Kunio Kosaki

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous ink composition for writing instruments
- Patent number 4,163,675
- Issue date Aug 7, 1979
- Pilot Ink Co., Ltd.
- Katsumi Hirano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...