Misao Oyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink for ball point pen
- Patent number 5,942,027
- Issue date Aug 24, 1999
- Mitsubishi Pencil Kabushiki Kaisha
- Takayuki Ikai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...