TREA

Hisao Fujinuma

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens shape measuring apparatus
    • Patent number 6,019,669
    • Issue date Feb 1, 2000
    • Kabushiki Kaisha Topcon
    • Ikuo Kitao
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Lens shape measuring apparatus
    • Patent number 5,984,763
    • Issue date Nov 16, 1999
    • Kabushiki Kaisha Topcon
    • Ikuo Kitao
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Lens shape measuring apparatus
    • Patent number 5,895,314
    • Issue date Apr 20, 1999
    • Kabushiki Kaisha Topcon
    • Ikuo Kitao
    • B24 - GRINDING POLISHING