Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181149 | Rolling bearing | Keisuke Kojima, Naoki Masuda, Hironori Hiraoka | 2021-11-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181149 | Rolling bearing | Keisuke Kojima, Naoki Masuda, Hironori Hiraoka | 2021-11-23 |