Junichiro ANDO

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing composition for magnetic disc substrate
- Patent number 10,233,357
- Issue date Mar 19, 2019
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Junichiro Ando
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polishing composition for magnetic disc substrate
- Patent number 10,233,358
- Issue date Mar 19, 2019
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Junichiro Ando
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
POLISHING COMPOSITION FOR MAGNETIC DISK SUBSTRATE
- Publication number 20210198524
- Publication date Jul 1, 2021
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Junichiro Ando
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
POLISHING COMPOSITION FOR MAGNETIC DISK SUBSTRATE
- Publication number 20180371293
- Publication date Dec 27, 2018
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Junichiro Ando
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLISHING COMPOSITION FOR MAGNETIC DISC SUBSTRATE
- Publication number 20180057712
- Publication date Mar 1, 2018
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Junichiro Ando
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLISHING COMPOSITION FOR MAGNETIC DISC SUBSTRATE
- Publication number 20170321086
- Publication date Nov 9, 2017
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Junichiro ANDO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...