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Koji Oki

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  • Hyogo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SURFACE LIGHT-EMITTING DEVICE
    • Publication number 20160011360
    • Publication date Jan 14, 2016
    • Yoshinori HASEGAWA
    • G02 - OPTICS
  • Information Patent Application

    LIGHTING DEVICE
    • Publication number 20120102798
    • Publication date May 3, 2012
    • HAYAMIZU DENKI KOGYO KABUSHIKIKAISHA
    • Koji Oki
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS