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Masao Matsukawa

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  • Higashimatsuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Paper suitable for ink fusion transfer type thermal printer and cop...
    • Patent number 5,320,898
    • Issue date Jun 14, 1994
    • Sanyo-Kokusaku Pulp Co., Ltd.
    • Yoshio Yoshida
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording materials
    • Patent number 4,743,580
    • Issue date May 10, 1988
    • Sanyo-Kokusaku Pulp Co., Ltd.
    • Norikazu Kasamatsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 4,622,566
    • Issue date Nov 11, 1986
    • Sanyo-Kokusaku Pulp Co., Ltd.
    • Norikazu Kasamatsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording materials
    • Patent number 4,570,169
    • Issue date Feb 11, 1986
    • Sanyo-Kokusaku Pulp Co., Ltd.
    • Norikazu Kasamatsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 4,339,492
    • Issue date Jul 13, 1982
    • Sanyo-Kokusaku Pulp Co., Ltd.
    • Hisashi Mino
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive recording material
    • Patent number 4,321,309
    • Issue date Mar 23, 1982
    • Sanyo-Kokusaku Pulp Co., Ltd.
    • Hisashi Mino
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS