TREA

Hideki Yamada

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable electric hammer drill
    • Patent number D799929
    • Issue date Oct 17, 2017
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric hammer drill
    • Patent number D719428
    • Issue date Dec 16, 2014
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware