Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706145 | Erasing head | Yasuyuki Hirabayashi | 1987-11-10 |
JS
Juro Sugiura
Overall (All Time): #3,985,287 of 4,157,543Top 100%
1
Patents All Time