Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624408 | Shaft coupling | Naofumi KAWAMURA | 2023-04-11 |
| 9061698 | Speed reducer and electric power steering system | Yuji Wakugawa, Ryuji Nakata, Atsuhiro Yoshida, Wataru Yamada, Jun Hamakita | 2015-06-23 |