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Yasuo Okamoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve gear and engine
    • Patent number 11,255,236
    • Issue date Feb 22, 2022
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Lost motion mechanism, valve gear and engine
    • Patent number 11,193,401
    • Issue date Dec 7, 2021
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve spring retainer and internal combustion engine
    • Patent number 11,193,403
    • Issue date Dec 7, 2021
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion engine and vehicle
    • Patent number 11,066,963
    • Issue date Jul 20, 2021
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine and vehicle
    • Patent number 10,851,680
    • Issue date Dec 1, 2020
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve gear for engine
    • Patent number 10,641,141
    • Issue date May 5, 2020
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve mechanism of engine
    • Patent number 10,352,201
    • Issue date Jul 16, 2019
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve gear for engine and method of manufacturing rocker arms
    • Patent number 10,215,063
    • Issue date Feb 26, 2019
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve gear for engine
    • Patent number 10,167,744
    • Issue date Jan 1, 2019
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Straddle-type vehicle
    • Patent number 8,256,939
    • Issue date Sep 4, 2012
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akira Onoda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Straddle-type vehicle
    • Patent number 7,731,238
    • Issue date Jun 8, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuyuki Otsubo
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Straddle-type vehicle
    • Patent number 7,690,463
    • Issue date Apr 6, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    V type internal combustion engine
    • Patent number 7,434,555
    • Issue date Oct 14, 2008
    • Yamaha Motor Company Ltd
    • Yasuo Okamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fuel level detection device for a fuel tank
    • Patent number 6,880,398
    • Issue date Apr 19, 2005
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Method for making lithographic printing plate
    • Patent number 6,846,615
    • Issue date Jan 25, 2005
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Method for producing lithographic printing plate, lithographic prin...
    • Patent number 6,727,044
    • Issue date Apr 27, 2004
    • Fuji Photo Film Co., Ltd.
    • Kazuhiro Fujimaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for preparing lithographic printing plate
    • Patent number 6,638,687
    • Issue date Oct 28, 2003
    • Fuji Photo Film Co., Ltd.
    • Tatsuji Higashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Joint structure for an blow-by gas passage
    • Patent number 6,601,572
    • Issue date Aug 5, 2003
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Photopolymerizable composition
    • Patent number 6,153,660
    • Issue date Nov 28, 2000
    • Fuji Photo Film Co., Ltd.
    • Kazuhiro Fujimaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photopolymerizable composition containing a sensitizing dye with cy...
    • Patent number 6,140,384
    • Issue date Oct 31, 2000
    • Fuji Photo Film Co., Ltd.
    • Tadahiro Sorori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photopolymerizable composition
    • Patent number 5,939,465
    • Issue date Aug 17, 1999
    • Fuji Photo Film Co., Ltd.
    • Kazuto Kunita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photopolymerizable composition containing a sensitizing dye and a t...
    • Patent number 5,801,212
    • Issue date Sep 1, 1998
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photopolymerizable composition
    • Patent number 5,776,996
    • Issue date Jul 7, 1998
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photopolymerizable composition containing sensitizing dye and titan...
    • Patent number 5,731,363
    • Issue date Mar 24, 1998
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photosensitive lithographic printing plate
    • Patent number 5,698,372
    • Issue date Dec 16, 1997
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photopolymerizable composition
    • Patent number 5,609,992
    • Issue date Mar 11, 1997
    • Fuji Photo Film Co., Ltd.
    • Tadahiro Sorori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photopolymerizable composition
    • Patent number 5,385,807
    • Issue date Jan 31, 1995
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photopolymerizable composition initiated by a combination of boron...
    • Patent number 5,168,032
    • Issue date Dec 1, 1992
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sensitizers for photopolymerizable compositions
    • Patent number 5,049,481
    • Issue date Sep 17, 1991
    • Fuji Photo Film Co., Ltd.
    • Yasuo Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photopolymerizable compositions containing organoboron compounds an...
    • Patent number 4,971,891
    • Issue date Nov 20, 1990
    • Fuji Photo Film Co., Ltd.
    • Koichi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE SPRING RETAINER AND INTERNAL COMBUSTION ENGINE
    • Publication number 20210293161
    • Publication date Sep 23, 2021
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    LOST MOTION MECHANISM, VALVE GEAR AND ENGINE
    • Publication number 20210199028
    • Publication date Jul 1, 2021
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE GEAR AND ENGINE
    • Publication number 20210199031
    • Publication date Jul 1, 2021
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE AND VEHICLE
    • Publication number 20210140348
    • Publication date May 13, 2021
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE AND VEHICLE
    • Publication number 20200182099
    • Publication date Jun 11, 2020
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE MECHANISM OF ENGINE
    • Publication number 20180266281
    • Publication date Sep 20, 2018
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE GEAR FOR ENGINE
    • Publication number 20170298784
    • Publication date Oct 19, 2017
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE GEAR FOR ENGINE AND METHOD OF MANUFACTURING ROCKER ARMS
    • Publication number 20170298787
    • Publication date Oct 19, 2017
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE GEAR FOR ENGINE
    • Publication number 20170159515
    • Publication date Jun 8, 2017
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Straddle-Type Vehicle
    • Publication number 20080158895
    • Publication date Jul 3, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akira ONODA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Straddle-Type Vehicle
    • Publication number 20080156558
    • Publication date Jul 3, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuyuki OTSUBO
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Straddle-Type Vehicle
    • Publication number 20080156557
    • Publication date Jul 3, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yasuo OKAMOTO
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    VALVE ACTUATING SYSTEM FOR RECIPROCATING MACHINE
    • Publication number 20060266315
    • Publication date Nov 30, 2006
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Tsunero Hamada
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    V TYPE INTERNAL COMBUSTION ENGINE
    • Publication number 20060243236
    • Publication date Nov 2, 2006
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Method for making lithographic printing plate
    • Publication number 20030118945
    • Publication date Jun 26, 2003
    • Yasuo Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Fuel level detection device for a fuel tank
    • Publication number 20030074965
    • Publication date Apr 24, 2003
    • Yasuo Okamoto
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Method for preparing lithographic printing plate
    • Publication number 20030049564
    • Publication date Mar 13, 2003
    • Tatsuji Higashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Joint structure for an blow-by gas passage
    • Publication number 20020134361
    • Publication date Sep 26, 2002
    • Yasuo Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES