TREA

Kentaro Takahashi

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  • Ohmiya, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Relative combination of a cylinder and a seal ring for internal com...
    • Patent number 4,079,720
    • Issue date Mar 21, 1978
    • Nippon Piston Ring Co., Ltd.
    • Kentaro Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring
    • Patent number 3,988,119
    • Issue date Oct 26, 1976
    • Nippon Piston Ring Co., Ltd.
    • Kentaro Takahashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES