Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8148046 | Optical disk storage medium | — | 2012-04-03 |
| 6930967 | Optical disc recording/reproducing apparatus that records/reproduces data after finalizing process | Yoshiaki Suzuki | 2005-08-16 |