Wataru Goto

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Photomask blank and phase shift photomask

    • Patent number 5,419,988
    • Issue date May 30, 1995
    • Dai Nippon Printing Co., Ltd.
    • Hiroshi Mohri
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents