Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11089709 | Vehicular control device | Taketo Nishikawa | 2021-08-10 |
| D734263 | Controller for railway vehicle | Hidetoshi Sumita, Yasuaki Mamoto | 2015-07-14 |
| D693766 | Auxiliary power-supply for vehicle | Masami Hirotomi | 2013-11-19 |
| D691559 | Controller for railway vehicle | Tetsuya Takahashi, Hidetoshi Sumita | 2013-10-15 |