
    • Publication date Jun 11, 2015
    • MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    • Nobuhiro KAWAKAMI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE

    • Publication number 20150159524
    • Publication date Jun 11, 2015
    • MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    • Nobuhiro KAWAKAMI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CAM STRUCTURE

    • Publication number 20140290602
    • Publication date Oct 2, 2014
    • MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    • Yusuke KIDO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CYLINDER HEAD

    • Publication number 20090084340
    • Publication date Apr 2, 2009
    • Keisuke Komura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CYLINDER HEAD

    • Publication number 20090084341
    • Publication date Apr 2, 2009
    • Keisuke Komura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Cylinder head structure

    • Publication number 20050252463
    • Publication date Nov 17, 2005
    • Mitsubishi Jidosha Engineering Kabushiki Kaisha
    • Satoshi Matsui
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Valve gear of an internal combustion engine

    • Publication number 20050092270
    • Publication date May 5, 2005
    • MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    • Norio Takayasu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve gear with cylinder suspending mechainsm of an internal combus...

    • Publication number 20050092271
    • Publication date May 5, 2005
    • MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    • Norio Takayasu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rocker shaft

    • Publication number 20050016484
    • Publication date Jan 27, 2005
    • Toshihiko Oka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve system for internal combustion engine

    • Publication number 20040154569
    • Publication date Aug 12, 2004
    • Shuji Nagano
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve system for internal combustion engine

    • Publication number 20040123825
    • Publication date Jul 1, 2004
    • Shuji Nagano
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve system for internal combustion engine

    • Publication number 20040016413
    • Publication date Jan 29, 2004
    • Shinichi Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve system for internal combustion engine

    • Publication number 20030221645
    • Publication date Dec 4, 2003
    • Shinichi Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Flow path structure of hollow tube

    • Publication number 20030154943
    • Publication date Aug 21, 2003
    • Shinichi Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES