Kenji Sugiyama

Person

  • Yokosuka-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Tube lamp and luminaire

    • Patent number 8,864,511
    • Issue date Oct 21, 2014
    • Toshiba Lighting & Technology Corporation
    • Keiichi Shimizu
    • F21 - LIGHTING

Patents Applicationslast 30 patents