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Tomio Iwai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust system for outboard motor
    • Patent number 5,546,748
    • Issue date Aug 20, 1996
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Automatic position controller for marine propulsions
    • Patent number 5,352,137
    • Issue date Oct 4, 1994
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    V-shaped two cycle engine for outboard
    • Patent number 4,920,933
    • Issue date May 1, 1990
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Two-stroke engine
    • Patent number 4,821,687
    • Issue date Apr 18, 1989
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Marine propulsion device
    • Patent number 4,810,218
    • Issue date Mar 7, 1989
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Smoothing device for rotation of propeller of boat propulsion machine
    • Patent number 4,747,796
    • Issue date May 31, 1988
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Oil remover from exhaust gas of marine propulsion unit
    • Patent number 4,735,046
    • Issue date Apr 5, 1988
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Outboard motor with turbo-charger
    • Patent number 4,677,826
    • Issue date Jul 7, 1987
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Mounting arrangement for outboard drive
    • Patent number 4,673,358
    • Issue date Jun 16, 1987
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Cowling assembly for an outboard engine
    • Patent number 4,661,076
    • Issue date Apr 28, 1987
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Outboard motor with turbo-charger
    • Patent number 4,630,446
    • Issue date Dec 23, 1986
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Speed controller for marine propulsion device
    • Patent number 4,566,415
    • Issue date Jan 28, 1986
    • Sanshin Kogyo Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Outboard engine
    • Patent number 4,493,661
    • Issue date Jan 15, 1985
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Separate lubricating system for outboard engine
    • Patent number 4,403,578
    • Issue date Sep 13, 1983
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake heating system for outboard engine
    • Patent number 4,399,797
    • Issue date Aug 23, 1983
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Lubricating system for outboard engine
    • Patent number 4,372,258
    • Issue date Feb 8, 1983
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Tomio Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS