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Hayao Akaba

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  • Akishima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for automatically grinding lenses
    • Patent number 4,217,736
    • Issue date Aug 19, 1980
    • Kabushiki Kaisha Hoya Lens
    • Hayao Akaba
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Lensmeter
    • Patent number 4,203,666
    • Issue date May 20, 1980
    • Hoya Lens Corporation
    • Tadao Ii
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Drilling machine
    • Patent number 4,163,622
    • Issue date Aug 7, 1979
    • Hoya Lens Corporation
    • Hayao Akaba
    • B28 - WORKING CEMENT, CLAY, OR STONE