Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D865153 | Ventilating fan | Nobuyuki Mase | 2019-10-29 |
| D865154 | Ventilating fan | Nobuyuki Mase | 2019-10-29 |
| D865155 | Ventilating fan | Nobuyuki Mase | 2019-10-29 |
| D702827 | Ventilation fan | Nobuyuki Mase | 2014-04-15 |