Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573578 | Photo semiconductor integrated circuit device and optical recording reproducing apparatus | Kenji Maio, Takeshi Doi, Yoichi Tamaki, Takeshi Shimano | 2003-06-03 |
| 6563099 | Optical information recording/reproducing apparatus, and optical head apparatus | Takeshi Shimano, Tetsuo Ariyoshi | 2003-05-13 |