TREA

Chiaki OBATA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Daylighting system
    • Patent number 10,400,969
    • Issue date Sep 3, 2019
    • Dai Nippon Printing Co., Ltd.
    • Masayuki Sekido
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Daylighting system
    • Patent number 10,006,598
    • Issue date Jun 26, 2018
    • Dai Nippon Printing Co., Ltd.
    • Masayuki Sekido
    • F21 - LIGHTING
  • Information Patent Grant

    Daylighting system
    • Patent number 9,719,644
    • Issue date Aug 1, 2017
    • Dai Nippon Printing Co., Ltd.
    • Masayuki Sekido
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    DAYLIGHTING SYSTEM
    • Publication number 20180283635
    • Publication date Oct 4, 2018
    • DAI NIPPON PRINTING CO., LTD.
    • Masayuki SEKIDO
    • F21 - LIGHTING
  • Information Patent Application

    DAYLIGHTING SYSTEM
    • Publication number 20170299135
    • Publication date Oct 19, 2017
    • DAI NIPPON PRINTING CO., LTD.
    • Masayuki SEKIDO
    • F21 - LIGHTING
  • Information Patent Application

    DAYLIGHTING SYSTEM
    • Publication number 20160186949
    • Publication date Jun 30, 2016
    • DAI NIPPON PRINTING CO., LTD.
    • Masayuki SEKIDO
    • F21 - LIGHTING