Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11680628 | Ball screw device | Kazuya Yamada, Yuji Shimomura, Yasuaki Abe | 2023-06-20 |
| 11662003 | Ball screw device | Kazuya Yamada, Yuji Shimomura, Yasuaki Abe | 2023-05-30 |
| 11384821 | Ball screw device | Yasuaki Abe, Kazuya Yamada, Motoshi Sakai | 2022-07-12 |