Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911274 | Variable transconductance circuit | Hiroyasu Morikawa, Masamichi Katada | 2011-03-22 |
| 7486139 | Variable transconductance circuit | Hiroyasu Morikawa, Masamichi Katada | 2009-02-03 |