Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11196427 | Charge pump circuit, PLL circuit, and oscillator | Akio Tsutsumi, Hisahiro Ito, Yasunari Furuya | 2021-12-07 |
| 11165433 | Charge pump, PLL circuit, and oscillator | Hisahiro Ito | 2021-11-02 |