Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054158 | Ventilation fan and ventilation system | Hirosato Sakai, Hidenori Syougen, Nobuyuki Morimoto, Tsuraki Nakajima, Shingo Takenawa +1 more | 2021-07-06 |
| 10965486 | Home electrical appliance management system, outlet plug, home electrical appliance, and control terminal | Masamichi Kachi, Tsuraki Nakajima, Ayumi Konishi, Masato Suzuki | 2021-03-30 |