Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689464 | Worm speed reducer and method for manufacturing worm wheel included in worm speed reducer | — | 2017-06-27 |
| 9657811 | Worm speed reducer | Arata Kikuchi | 2017-05-23 |
| 9061698 | Speed reducer and electric power steering system | Yuji Wakugawa, Ryuji Nakata, Atsuhiro Yoshida, Wataru Yamada, Hideyuki Honkado | 2015-06-23 |
| 8991277 | Worm wheel | Michitoshi Mitsumaru | 2015-03-31 |
| 8813904 | Electric power steering system | Michitoshi Mitsumaru, Yoshitomo NAGAI | 2014-08-26 |
| 8567553 | Electric power steering system | Takehito Tomita | 2013-10-29 |
| 8459402 | Electric power steering system | Hirotsugu Kusano | 2013-06-11 |
| 8381868 | Electric power steering system | — | 2013-02-26 |