Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871906 | Focus detecting device using correlation | Kouichi Ueda, Akihiro Fujiwara, Masamichi Toyama, Kunihiko Yamada | 1989-10-03 |
HS
Hirofumi Suda
Overall (1989): #104,091 of 140,708Top 75%
1
Patents 1989