Yuka ISHIDA

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing composition for magnetic disk substrate
- Patent number 10,844,243
- Issue date Nov 24, 2020
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Toru Iwata
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
POLISHING COMPOSITION FOR MAGNETIC DISK SUBSTRATE
- Publication number 20190010358
- Publication date Jan 10, 2019
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Toru IWATA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...