Masaji Yamamoto

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink composition for indicating progress and completion of vulcaniza...
- Patent number 4,605,441
- Issue date Aug 12, 1986
- Sakura Color Products Corporation
- Yoshiaki Masuda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Erasable ink composition for writing on an impervious surface
- Patent number 4,256,494
- Issue date Mar 17, 1981
- Sakura Color Products Corp.
- Masaji Yamamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...