Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7061310 | All-pass filter circuit | — | 2006-06-13 |
| 6194959 | Active filter circuit | Mitsumo Kawano | 2001-02-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7061310 | All-pass filter circuit | — | 2006-06-13 |
| 6194959 | Active filter circuit | Mitsumo Kawano | 2001-02-27 |