Shigehisa Arai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor laser with buffer layer

    • Patent number 4,340,966
    • Issue date Jul 20, 1982
    • Kokusai Denshin Denwa Kabushiki Kaisha
    • Shigeyuki Akiba
    • H01 - BASIC ELECTRIC ELEMENTS