Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7639583 | Optical disk device | Yasuhiro Wada | 2009-12-29 |
| 7570552 | Optical disk apparatus which changes a tilt value of an objective lens and method of recording with such optical disk apparatus | Satoshi Iwasaki, Shinji Matsumoto | 2009-08-04 |