Masaaki Otani

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermosensitive recording materials

    • Patent number 4,996,183
    • Issue date Feb 26, 1991
    • Mitsubishi Paper Mills, Limited
    • Masaaki Otani
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS