Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932677 | Polishing pad, method of manufacturing glass substrate for use in data recording medium using the pad, and glass substrate for use in data recording medium obtained by using the method | Hirokazu Tajima | 2005-08-23 |