Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10782042 | Ventilation control apparatus and ventilation system | Masayuki Sasaki | 2020-09-22 |
| 10684028 | Pipe shield of ventilating apparatus | Donghai Liu, Jianqiang Wu, Jiahan Hong, Masato Suzuki | 2020-06-16 |