Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1062809 | Portable refrigerator | — | 2025-02-18 |
| 6333579 | Stator for outer rotor-type multi-pole generator | Hidetoshi Hirano | 2001-12-25 |
| 6091172 | Coil connecting structure in outer rotor-type multi-pole generator | Seiichi Kakinuma, Hidetoshi Hirano, Tsutomu Hirano, Motohiro Shimizu | 2000-07-18 |