TREA

Norio Nitta

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  • both Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable electric hammer
    • Patent number D343345
    • Issue date Jan 18, 1994
    • Hitachi Koki Company Limited
    • Yasunori Ogawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric hammer
    • Patent number D335619
    • Issue date May 18, 1993
    • Hitachi Koki Company Limited
    • Yasunori Ogawa
    • D08 - Tools and hardware