Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033893 | Grinding method of a disk-shaped substrate and grinding apparatus | Satoshi Fujinami | 2011-10-11 |
| 8029687 | Polishing slurry, production method of glass substrate for information recording medium and production method of information recording medium | Katsuaki Aida, Hiroyuki Machida | 2011-10-04 |
| 7959492 | Disk-shaped substrate inner circumference polishing method | Kunizo Watanabe, Yosuke Sato | 2011-06-14 |