Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12027959 | Portable generator having axially spaced cooling fans | Takafumi Kotani, Wataru Matsuyama, Masahiro Takahashi | 2024-07-02 |
| 11750049 | Rotating electrical machine | Hiroya Takahashi, Takafumi Kotani, Wataru Matsuyama | 2023-09-05 |