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Shigeyasu Inoue

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Penpoint tip and an applicator having the tip incorporated therein
    • Patent number 6,494,634
    • Issue date Dec 17, 2002
    • Sakura Color Products Corporation
    • Shigeyasu Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ink applicator, ink backflow prevention mechanism of ink applicator...
    • Patent number 6,283,662
    • Issue date Sep 4, 2001
    • Sakura Color Products Corporation
    • Shigeyasu Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electrophoretic coloring composition
    • Patent number 6,200,446
    • Issue date Mar 13, 2001
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Aqueous pigment dispersion composition for electro-deposition color...
    • Patent number 6,036,767
    • Issue date Mar 14, 2000
    • Sakura Color Products Corporation
    • Shigeyasu Inoue
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous ball point ink composition
    • Patent number 5,712,328
    • Issue date Jan 27, 1998
    • Sakura Color Products Corporation
    • Shigeyasu Inoue
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid applicator
    • Patent number 5,709,492
    • Issue date Jan 20, 1998
    • Sakura Color Products Corp.
    • Masahiro Yasunaga
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pigment dispersion composition
    • Patent number 5,585,189
    • Issue date Dec 17, 1996
    • Sakura Color Products Corporation
    • Hiroshi Inoue
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Writing implement and a fabricating method thereof
    • Patent number 5,348,411
    • Issue date Sep 20, 1994
    • Kabushiki Kaisha Sakura Kurepasu
    • Tatsuya Ozu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing inplement with magnetic closure
    • Patent number 5,022,775
    • Issue date Jun 11, 1991
    • Kabushiki Kaisha Sakura Kurepasu
    • Shigeyasu Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for preventing drying of ink in writing instrument
    • Patent number 4,911,571
    • Issue date Mar 27, 1990
    • Sakura Color Products Corporation
    • Shigeyasu Inoue
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Aqueous ink compositions for ball-point pens
    • Patent number 4,545,818
    • Issue date Oct 8, 1985
    • United Kingdom Atomic Energy Authority
    • Shigeyasu Inoue
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous ink composition
    • Patent number 4,308,061
    • Issue date Dec 29, 1981
    • Sakura Color Products Corporation
    • Masaru Iwahashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...