Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848031 | Door control device | Jun Yamagishi, Hiromitsu Nishikawa | 1989-07-18 |
TY
Toshio Yokoo
Ohi Seisakusho Co.: 1 patents #94 of 196Top 50%
Overall (All Time): #3,932,690 of 4,157,543Top 95%
1
Patents All Time