TREA

Mitsuo Okada

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Authentication system, authentication method, and application provi...
    • Patent number 11,539,690
    • Issue date Dec 27, 2022
    • Capy Japan Inc.
    • Kazuhiro Nakagawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    User authentication method, evaluation device, non-transitory compu...
    • Patent number 11,153,312
    • Issue date Oct 19, 2021
    • Capy Japan Inc.
    • Takanobu Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

    Fuel cell power generating system
    • Patent number 4,988,580
    • Issue date Jan 29, 1991
    • Toyo Engineering Corporation
    • Kozo Ohsaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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...

Patents Applicationslast 30 patents