Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7550790 | D/A conversion circuit and semiconductor device | Jun Koyama, Mitsuaki Osame, Yukio Tanaka, Munehiro Azami, Shou Nagao | 2009-06-23 |
| 7184017 | D/A conversion circuit and semiconductor device | Jun Koyama, Mitsuaki Osame, Yukio Tanaka, Munehiro Azami, Shou Nagao | 2007-02-27 |
| 6911926 | D/A conversion circuit and semiconductor device | Jun Koyama, Mitsuaki Osame, Yukio Tanaka, Munehiro Azami, Shou Nagao | 2005-06-28 |
| 6738005 | D/A conversion circuit and semiconductor device | Jun Koyama, Mitsuaki Osame, Yukio Tanaka, Munehiro Azami, Shou Nagao | 2004-05-18 |
| 6441758 | D/A conversion circuit and semiconductor device | Jun Koyama, Mitsuaki Osame, Yukio Tanaka, Munehiro Azami, Shou Nagao | 2002-08-27 |