Akira Yahagi

Person

  • Shiroishi-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable optical attenuator

    • Patent number 6,950,596
    • Issue date Sep 27, 2005
    • NEC TOKIN Corporation
    • Akira Yahagi
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Variable optical attenuator

    • Publication number 20040101245
    • Publication date May 27, 2004
    • NEC Tokin Corporation
    • Akira Yahagi
    • G02 - OPTICS