Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991881 | Switching circuit | Hyoungjun Na, Ken TOSHIYUKI | 2018-06-05 |
| 9692405 | Switching circuit | Hyoungjun Na, Ken TOSHIYUKI | 2017-06-27 |
| 7733082 | Signal transmission device | — | 2010-06-08 |
| 4623852 | Voltage controlled oscillator having frequency independent of process parameters | Keiko Chikaoka | 1986-11-18 |
| 4623851 | Voltage controlled oscillator using flip-flop controlled switching circuits | — | 1986-11-18 |
| 4551683 | Switched capacitor filter circuit | Kenji Matsuo | 1985-11-05 |
| 4546327 | Analog signal power amplifier circuit | Yasoji Suzuki, Itsuo Sasaki | 1985-10-08 |
| 4524328 | MOS Power amplifier circuit | Itsuo Sasaki | 1985-06-18 |
| 4524329 | Operational amplifier circuit | — | 1985-06-18 |