TREA

Masaru Ichikawa

Follow

Person

  • Yokohama, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Spectacle frame
    • Patent number 4,494,831
    • Issue date Jan 22, 1985
    • Nippon Kogaku K.K.
    • Kenichi Yaguchi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Light-intercepting blade for a light control device
    • Patent number 4,482,231
    • Issue date Nov 13, 1984
    • Nippon Kogaku K.K.
    • Hironobu Kato
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY