Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709066 | Ventilating fan | Guangmin Zeng, Liang Tian, Yasuhiro Suzuki | 2017-07-18 |
| 9541297 | Heating ventilator for bathroom | Yefan Weng, Liang Tian, Makoto Ishikawa | 2017-01-10 |
| 9347464 | Heating and ventilation fan for bathroom | Yefan Weng, Liang Tian, Shuang Jin, Makoto Ishikawa, Takuya Arai | 2016-05-24 |
| 9194603 | Heating and ventilating fan | Zhicong Zhang, Zhusheng Hu, Yefan Weng, Guangmin Zeng, Liang Tian +1 more | 2015-11-24 |
| 9188361 | Ventilating fan for heating | Guangmin Zeng, Liang Tian, Makoto Ishikawa | 2015-11-17 |