Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974368 | Method of producing magnetic hard disk substrate | Hiromitsu Okuyama, Tatsuya Tanifuji | 2005-12-13 |
| 6869340 | Polishing cloth for and method of texturing a surface | Yoshitomo Aoyama | 2005-03-22 |