Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959493 | Method for polishing glass substrate and process for producing glass substrate | Hiroyuki Tomonaga, Masabumi Ito, Noriaki Shimodaira | 2011-06-14 |
| 7857680 | Method for producing glass substrate for magnetic disk, and magnetic disk | Katsuaki Miyatani, Osamu Miyahara, Yuzuru Tanabe, Hiroshi Usui, Yoshihisa Beppu +5 more | 2010-12-28 |