TREA

Yuichi Koyama

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  • Machida, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power supply device
    • Patent number 5,119,010
    • Issue date Jun 2, 1992
    • Isuzu Motors Limited
    • Akihiro Shirata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Engine preheating system
    • Patent number 5,050,545
    • Issue date Sep 24, 1991
    • Isuzu Motors, Ltd.
    • Akihiro Shirata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Motor vehicle power supply device
    • Patent number 5,041,776
    • Issue date Aug 20, 1991
    • Isuzu Motors Limited
    • Akihiro Shirata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS