Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668046 | Transmission type screen apparatus | Tadasu Yatabe | 1987-05-26 |
| 4469402 | Rear projection screen | Yukio Yata, Koichi Inagaki | 1984-09-04 |
YY
Yoshio Yatabe
Overall (All Time): #2,342,936 of 4,157,543Top 60%
2
Patents All Time