TREA

Masaki Hirai

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  • Okaya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery pack
    • Patent number D727254
    • Issue date Apr 21, 2015
    • Seiko Epson Corporation
    • Yoshiki Kinoshita
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Battery pack
    • Patent number D686981
    • Issue date Jul 30, 2013
    • Seiko Epson Corporation
    • Akira Koyabu
    • D13 - Equipment for production, distribution, or transformation of energy