Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362609 | Motor with an air-core coil and back yoke to reduce eddy current losses | Yoichi Sekii, Hiroaki Hirano | 2025-07-15 |
| 12323032 | Motor | Tomohiro Hasegawa, Yoichi Sekii, Masahiro OTANI, Hiroaki Hirano | 2025-06-03 |
| 8386105 | Fuel cell vehicle | Hibiki Saeki | 2013-02-26 |