Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291160 | Filter arrangement including a non-reversible circuit element, a band-pass filter, and an active circuit | Youhei Ishikawa, Toshio Nishikawa | 1994-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291160 | Filter arrangement including a non-reversible circuit element, a band-pass filter, and an active circuit | Youhei Ishikawa, Toshio Nishikawa | 1994-03-01 |