Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780005 | Sealed thrust ball bearing | Kazuo Uchida | 1988-10-25 |
HT
Hiroyuki Toyoshima
Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #3,961,585 of 4,157,543Top 100%
1
Patents All Time