Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271679 | Rolling element bearing | Tadayoshi Itabe, Teruaki Imai, Kenichi Sadakane | 1993-12-21 |
| 5042108 | Suction pipe for a vacuum cleaner | Hiroshi Kawakami | 1991-08-27 |
SY
Shuji Yamazumi
Yaskawa Electric: 1 patents #557 of 1,006Top 60%
Overall (All Time): #2,305,964 of 4,157,543Top 60%
2
Patents All Time