Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085639 | Information reproducing device | — | 2011-12-27 |
| 8027233 | Optical disk device | Tetsuo Ashizawa | 2011-09-27 |
| 8004443 | Information readout apparatus and information reproducing method | — | 2011-08-23 |
| 7978578 | Optical disc device and defect detection method for optical disc medium | Yasuo Ogasawara | 2011-07-12 |