TREA

Hiroyuki Hasegawa

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  • Hitachinaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric device outputting light, wind, heat or sound
    • Patent number 9,967,920
    • Issue date May 8, 2018
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • F21 - LIGHTING
  • Information Patent Grant

    Engine-powered work tool provided with stand
    • Patent number 9,357,702
    • Issue date Jun 7, 2016
    • Hitachi Koki Co., Ltd.
    • Hideki Watanabe
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Portable electric driver
    • Patent number D749389
    • Issue date Feb 16, 2016
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable cutter
    • Patent number D743226
    • Issue date Nov 17, 2015
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver
    • Patent number D721938
    • Issue date Feb 3, 2015
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Power supply device
    • Patent number D668608
    • Issue date Oct 9, 2012
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Hedge trimmer
    • Patent number D650643
    • Issue date Dec 20, 2011
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric grinder
    • Patent number D623496
    • Issue date Sep 14, 2010
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware

Patents Applicationslast 30 patents