Hisao Houjyo

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for forming pattern films

    • Patent number 5,071,671
    • Issue date Dec 10, 1991
    • Seiko Instruments Inc.
    • Yoshitomo Nakagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for forming pattern film

    • Patent number 4,874,632
    • Issue date Oct 17, 1989
    • Seiko Instruments, Inc.
    • Yoshitomo Nakagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY