Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642947 | Balls for ball bearing | Yoshinobu Akamatsu, Katsuyoshi Yoshimura, Katsunori Makino | 1997-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642947 | Balls for ball bearing | Yoshinobu Akamatsu, Katsuyoshi Yoshimura, Katsunori Makino | 1997-07-01 |