| 11739957 |
Ventilation fan and ventilation system |
Hirosato Sakai, Hidenori Syougen, Nobuyuki Morimoto, Tsuraki Nakajima, Shingo Takenawa +1 more |
2023-08-29 |
| 11609002 |
Ventilation fan and ventilation system |
Hirosato Sakai, Hidenori Syougen, Nobuyuki Morimoto, Tsuraki Nakajima, Shingo Takenawa +1 more |
2023-03-21 |
| 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 |
| 10519961 |
Ventilation device |
Tsuraki Nakajima, Harumoto Itou, Yuusuke URATA |
2019-12-31 |
| 10302321 |
Ventilation fan and ventilation system |
Hirosato Sakai, Hidenori Syougen, Nobuyuki Morimoto, Tsuraki Nakajima, Shingo Takenawa +1 more |
2019-05-28 |
| 10041496 |
Ventilation device |
Tsuraki Nakajima, Harumoto Itou, Masahiro Yamaguchi, Shingo Takenawa, Teikyo Ueno |
2018-08-07 |