TREA

Tohru Numaguchi

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve
    • Patent number RE33782
    • Issue date Dec 31, 1991
    • Toyo Engineering Corporation
    • Yuichi Fujita
    • 251 - Valves and valve actuation
  • Information Patent Grant

    Valve
    • Patent number 4,789,132
    • Issue date Dec 6, 1988
    • Toyo Engineering Corporation
    • Yuichi Fujita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...