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Akifumi Oishi

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clutch operation assisting device and power unit for straddle-type...
    • Patent number 8,960,398
    • Issue date Feb 24, 2015
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Stepwise automatic transmission for saddle riding type vehicle, pow...
    • Patent number 8,763,486
    • Issue date Jul 1, 2014
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Two-wheeled motor vehicle
    • Patent number 8,720,632
    • Issue date May 13, 2014
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Engine
    • Patent number 8,202,181
    • Issue date Jun 19, 2012
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Saddle-ride type vehicle
    • Patent number 8,157,038
    • Issue date Apr 17, 2012
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Clutch operation assisting device, power unit for vehicle and strad...
    • Patent number 8,136,648
    • Issue date Mar 20, 2012
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine unit and straddle type vehicle
    • Patent number 8,075,432
    • Issue date Dec 13, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine with transmission
    • Patent number RE42841
    • Issue date Oct 18, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • 123 - Internal-combustion engines
  • Information Patent Grant

    Motorcycle
    • Patent number 7,980,348
    • Issue date Jul 19, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Straddle-type vehicle
    • Patent number 7,892,121
    • Issue date Feb 22, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Belt-type continuously variable transmission and straddle-type vehicle
    • Patent number 7,857,721
    • Issue date Dec 28, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch and vehicle having the same
    • Patent number 7,819,232
    • Issue date Oct 26, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Belt-type continuously variable transmission and straddle-type vehicle
    • Patent number 7,798,927
    • Issue date Sep 21, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    V-shaped belt, belt-type transmission, and saddle type-vehicle
    • Patent number 7,766,776
    • Issue date Aug 3, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine unit and straddle-type vehicle provided with the same
    • Patent number 7,721,700
    • Issue date May 25, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motorcycle
    • Patent number 7,690,466
    • Issue date Apr 6, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Riding type vehicle
    • Patent number 7,647,995
    • Issue date Jan 19, 2010
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Engine mounting arrangement for two wheeled vehicle
    • Patent number 7,549,496
    • Issue date Jun 23, 2009
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power unit for motorcycle and motorcycle
    • Patent number 7,540,348
    • Issue date Jun 2, 2009
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Saddle-type vehicle
    • Patent number 7,487,853
    • Issue date Feb 10, 2009
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Motorcycle with lowered center of gravity
    • Patent number 7,478,696
    • Issue date Jan 20, 2009
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Engine
    • Patent number 7,401,589
    • Issue date Jul 22, 2008
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine
    • Patent number 7,316,626
    • Issue date Jan 8, 2008
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Clutch-lever manipulation assisting device
    • Patent number 7,178,655
    • Issue date Feb 20, 2007
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Clutch-lever manipulation assisting device
    • Patent number 7,168,543
    • Issue date Jan 30, 2007
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    One-way clutch and application therefor
    • Patent number 4,754,859
    • Issue date Jul 5, 1988
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshio Ouchi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Stepwise Automatic Transmission For Saddle Riding Type Vehicle, Pow...
    • Publication number 20110259696
    • Publication date Oct 27, 2011
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    TWO-WHEELED MOTOR VEHICLE
    • Publication number 20110127099
    • Publication date Jun 2, 2011
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi Oishi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    V-SHAPED BELT, BELT-TYPE TRANSMISSION, AND SADDLE-TYPE VEHICLE
    • Publication number 20100267505
    • Publication date Oct 21, 2010
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Clutch Operation Assisting Device, Power Unit for Vehicle and Strad...
    • Publication number 20090107797
    • Publication date Apr 30, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi OISHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Engine Unit and Straddle-Type Vehicle Provided with the Same
    • Publication number 20080178834
    • Publication date Jul 31, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yousuke Ishida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Motorcycle
    • Publication number 20080179127
    • Publication date Jul 31, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi OISHI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Motorcycle
    • Publication number 20080121454
    • Publication date May 29, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi Oishi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE
    • Publication number 20080096718
    • Publication date Apr 24, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi OISHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Engine
    • Publication number 20080032841
    • Publication date Feb 7, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi OISHI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Clutch Operation Assisting Device and Power Unit for Straddle-Type...
    • Publication number 20080011575
    • Publication date Jan 17, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi OISHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Belt-Type Continuously Variable Transmission and Straddle-Type Vehicle
    • Publication number 20080015068
    • Publication date Jan 17, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yousuke ISHIDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Belt-Type Continuously Variable Transmission and Straddle-Type Vehicle
    • Publication number 20080015067
    • Publication date Jan 17, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yousuke Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Engine Unit and Straddle Type Vehicle
    • Publication number 20070295550
    • Publication date Dec 27, 2007
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH AND VEHICLE HAVING THE SAME
    • Publication number 20070137967
    • Publication date Jun 21, 2007
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yousuke Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    STRADDLE-TYPE VEHICLE
    • Publication number 20070105670
    • Publication date May 10, 2007
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Saddle-Type Vehicle
    • Publication number 20070023217
    • Publication date Feb 1, 2007
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Riding Type Vehicle
    • Publication number 20070023220
    • Publication date Feb 1, 2007
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yousuke ISHIDA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Saddle-Ride Type Vehicle
    • Publication number 20070023214
    • Publication date Feb 1, 2007
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yousuke ISHIDA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Power unit for motorcycle and motorcycle
    • Publication number 20060124372
    • Publication date Jun 15, 2006
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Motorcycle with lowered center of gravity
    • Publication number 20060090945
    • Publication date May 4, 2006
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Engine mounting arrangement for two wheeled vehicle
    • Publication number 20060090944
    • Publication date May 4, 2006
    • Yousuke Ishida
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    V-shaped belt, belt-type transmission, and saddle type-vehicle
    • Publication number 20060030443
    • Publication date Feb 9, 2006
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Clutch-lever manipulation assisting device
    • Publication number 20050252748
    • Publication date Nov 17, 2005
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Engine
    • Publication number 20050107194
    • Publication date May 19, 2005
    • Akifumi Oishi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Clutch-lever manipulation assisting device
    • Publication number 20050011719
    • Publication date Jan 20, 2005
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Engine
    • Publication number 20040171449
    • Publication date Sep 2, 2004
    • Akifumi Oishi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS