Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893387 | Roller elements for roller bearing | Yoshinobu Akamatsu, Toshihide Goto, Kenji Hibi, Toshihiko Matsushima | 1990-01-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893387 | Roller elements for roller bearing | Yoshinobu Akamatsu, Toshihide Goto, Kenji Hibi, Toshihiko Matsushima | 1990-01-16 |