Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703245 | Ventilation system | Yoshitaka Matsugi, Tooru Fujimoto, Kazuhiro Shioyama | 2023-07-18 |
| 11268728 | Ventilation system | Yoshitaka Matsugi, Tooru Fujimoto, Kazuhiro Shioyama | 2022-03-08 |