Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496130 | D/A conversion circuit and semiconductor device | — | 2002-12-17 |
| 6489952 | Active matrix type semiconductor display device | Yukio Tanaka | 2002-12-03 |
| 6441758 | D/A conversion circuit and semiconductor device | Jun Koyama, Mitsuaki Osame, Yukio Tanaka, Munehiro Azami, Naoko Yano | 2002-08-27 |
| 6420988 | Digital analog converter and electronic device using the same | Munehiro Azami, Mitsuaki Osame, Yutaka Shionoiri | 2002-07-16 |
| 6380876 | D/A conversion circuit and semiconductor device | — | 2002-04-30 |