Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496057 | Constant current generation circuit, constant voltage generation circuit, constant voltage/constant current generation circuit, and amplification circuit | Atsushi Wada | 2002-12-17 |
| 6437723 | Signal processing circuit and semiconductor integrated circuit converting AC signal using two voltage reference values | Takeshi Otsuka, Atsushi Wada | 2002-08-20 |
| 6403943 | Variable resistance circuit, operational amplification circuit, semiconductor integrated circuit, time constant switching circuit and waveform shaping circuit | Atsushi Wada, Takeshi Otsuka | 2002-06-11 |