Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631828 | Ventilating fan | Bodong Zhong, Jiahan Hong, Shi Zhen, Shouyong Gao, Hideki Hayashi | 2017-04-25 |
| 9533179 | Fire damper for ventilating fan | Guancheng Hou | 2017-01-03 |
| 9534802 | Ventilation device | Bodong Zhong, Jiahan Hong, Shi Zhen, Norihiko Hasegawa, Ryuuma Yokoyama | 2017-01-03 |