Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053976 | Double-row cylindrical roller bearing | Tsuguhisa Hagiwara, Yoshiji Nakazawa, Kazuhiko Kurashina | 2021-07-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053976 | Double-row cylindrical roller bearing | Tsuguhisa Hagiwara, Yoshiji Nakazawa, Kazuhiko Kurashina | 2021-07-06 |