Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7768348 | High-frequency circuit | — | 2010-08-03 |
| 7646252 | Amplifier for use in radio-frequency band | — | 2010-01-12 |
| 7286072 | Analog-to digital converter and analog-to digital conversion apparatus | Kohji Sakata, Atsushi Wada | 2007-10-23 |
| 7215196 | Variable impedance circuit, variable gain differential amplifier, multiplier, high-frequency circuit and differential distributed amplifier | Norihiro Nikai | 2007-05-08 |
| 6956435 | Variable gain differential amplifier and multiplication circuit | — | 2005-10-18 |
| 6933783 | Variable gain differential amplifier and multiplication circuit | — | 2005-08-23 |
| 6927633 | High frequency circuit with thin film resistor | Yasuhiro Kaizaki | 2005-08-09 |
| 6218890 | Switching circuit device and semiconductor device | Tsutomu Yamaguchi, Tetsuro Sawai, Hisanori Uda | 2001-04-17 |
| 5724459 | Optical modulation device and fiber optic communication system | Minoru Sawada, Yasoo Harada | 1998-03-03 |
| 5446425 | Floating potential conductor coupled quarter-wavelength coupled line type directional coupler comprising cut portion formed in ground plane conductor | — | 1995-08-29 |