Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11557963 | Charge-pump control circuit and battery control circuit | — | 2023-01-17 |
| 11539227 | Charge/discharge control circuit and battery device | Takashi Ono | 2022-12-27 |
| 8403559 | Two-terminal semiconductor sensor device | — | 2013-03-26 |
| 8206031 | PDM output temperature sensor | — | 2012-06-26 |
| 7692476 | Temperature compensating circuit | — | 2010-04-06 |
| 7508258 | Amplifier circuit | Hirokazu Yoshizawa, Toshiyuki Uchida, Akira Takeda, Minoru Ariyama, Atsushi Igarashi | 2009-03-24 |
| 7479826 | Chopper amplifier circuit and semiconductor device | Hirokazu Yoshizawa, Toshiyuki Uchida, Minoru Ariyama, Atsushi Igarashi, Akira Takeda | 2009-01-20 |