characterised by the electroconductive means or additives

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of preparing and using a plastic mask for paste printing

    • Patent number 6,170,394
    • Issue date Jan 9, 2001
    • Ricoh Microelectronics Co., Ltd.
    • Makoto Kinoshita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of fabricating plastic mask for paste printing, plastic mask...

    • Patent number 6,063,476
    • Issue date May 16, 2000
    • Ricoh Microelectronics Co., Ltd.
    • Makoto Kinoshita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of fabricating plastic mask for paste printing with an excim...

    • Patent number 5,887,520
    • Issue date Mar 30, 1999
    • Ricoh Microelectronics Co., Ltd.
    • Makoto Kinoshita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for electric recording

    • Patent number 4,358,474
    • Issue date Nov 9, 1982
    • Sekisui Kagaku Kogyo Kabushiki Kaisha
    • Shiro Nakano
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electric recording material

    • Patent number 4,308,314
    • Issue date Dec 29, 1981
    • Sekisui Kagaku Kogyo Kabushiki Kaisha
    • Shiro Nakano
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3593660

    • Patent number 3,593,660
    • Issue date Jul 20, 1971
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3562003

    • Patent number 3,562,003
    • Issue date Feb 9, 1971
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3509088

    • Patent number 3,509,088
    • Issue date Apr 28, 1970
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3283704

    • Patent number 3,283,704
    • Issue date Nov 8, 1966
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    3151548

    • Patent number 3,151,548
    • Issue date Oct 6, 1964
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2664043

    • Patent number 2,664,043
    • Issue date Dec 29, 1953
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2500617

    • Patent number 2,500,617
    • Issue date Mar 14, 1950
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS