Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841181 | Ceiling mounted ventilation fan with illumination | Qianhao Tan, Pingting Yang, Qiuqian Liang, Yannong Wu, Hitoshi Yoshikawa | 2017-12-12 |
| 9746195 | Ceiling mounted ventilation fan | Yannong Wu | 2017-08-29 |