Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548139 | Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same | Hiroyuki Sakai, Katsutoshi Ono | 2003-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548139 | Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same | Hiroyuki Sakai, Katsutoshi Ono | 2003-04-15 |