Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040173 | Reference signal generator circuit with filter-less quadrature mixers for wide-band applications | Masayuki Ikebe, Eiichi Sano | 2011-10-18 |
| 7724099 | High frequency oscillator circuit with feedback circuit of fet and short-stub transmission line | Eiichi Sano | 2010-05-25 |
| 7482879 | Variable gain amplifier and communication apparatus | Kunihiko Iizuka, Hiroshi Kawamura | 2009-01-27 |
| 7417486 | Voltage-current conversion circuit, amplifier, mixer circuit, and mobile appliance using the circuit | Kunihiko Iizuka | 2008-08-26 |