Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721979 | Document illuminating apparatus | Shuichi Ohtsuka | 1988-01-26 |
YK
Yutaka Kohrogi
Overall (All Time): #3,945,870 of 4,157,543Top 95%
1
Patents All Time