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Tomoyoshi Koyanagi

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  • Shizuoka-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hull behavior control system and marine vessel
    • Patent number 11,987,340
    • Issue date May 21, 2024
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Ritsu Kadota
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Hull behavior control system and marine vessel
    • Patent number 11,964,742
    • Issue date Apr 23, 2024
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Ritsu Kadota
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Unmanned aerial vehicle control system and unmanned aerial vehicle...
    • Patent number 11,755,035
    • Issue date Sep 12, 2023
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Steering force detection device for steering handle of vehicle
    • Patent number 7,430,466
    • Issue date Sep 30, 2008
    • Yamaha Marine Kabushiki Kaisha
    • Yoshiyuki Kaneko
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Steering-force detection device for steering handle of vehicle
    • Patent number 7,337,739
    • Issue date Mar 4, 2008
    • Yamaha Marine Kabushiki Kaisha
    • Yoshiyuki Kaneko
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Load detector and transport equipment including the same
    • Patent number 7,320,251
    • Issue date Jan 22, 2008
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshinori Harada
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Hull for personal watercraft
    • Patent number 6,116,182
    • Issue date Sep 12, 2000
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Ride plate for watercraft
    • Patent number 6,101,965
    • Issue date Aug 15, 2000
    • Yamaha Hadsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Hull construction for small watercraft
    • Patent number 6,058,873
    • Issue date May 9, 2000
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Watercraft component layout
    • Patent number 5,879,211
    • Issue date Mar 9, 1999
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Engine start system for a small boat
    • Patent number 5,873,322
    • Issue date Feb 23, 1999
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Small watercraft seat
    • Patent number 5,752,867
    • Issue date May 19, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Ride plate
    • Patent number D392936
    • Issue date Mar 31, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • D12 - Transportation
  • Information Patent Grant

    Control for jet powered watercraft
    • Patent number 5,607,332
    • Issue date Mar 4, 1997
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Noboru Kobayashi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Watercraft
    • Patent number 5,586,921
    • Issue date Dec 24, 1996
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Noboru Kobayashi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Watercraft
    • Patent number 5,586,922
    • Issue date Dec 24, 1996
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Noboru Kobayashi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Control for jet powered watercraft
    • Patent number 5,494,464
    • Issue date Feb 27, 1996
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Noboru Kobayashi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Watercraft
    • Patent number 5,449,305
    • Issue date Sep 12, 1995
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Noboru Kobayashi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Control for watercraft
    • Patent number 5,429,533
    • Issue date Jul 4, 1995
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Noboru Kobayashi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Jet propelled watercraft
    • Patent number 5,376,028
    • Issue date Dec 27, 1994
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomoyoshi Koyanagi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Ladder arrangement for a watercraft
    • Patent number 5,123,372
    • Issue date Jun 23, 1992
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Noboru Kobayashi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents