Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404009 | Polishing composition for hard disk substrate | Masahiko Suzuki, Makoto Suzuki | 2013-03-26 |
| 7780751 | Polishing composition for hard disk substrate | Shigeo Fujii | 2010-08-24 |
| 7303601 | Polishing composition | Yoshiaki Oshima, Toshiya Hagihara | 2007-12-04 |
| 7014534 | Method for manufacturing substrate | Yoshiaki Oshima, Kazuhiko Nishimoto, Toshiya Hagihara | 2006-03-21 |
| 6910952 | Polishing composition | Yoshiaki Oshima, Toshiya Hagihara | 2005-06-28 |