Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744705 | Optical disc recording and reproducing apparatus | Masanobu Shimizu, Kazuhiro Teshirogi | 2004-06-01 |
| 6700841 | Optical-disc recording and reproducing apparatus | Masanobu Shimizu, Kazuhiro Teshirogi | 2004-03-02 |