Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914345 | Grease sealing method and sealing device for ball bearing and ball bearing produced using said sealing method | Hiroshi Araki | 2021-02-09 |
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Norihito Akanuma
Overall (2021): #315,237 of 548,734Top 60%
1
Patents 2021