TREA

Tatsuro Yamada

Follow

Person

  • Yamanashi-ken, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Light emitting diode
    • Patent number D995455
    • Issue date Aug 15, 2023
    • Citizen Electronics Co., Ltd.
    • Takahiro Hori
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    LED module
    • Patent number 10,026,877
    • Issue date Jul 17, 2018
    • Citizen Electronics Co., Ltd.
    • Takashi Akiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting diode
    • Patent number D807837
    • Issue date Jan 16, 2018
    • Citizen Electronics Co., Ltd.
    • Yasuaki Kayanuma
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light-emitting diode
    • Patent number D807838
    • Issue date Jan 16, 2018
    • Citizen Electronics Co., Ltd.
    • Yasuaki Kayanuma
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    LED driver circuit
    • Patent number 9,860,944
    • Issue date Jan 2, 2018
    • Citizen Electronics Co., Ltd.
    • Takashi Akiyama
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Light-emitting device and lighting appliance including the light-em...
    • Patent number 9,841,171
    • Issue date Dec 12, 2017
    • Citizen Electronics Co., Ltd.
    • Tatsuro Yamada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Light-emitting diode
    • Patent number D803170
    • Issue date Nov 21, 2017
    • Citizen Electronics Co., Ltd.
    • Yasuaki Kayanuma
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light-emitting diode
    • Patent number D802544
    • Issue date Nov 14, 2017
    • Citizen Electronics Co., Ltd.
    • Satoshi Goto
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light-emitting diode
    • Patent number D801290
    • Issue date Oct 31, 2017
    • Citizen Electronics Co., Ltd.
    • Satoshi Goto
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light-emitting diode
    • Patent number D791089
    • Issue date Jul 4, 2017
    • Citizen Electronics Co., Ltd.
    • Satoshi Goto
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light-emitting diode
    • Patent number D786808
    • Issue date May 16, 2017
    • Citizen Electronics Co., Ltd.
    • Yasuaki Kayanuma
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Light-emitting diode
    • Patent number D762182
    • Issue date Jul 26, 2016
    • Citizen Electronics Co., Ltd.
    • Takashi Akiyama
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    LED drive circuit
    • Patent number 9,277,615
    • Issue date Mar 1, 2016
    • Citizen Holdings Co., Ltd.
    • Keisuke Sakai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Film-shaped lightguide plate unit, planar light unit, display appar...
    • Patent number 8,854,574
    • Issue date Oct 7, 2014
    • Citizens Electronics Co., Ltd.
    • Yoshitake Horiuchi
    • G02 - OPTICS
  • Information Patent Grant

    Sheet-shaped lightguide member, operation panel-lighting device and...
    • Patent number 7,988,310
    • Issue date Aug 2, 2011
    • Citizen Electronics Co., Ltd.
    • Tatsuro Yamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Planar light-emitting device and display apparatus having the same
    • Patent number 7,705,931
    • Issue date Apr 27, 2010
    • Citizen Electronics Co., Ltd.
    • Daisaku Okuwaki
    • G02 - OPTICS

Patents Applicationslast 30 patents