Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661437 | Negative feedback variable gain amplifier circuit | Tsuneo Tokumitsu | 1997-08-26 |
| 5634208 | Multilayer transmission line using ground metal with slit, and hybrid using the transmission line | Ichihiko Toyoda, Tsuneo Tokumitsu, Kenji Kamogawa | 1997-05-27 |