TREA

Masaharu Ogata

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Stencil printing machine
    • Patent number 6,477,946
    • Issue date Nov 12, 2002
    • Riso Kagaku Corporation
    • Masaharu Ogata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Stencil printing machine
    • Patent number 6,311,614
    • Issue date Nov 6, 2001
    • Riso Kagaku Corporation
    • Masaharu Ogata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Pressure printing apparatus
    • Patent number 5,647,274
    • Issue date Jul 15, 1997
    • Riso Kagaku Corporation
    • Akira Yasuda
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS