Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650612 | Optical head and recording reproduction method | Keiichi Matsuzaki, Ken'ichi Kasazumi, Tetsuo Saimi | 2003-11-18 |
| 6584059 | Information recording and reproducing apparatus | Tetsuo Saimi, Seiji Nishino, Hidenori Wada, Keiichi Matsuzaki | 2003-06-24 |