Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751140 | Cutting tool and spline processing method | Ryousuke Imai, Yoshimasa Yamada, Koichi Nabeshima | 2017-09-05 |
| 9005038 | Rotation transmitting apparatus, vehicle steering system, and intermediate shaft | Koichi Nabeshima, Yoshimasa Yamada, Ryousuke Imai | 2015-04-14 |
| 8007551 | Super finishing stone and super finishing method | Takeshi Takahashi, Yoshihiro Oono, Takeshi Kimura | 2011-08-30 |