TREA

Hiroyuki Kizawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,711,586
    • Issue date Dec 8, 1987
    • Seikosha Co., Ltd.
    • Hiroyuki Kizawa
    • G04 - HOROLOGY
  • Information Patent Grant

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    • Patent number 4,706,238
    • Issue date Nov 10, 1987
    • Seikosha Co., Ltd.
    • Hiroyuki Kizawa
    • G04 - HOROLOGY
  • Information Patent Grant

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    • Patent number 4,702,616
    • Issue date Oct 27, 1987
    • Seikosha Co., Ltd.
    • Hiroyuki Kizawa
    • G04 - HOROLOGY