TREA

Shigeru Akiyama

Follow

Person

  • Iwata, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Compact power supply and lubricant affording device therefor
    • Patent number 5,212,952
    • Issue date May 25, 1993
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas engine
    • Patent number 5,012,781
    • Issue date May 7, 1991
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas powered engine with glow plug ignition
    • Patent number 4,989,573
    • Issue date Feb 5, 1991
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cooling device for engine
    • Patent number 4,958,599
    • Issue date Sep 25, 1990
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS