Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441758 | D/A conversion circuit and semiconductor device | Jun Koyama, Mitsuaki Osame, Yukio Tanaka, Naoko Yano, Shou Nagao | 2002-08-27 |
| 6420988 | Digital analog converter and electronic device using the same | Mitsuaki Osame, Yutaka Shionoiri, Shou Nagao | 2002-07-16 |
| 6384808 | Level shifter | — | 2002-05-07 |