Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9937949 | Electric power steering system | Wataru Yamada | 2018-04-10 |
| 9878735 | Worm reduction gear and steering system | — | 2018-01-30 |
| 9657811 | Worm speed reducer | Jun Hamakita | 2017-05-23 |
| 9638307 | Electric power steering device | Hirotsugu Kusano, Yasutaka Fukumoto | 2017-05-02 |
| 9630647 | Electric power steering system | Yoshitomo NAGAI | 2017-04-25 |
| 9499194 | Electric power steering system | Wataru Yamada, Hirotsugu Kusano, Yoshitomo NAGAI | 2016-11-22 |
| 8096204 | Gear and electric power steering device | Susumu Imagaki, Wataru Yamada | 2012-01-17 |
| 7699709 | Shaft coupling mechanism for electric power steering apparatus | Shuichi Kubota, Takashi Horiguchi, Katsunori Saito | 2010-04-20 |