TREA

Toshitugu Ishizawa

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  • Higashi-murayama, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil seal assembly
    • Patent number 4,028,022
    • Issue date Jun 7, 1977
    • Nissan Motor Co., Ltd.
    • Hiroshi Takeuchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Suction system of internal combustion engine
    • Patent number 3,935,842
    • Issue date Feb 3, 1976
    • Nissan Motor Co., Ltd.
    • Toshitugu Ishizawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS