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Yoshihiro Kawakita

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  • Yokohama-Shi, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    INK COMPOSITION FOR WATER-BASED BALLPOINT PEN
    • Publication number 20150040797
    • Publication date Feb 12, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Hiroyuki Itou
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    WATER-BASED INK COMPOSITION FOR BALLPOINT PEN
    • Publication number 20130087070
    • Publication date Apr 11, 2013
    • Hiroyuki Itou
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...