Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162152 | Bearing bushing for track, and method for producing the same | Yusuke Kondo, Eiji Amada | 2021-11-02 |
| 11040401 | Throwaway insert and method of grinding cutting edge of throwaway insert | — | 2021-06-22 |
| 10965498 | Communication relay apparatus and air-conditioning system | Katsuhiro Hirose, Koji RIKUKAWA, Jun Someya | 2021-03-30 |