Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198426 | Hybrid vehicle | Kisaburo Hayakawa, Yoshiaki Ito, Hiroyuki Yamaguchi, Hideto Inagaki, Masaki Okamura | 2021-12-14 |
| 10556593 | Series hybrid vehicle | Yoshiaki Ito, Kisaburo Hayakawa, Hiroyuki Yamaguchi, Hideto Inagaki, Masaki Okamura | 2020-02-11 |
| 9789785 | Driving power distribution device | Hideo Nakai, Yoshihiro Mizuno, Eiji Tsuchiya | 2017-10-17 |
| 8310181 | Motor drive system using potential at neutral point | Makoto Taniguchi, Kazunari Moriya, Takaji Umeno | 2012-11-13 |
| 8294322 | Rotating electrical machine | Hideo Nakai, Takaji Umeno, Eiji Yamada, Kazutaka Tatematsu, Norimoto Minoshima +3 more | 2012-10-23 |