Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11968503 | Current detection circuit, chip, and current detection method used for speaker protection | Haijun Zhang, Liming Du, Jiantao Cheng, Hongjun SUN | 2024-04-23 |
| 11770120 | Bootstrap circuit supporting fast charging and discharging and chip | Haijun Zhang, Liming Du, Jiantao Cheng, Hongjun SUN, Yongqing Qiao | 2023-09-26 |
| 11698393 | Current detection circuit for loudspeaker | Haijun Zhang, Wei Yao, Liming Du, Jiantao Cheng | 2023-07-11 |
| 10992222 | Detection circuit and electronic device using the same | Haijun Zhang, Wei Yao, Jianing Zhou, Liming Du | 2021-04-27 |