Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12109608 | Method of manufacturing steering shaft | Takateru Seki, Takeo Okabe | 2024-10-08 |
| 11807312 | Power steering device | Keisuke KITAMURA, Kohtaro Shiino, Osamu Yoshida, Tatsuyoshi Maruyama | 2023-11-07 |
| 11192574 | Steering device | Keisuke KITAMURA, Osamu Yoshida | 2021-12-07 |