Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848031 | Door control device | Hiromitsu Nishikawa, Toshio Yokoo | 1989-07-18 |
JY
Jun Yamagishi
Ohi Seisakusho Co.: 1 patents #6 of 32Top 20%
Overall (1989): #91,304 of 140,708Top 65%
1
Patents 1989