Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8348721 | Method of producing glass substrate for perpendicular magnetic recording disk | Yuji Horie, Noriyuki Kumasaka | 2013-01-08 |
| 7790046 | Method of texturing | Yuji Horie, Hiromitsu Okuyama | 2010-09-07 |
| 6974368 | Method of producing magnetic hard disk substrate | Yuji Horie, Hiromitsu Okuyama | 2005-12-13 |