Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305654 | Fully automatic device for pumping cold air into block-stone subgrade | Yasheng Li, Zhi Wen, Fei Wang | 2025-05-20 |
| 11757419 | Radio frequency power amplifier circuit and gain control method | Zhenfei PENG, Qiang Su | 2023-09-12 |
| 11502651 | Overvoltage protection and gain bootstrap circuit of power amplifier | Zhenfei PENG, Qiang Su | 2022-11-15 |
| 10703580 | Method and apparatus of replenishment in assembly line | Jiao Ye, Jingang Tong, Qiang Jia | 2020-07-07 |
| 5581831 | Ergonomic pillow | — | 1996-12-10 |
| 5533787 | Add-on adjustable back support for car seat | — | 1996-07-09 |