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Koichi Hatamura

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power generation device and automobile
    • Patent number 11,492,962
    • Issue date Nov 8, 2022
    • Hiroshima University
    • Keiya Nishida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Variable valve system
    • Patent number 9,494,061
    • Issue date Nov 15, 2016
    • Ogino Kogyo Co., Ltd.
    • Koichi Hatamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable valve drive system for engine
    • Patent number 7,980,210
    • Issue date Jul 19, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve train device for engine
    • Patent number 7,584,730
    • Issue date Sep 8, 2009
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable valve train mechanism of internal combustion engine
    • Patent number 7,469,669
    • Issue date Dec 30, 2008
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve mechanism for internal combustion engine
    • Patent number 7,398,750
    • Issue date Jul 15, 2008
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve mechanism for an internal combustion engine
    • Patent number 7,308,874
    • Issue date Dec 18, 2007
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve train device for engine
    • Patent number 7,281,504
    • Issue date Oct 16, 2007
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Metal gasket
    • Patent number 7,204,491
    • Issue date Apr 17, 2007
    • Kokusan Parts Industry Co., Ltd.
    • Koichi Hatamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve train device for engine
    • Patent number 7,168,403
    • Issue date Jan 30, 2007
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve train device for an engine
    • Patent number 7,096,835
    • Issue date Aug 29, 2006
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve train device for an engine
    • Patent number 7,069,890
    • Issue date Jul 4, 2006
    • Yamaha Motor Co., Ltd.
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine control system
    • Patent number 6,651,610
    • Issue date Nov 25, 2003
    • Mazda Motor Corporation
    • Eiji Nishimura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Lubricating device for engine-driven supercharger
    • Patent number 5,377,649
    • Issue date Jan 3, 1995
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Hidetsugu Matsubara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Control system for engine with supercharger
    • Patent number 5,090,392
    • Issue date Feb 25, 1992
    • Mazda Motor Corporation
    • Toru Nakano
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake system for V-type vehicle engine
    • Patent number 4,919,087
    • Issue date Apr 24, 1990
    • Mazda Motor Corporation
    • Muneyuki Ogami
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine intake system
    • Patent number 4,736,714
    • Issue date Apr 12, 1988
    • Mazda Motor Corporation
    • Kazuaki Hokazono
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake arrangement for internal combustion engine
    • Patent number 4,702,207
    • Issue date Oct 27, 1987
    • Mazda Motor Corporation
    • Koichi Hatamura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake manifold structure for V-type engine
    • Patent number 4,686,944
    • Issue date Aug 18, 1987
    • Mazda Motor Corporation
    • Tetsuo Hiraoka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake system for V-type engine
    • Patent number 4,649,871
    • Issue date Mar 17, 1987
    • Mazda Motor Corporation
    • Koichi Hatamura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake system for multicylinder engine
    • Patent number 4,630,575
    • Issue date Dec 23, 1986
    • Mazda Motor Corporation
    • Koichi Hatamura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake arrangement for internal combustion engine
    • Patent number 4,625,687
    • Issue date Dec 2, 1986
    • Mazda Motor Corporation
    • Koichi Hatamura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER GENERATION DEVICE AND AUTOMOBILE
    • Publication number 20210054781
    • Publication date Feb 25, 2021
    • HIROSHIMA UNIVERSITY
    • Keiya NISHIDA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VARIABLE VALVE SYSTEM
    • Publication number 20150075463
    • Publication date Mar 19, 2015
    • HATAMURA ENGINE RESEARCH OFFICE LTD.
    • Koichi HATAMURA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE VALVE DRIVE SYSTEM FOR ENGINE
    • Publication number 20080173266
    • Publication date Jul 24, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE TRAIN DEVICE FOR ENGINE
    • Publication number 20070204820
    • Publication date Sep 6, 2007
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve mechanism for an internal combustion engine
    • Publication number 20060243233
    • Publication date Nov 2, 2006
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve mechanism for internal combustion engine
    • Publication number 20060207532
    • Publication date Sep 21, 2006
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve mechanism for an internal combustion engine
    • Publication number 20060207533
    • Publication date Sep 21, 2006
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve train device for engine
    • Publication number 20060107915
    • Publication date May 25, 2006
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve train device for engine
    • Publication number 20060102120
    • Publication date May 18, 2006
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Variable valve train mechanism of internal combustion engine
    • Publication number 20060075982
    • Publication date Apr 13, 2006
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE TRAIN DEVICE FOR AN ENGINE
    • Publication number 20050229882
    • Publication date Oct 20, 2005
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve train device for an engine
    • Publication number 20050126526
    • Publication date Jun 16, 2005
    • Hideo Fujita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Engine control system
    • Publication number 20020038646
    • Publication date Apr 4, 2002
    • Eiji Nishimura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...