TREA

Tetsushi Saito

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  • Iwata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi valve engine with variable valve operation
    • Patent number 5,836,274
    • Issue date Nov 17, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable valve timing mechanism
    • Patent number 5,809,953
    • Issue date Sep 22, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Lubricating arrangement for engine
    • Patent number 5,809,963
    • Issue date Sep 22, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable valve timing mechanism
    • Patent number 5,785,017
    • Issue date Jul 28, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve actuating structure for multi-valve engine
    • Patent number 5,758,612
    • Issue date Jun 2, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hiroyuki Tsuzuku
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Lubricating arrangement for engine
    • Patent number 5,647,315
    • Issue date Jul 15, 1997
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve operating system for multi-valve engine
    • Patent number 5,606,942
    • Issue date Mar 4, 1997
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hiroyuki Tsuzuku
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Lubrication arrangement for engine
    • Patent number RE35382
    • Issue date Nov 26, 1996
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • 123 - Internal-combustion engines
  • Information Patent Grant

    Engine cooling system
    • Patent number 5,503,117
    • Issue date Apr 2, 1996
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Camshaft and accessory drive arrangement for engine
    • Patent number 5,231,961
    • Issue date Aug 3, 1993
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Kazuo Shimada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Lubrication arrangement for engine
    • Patent number 5,161,495
    • Issue date Nov 10, 1992
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve actuating arrangement for engine
    • Patent number 5,125,374
    • Issue date Jun 30, 1992
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tetsushi Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS