Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330884 | Pickup arm device | Hiroshi Yasuda, Yukihiro Fukushima | 1982-05-18 |
SO
Shuichi Obata
Overall (1982): #31,133 of 81,411Top 40%
1
Patents 1982