Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475338 | Active filter circuit of a capacity ground type | — | 1995-12-12 |
| 5313122 | Capacity ground type filter circuit | — | 1994-05-17 |
| 5206606 | Control circuit for signal level | Takeshi Ikeda, Osamu Yoshioka | 1993-04-27 |
| 5124761 | Semiconductor apparatus | Toshitaka Senuma | 1992-06-23 |