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Akihiro Koike

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diamond circular saw blade
    • Patent number D422865
    • Issue date Apr 18, 2000
    • Osaka Diamond Industrial Co., Ltd.
    • Akihiro Koike
    • D08 - Tools and hardware
  • Information Patent Grant

    Diamond circular saw blade
    • Patent number D392864
    • Issue date Mar 31, 1998
    • Osaka Diamond Industrial Co., Ltd.
    • Akihiro Koike
    • D08 - Tools and hardware