Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7508258 | Amplifier circuit | Ryoichi Anzai, Toshiyuki Uchida, Akira Takeda, Minoru Ariyama, Atsushi Igarashi | 2009-03-24 |
| 7479826 | Chopper amplifier circuit and semiconductor device | Ryoichi Anzai, Toshiyuki Uchida, Minoru Ariyama, Atsushi Igarashi, Akira Takeda | 2009-01-20 |
| 6713815 | Semiconductor device with transistors that convert a voltage difference into a drain current difference | Fumiyasu Utsunomiya | 2004-03-30 |
| 6542007 | Inverter circuit | — | 2003-04-01 |
| 6437722 | AD converter circuit | — | 2002-08-20 |
| 6351163 | Reset circuit | Masanao Hamaguchi | 2002-02-26 |
| 6288662 | A/D converter circuit having ladder resistor network with alternating first and second resistors of different resistance values | — | 2001-09-11 |
| 6037836 | Switched-capacitor amplifier circuit | — | 2000-03-14 |
| 5982247 | CR oscillating circuit | Kenichi Kobayashi | 1999-11-09 |