Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11709515 | Voltage regulator with n-type power switch | Hiroki Asano, Katsuhiko Ariyoshi | 2023-07-25 |
| 11599134 | Low dropout regulator with less quiescent current in dropout region | Hiroki Asano | 2023-03-07 |
| 10585447 | Voltage generator | — | 2020-03-10 |
| 10007289 | High precision voltage reference circuit | Soichiro Ohyama | 2018-06-26 |
| 9621043 | Versatile current sensor for switching regulator | Takashi Kimura, Soichiro Ohyama | 2017-04-11 |
| 9383764 | Apparatus and method for a high precision voltage reference | — | 2016-07-05 |
| 6452458 | Voltage-controlled oscillator | — | 2002-09-17 |
| 6320435 | PLL circuit which can reduce phase offset without increase in operation voltage | — | 2001-11-20 |
| 6255872 | Charge pump circuit for PLL | Hirotaka Harada | 2001-07-03 |
| 5485111 | Power on reset circuit with accurate detection at low voltages | — | 1996-01-16 |
| 5093661 | Resistive string type digital-to-analog converting unit | — | 1992-03-03 |