TREA

Katsuyuki Tomonaga

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Controller for battery
    • Patent number D675160
    • Issue date Jan 29, 2013
    • SANYO Electric Co., Ltd.
    • Yosuke Tanaka
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Battery for an electric bicycle
    • Patent number D638787
    • Issue date May 31, 2011
    • Sanyo Electric Co., Ltd.
    • Yosuke Tanaka
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Controller for electric bicycle
    • Patent number D637528
    • Issue date May 10, 2011
    • Sanyo Electric Co., Ltd.
    • Yosuke Tanaka
    • D12 - Transportation
  • Information Patent Grant

    Battery for an electric bicycle
    • Patent number D632643
    • Issue date Feb 15, 2011
    • Sanyo Electric Co., Ltd.
    • Yosuke Tanaka
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Hub motor for electric bicycle
    • Patent number D625333
    • Issue date Oct 12, 2010
    • Sanyo Electric Co., Ltd.
    • Yosuke Tanaka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Electric bicycle
    • Patent number D621303
    • Issue date Aug 10, 2010
    • Sanyo Electric Co., Ltd.
    • Yosuke Tanaka
    • D12 - Transportation
  • Information Patent Grant

    Electric bicycle
    • Patent number D621302
    • Issue date Aug 10, 2010
    • Sanyo Electric Co., Ltd.
    • Yosuke Tanaka
    • D12 - Transportation
  • Information Patent Grant

    Electric bicycle
    • Patent number D614084
    • Issue date Apr 20, 2010
    • Sanyo Electric Co., Ltd.
    • Yosuke Tanaka
    • D12 - Transportation