Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110773 | Seat air-conditioning device | Masafumi Kawashima, Takahisa Fujii | 2021-09-07 |
| 11040642 | Ventilation sheet and seat air conditioner | — | 2021-06-22 |
| 11021085 | Seat air conditioner | Takahisa Fujii | 2021-06-01 |