Takehiro Ishihara

Person

  • Tochigi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Retroreflective sheet

    • Patent number 6,520,651
    • Issue date Feb 18, 2003
    • Nippon Carbide Kogyo Kabushiki Kaisha
    • Yukio Yokoyama
    • B44 - DECORATIVE ARTS