Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933031 | Optical information recording medium and its manufacturing method | Hiroyuki Ohta | 2005-08-23 |
| 6894962 | Optical information recording medium with sector address information | Kenichi Nishiuchi | 2005-05-17 |