Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882616 | Optical recording medium with high density track pitch and optical disk device for recording and playback of the same | Isao Ichimura, Kiyoshi Osato, Jun Nakano | 2005-04-19 |