TREA

Kohei Yokohama

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  • Isehara, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    Lighting Device
    • Publication number 20120097982
    • Publication date Apr 26, 2012
    • Semiconductor Energy Laboratory Co., Ltd
    • Kenichi Wakimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Evaporation Donor Substrate and Method for Manufacturing Light-Emit...
    • Publication number 20090142510
    • Publication date Jun 4, 2009
    • Semiconductor Energy Laboratory Co., Ltd
    • Rena Takahashi
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...