TREA

Maretsugu Okubo

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Remote control unit
    • Patent number D448757
    • Issue date Oct 2, 2001
    • Nippon Columbia Co., Ltd.
    • Maretsugu Okubo
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable recording and playback device
    • Patent number D443259
    • Issue date Jun 5, 2001
    • Nippon Columbia Co., Ltd.
    • Maretsugu Okubo
    • D14 - Recording, communication, or information retrieval equipment