Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209613 | Crown-shaped retainer for ball bearing and ball bearing | Yoshimune Shimokawa | 2025-01-28 |
YI
Yasuhiro Iwanaga
Overall (2025): #167,182 of 469,880Top 40%
1
Patents 2025