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Seiji Sawai

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  • Shizuoka-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle
    • Patent number 11,142,033
    • Issue date Oct 12, 2021
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Masahiro Yoshida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle
    • Patent number 11,014,420
    • Issue date May 25, 2021
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Shock absorber, vehicle, and snowmobile
    • Patent number 10,823,249
    • Issue date Nov 3, 2020
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Straddle-type vehicle
    • Patent number 10,538,276
    • Issue date Jan 21, 2020
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Kazunari Takata
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vehicle damping system and vehicle
    • Patent number 10,315,483
    • Issue date Jun 11, 2019
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Snowmobile
    • Patent number 10,252,775
    • Issue date Apr 9, 2019
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Snowmobile
    • Patent number 10,144,444
    • Issue date Dec 4, 2018
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Snowmobile
    • Patent number 10,124,858
    • Issue date Nov 13, 2018
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Straddle-type vehicle
    • Patent number 10,046,830
    • Issue date Aug 14, 2018
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vibration damping device for vehicle body
    • Patent number 9,845,113
    • Issue date Dec 19, 2017
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Snowmobile
    • Patent number 9,688,353
    • Issue date Jun 27, 2017
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Vehicle
    • Patent number 9,248,877
    • Issue date Feb 2, 2016
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Spring structure
    • Patent number 8,800,980
    • Issue date Aug 12, 2014
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic shock absorber
    • Patent number 8,381,887
    • Issue date Feb 26, 2013
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Damper
    • Patent number 8,196,722
    • Issue date Jun 12, 2012
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Masahiro Satou
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic shock absorber for vehicle
    • Patent number 8,037,982
    • Issue date Oct 18, 2011
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Masahiro Satou
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic shock absorber
    • Patent number 7,540,480
    • Issue date Jun 2, 2009
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reinforcing member for vehicles and vehicle body structure
    • Patent number 6,595,533
    • Issue date Jul 22, 2003
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Damping arrangement for suspension system
    • Patent number 6,513,797
    • Issue date Feb 4, 2003
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle suspension apparatus
    • Patent number 6,511,085
    • Issue date Jan 28, 2003
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Piston ring for shock absorber
    • Patent number 6,176,492
    • Issue date Jan 23, 2001
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Intake control system for engine
    • Patent number 5,775,283
    • Issue date Jul 7, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable damping force hydraulic shock absorber
    • Patent number 5,522,484
    • Issue date Jun 4, 1996
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Suspension mechanism for vehicles
    • Patent number 5,114,176
    • Issue date May 19, 1992
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    VEHICLE
    • Publication number 20190291523
    • Publication date Sep 26, 2019
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Masahiro YOSHIDA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VEHICLE
    • Publication number 20190291521
    • Publication date Sep 26, 2019
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji SAWAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SHOCK ABSORBER, VEHICLE, AND SNOWMOBILE
    • Publication number 20180094689
    • Publication date Apr 5, 2018
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji SAWAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC SHOCK ABSORBING APPARATUS FOR VEHICLE
    • Publication number 20180079275
    • Publication date Mar 22, 2018
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji SAWAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VEHICLE DAMPING SYSTEM AND VEHICLE
    • Publication number 20180072126
    • Publication date Mar 15, 2018
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    STRADDLE-TYPE VEHICLE
    • Publication number 20170334488
    • Publication date Nov 23, 2017
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Kazunari TAKATA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SNOWMOBILE
    • Publication number 20170217541
    • Publication date Aug 3, 2017
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji SAWAI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SNOWMOBILE
    • Publication number 20170217540
    • Publication date Aug 3, 2017
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji SAWAI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SNOWMOBILE
    • Publication number 20170217472
    • Publication date Aug 3, 2017
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Seiji SAWAI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    VIBRATION DAMPING DEVICE FOR VEHICLE BODY
    • Publication number 20160152276
    • Publication date Jun 2, 2016
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji SAWAI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STRADDLE-TYPE VEHICLE
    • Publication number 20160075405
    • Publication date Mar 17, 2016
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji SAWAI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STRADDLE-TYPE VEHICLE
    • Publication number 20150060159
    • Publication date Mar 5, 2015
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji Sawai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SPRING STRUCTURE
    • Publication number 20110233836
    • Publication date Sep 29, 2011
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC DAMPER
    • Publication number 20100072009
    • Publication date Mar 25, 2010
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yutaka YAMAZAKI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DAMPER
    • Publication number 20090283373
    • Publication date Nov 19, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Masahiro Satou
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VEHICLE BODY VIBRATION DAMPING APPARATUS
    • Publication number 20090167036
    • Publication date Jul 2, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji SAWAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC SHOCK ABSORBER
    • Publication number 20090101459
    • Publication date Apr 23, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji Sawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYDRAULIC SHOCK ABSORBER
    • Publication number 20080223673
    • Publication date Sep 18, 2008
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Seiji SAWAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hydraulic damping system for vehicle
    • Publication number 20060151270
    • Publication date Jul 13, 2006
    • Kouji Sakai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic shock absorber for vehicle
    • Publication number 20060006030
    • Publication date Jan 12, 2006
    • Masahiro Satou
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Suspension system
    • Publication number 20030132072
    • Publication date Jul 17, 2003
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic piston assembly
    • Publication number 20020179389
    • Publication date Dec 5, 2002
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Reinforcing member for vehicles and vehicle body structure
    • Publication number 20020056969
    • Publication date May 16, 2002
    • Seiji Sawai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Damping arrangement for suspension system
    • Publication number 20020033094
    • Publication date Mar 21, 2002
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Shock absorbing system for four-wheel vehicle
    • Publication number 20010038173
    • Publication date Nov 8, 2001
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Vehicle suspension apparatus
    • Publication number 20010006269
    • Publication date Jul 5, 2001
    • Seiji Sawai
    • B60 - VEHICLES IN GENERAL