Takayasu Asai

Person

  • Ibaraki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Synthetic resin optical fiber

    • Patent number 4,883,338
    • Issue date Nov 28, 1989
    • Hitachi Cable, Ltd. & Hitachi, Ltd.
    • Tomiya Abe
    • G02 - OPTICS