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Atsushi Hotta

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  • Higashikurume, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Echo cancellation device
    • Patent number 9,530,428
    • Issue date Dec 27, 2016
    • Mitsubishi Electric Corporation
    • Tomoharu Awano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Audio signal encoding apparatus
    • Patent number 6,577,252
    • Issue date Jun 10, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Atsushi Hotta
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Light transmitting tube
    • Patent number 6,236,797
    • Issue date May 22, 2001
    • Bridgestone Corporation
    • Atsushi Hotta
    • G02 - OPTICS
  • Information Patent Grant

    Branched type light transmission system
    • Patent number 5,933,560
    • Issue date Aug 3, 1999
    • Bridgestone Corporation
    • Minoru Ishiharada
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide tube
    • Patent number 5,737,471
    • Issue date Apr 7, 1998
    • Bridgestone Corporation
    • Hideo Sugiyama
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide tube and method of making
    • Patent number 5,684,913
    • Issue date Nov 4, 1997
    • Bridgestone Corporation
    • Hideo Sugiyama
    • G02 - OPTICS

Patents Applicationslast 30 patents