Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197089 | Sound generating device | Yiming Meng, Guqing Zhang | 2021-12-07 |
| D926413 | Hand-pulled folding car | — | 2021-07-27 |
| D922020 | Multi-functional folding cart | — | 2021-06-08 |
| D921321 | Folding cart | — | 2021-06-01 |
| 10965273 | Wideband piezoelectric filter with ladder-structure | Yunzhuo Zheng | 2021-03-30 |
| 10909299 | Method for stabilizing bandgap voltage | Jing Feng, Xiaohong Jiang, Ching Hwa Tey | 2021-02-02 |