TREA

Kouichi Hasegawa

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Active noise cancellation apparatus
    • Patent number 9,648,418
    • Issue date May 9, 2017
    • Sumitomo Riko Company Limited
    • Hiroshi Iwamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Active vibration noise suppression apparatus
    • Patent number 9,344,795
    • Issue date May 17, 2016
    • Sumitomo Riko Company Limited
    • Hiroshi Iwamoto
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Power seat device
    • Patent number 9,283,869
    • Issue date Mar 15, 2016
    • Sumitomo Riko Company Limited
    • Masanori Yamamoto
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER SEAT DEVICE
    • Publication number 20150108818
    • Publication date Apr 23, 2015
    • SUMITOMO RIKO COMPANY LIMITED
    • Masanori YAMAMOTO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ACTIVE NOISE CANCELLATION
    • Publication number 20140348338
    • Publication date Nov 27, 2014
    • Hiroshi IWAMOTO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE VIBRATION NOISE SUPPRESSION APPARATUS
    • Publication number 20140286500
    • Publication date Sep 25, 2014
    • Hiroshi IWAMOTO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS