TREA

Ikuo Tofukuji

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  • Okaya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fine surface profile measuring apparatus
    • Patent number 4,971,445
    • Issue date Nov 20, 1990
    • Olympus Optical Co., Ltd.
    • Eiichi Sato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Lens barrel
    • Patent number 4,508,443
    • Issue date Apr 2, 1985
    • Olympus Optical Co., Ltd.
    • Minoru Matsuzaki
    • G02 - OPTICS