TREA

Kunihiko Shirahata

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  • Yamagata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical device
    • Patent number 10,249,840
    • Issue date Apr 2, 2019
    • Pioneer Corporation
    • Yuji Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 10,008,686
    • Issue date Jun 26, 2018
    • Pioneer Corporation
    • Yuji Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 9,831,460
    • Issue date Nov 28, 2017
    • Pioneer Corporation
    • Kenichi Okuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 9,825,248
    • Issue date Nov 21, 2017
    • Pioneer Corporation
    • Yuji Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 9,786,865
    • Issue date Oct 10, 2017
    • Pioneer Corporation
    • Hiroki Tan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of forming an organic EL panel
    • Patent number 7,641,530
    • Issue date Jan 5, 2010
    • Tohoku Pioneer Corporation
    • Toshinao Yuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic EL element and method of producing the same
    • Patent number 7,038,372
    • Issue date May 2, 2006
    • Tohoku Pioneer Corporation
    • Toshinao Yuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic EL display apparatus and method of driving the same
    • Patent number 7,023,140
    • Issue date Apr 4, 2006
    • Tohoku Pioneer Corporation
    • Toshinao Yuki
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Organic electroluminescent display panel and its manufacturing method
    • Patent number 6,624,567
    • Issue date Sep 23, 2003
    • Tohoku Pioneer Corporation
    • Kenichi Nagayama
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents