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 | Shigeharu Kimura, Takeshi Doi, Yoichi Tamaki, Takeshi Shimano | 2003-06-03 |
| 6509854 | DA conversion circuit | Motohiko Morita | 2003-01-21 |