Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054158 | Ventilation fan and ventilation system | Hirosato Sakai, Hidenori Syougen, Tsuraki Nakajima, Shingo Takenawa, Masahiro Yamaguchi +1 more | 2021-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054158 | Ventilation fan and ventilation system | Hirosato Sakai, Hidenori Syougen, Tsuraki Nakajima, Shingo Takenawa, Masahiro Yamaguchi +1 more | 2021-07-06 |