Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7362180 | Protection circuit of digital amplifier | Masao Noro | 2008-04-22 |
| 6831657 | Display control apparatus for displaying gain setting value in predetermined color hue | Kazumasu Tsutsumi, Tomoaki Makino, Hiroyuki Fujita | 2004-12-14 |