Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149749 | Impeller, impeller blade wheel, air-blowing device, and method of manufacturing air-blowing device | Hidehiko Hidaka, Toshihiro Kawahara | 2021-10-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149749 | Impeller, impeller blade wheel, air-blowing device, and method of manufacturing air-blowing device | Hidehiko Hidaka, Toshihiro Kawahara | 2021-10-19 |