Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162152 | Bearing bushing for track, and method for producing the same | Kazuo Maeda, Eiji Amada | 2021-11-02 |
| 10987778 | Method of forming fine dimples in a hard-brittle material surface | Keiji Mase, Shozo Ishibashi | 2021-04-27 |