Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607571 | Polishing composition and method | Masahiro Nozaki, Tadanori Nagao, Yoshiki Hayashi | 2003-08-19 |
| 6488729 | Polishing composition and method | Masahiro Nozaki, Tadanori Nagao, Yoshiki Hayashi | 2002-12-03 |
| 6152976 | Abrasive composition for disc substrate, and process for polishing disc substrate | Norihiko Miyata | 2000-11-28 |
| 5935278 | Abrasive composition for magnetic recording disc substrate | Takanori Kido, Hiromu Sakamoto | 1999-08-10 |
| 5626640 | Composition adapted for use in texturing process for magnetic disc | — | 1997-05-06 |
| 5609657 | Composition for texturing magnetic disk | — | 1997-03-11 |
| 4929257 | Abrasive composition and process for polishing | Kunihiro Miyazaki, Yosinobu Yamaguchi | 1990-05-29 |
| 4915710 | Abrasive composition and process for polishing | Kunihiro Miyazaki, Yoshinobu Yamaguchi | 1990-04-10 |
| 4883502 | Abrasive composition and process for polishing | Kunihiro Miyazaki | 1989-11-28 |