Katsuhiko Iwashita

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical amplifying apparatus

    • Patent number 6,320,695
    • Issue date Nov 20, 2001
    • The Furukawa Electric Co., Ltd.
    • Kanji Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS