Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409487 | Method for manufacturing ring member for bearing, and mold for inversion working | Nobuyuki Hagiwara | 2025-09-09 |
| 12409488 | Method for manufacturing bearing ring member | Nobuyuki Hagiwara | 2025-09-09 |