Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709066 | Ventilating fan | Hongjian Yuan, Liang Tian, Yasuhiro Suzuki | 2017-07-18 |
| 9194603 | Heating and ventilating fan | Hongjian Yuan, Zhicong Zhang, Zhusheng Hu, Yefan Weng, Liang Tian +1 more | 2015-11-24 |
| 9188361 | Ventilating fan for heating | Hongjian Yuan, Liang Tian, Makoto Ishikawa | 2015-11-17 |