Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808014 | Attaching structure for ceramics bearing | Kouichi Ueda, Hiroaki Takebayashi, Kazuo Rokkaku | 1989-02-28 |
KY
Kouichi Yamauchi
Koyo Seiko Co.: 3 patents #150 of 749Top 25%
Panasonic: 3 patents #7,617 of 21,108Top 40%
Overall (All Time): #156,045 of 4,157,543Top 4%
26
Patents All Time