Maytaku System

Organization

  • Shiga, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Surface light source panel

    • Patent number 4,985,809
    • Issue date Jan 15, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Hirokazu Matsui
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS