Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853731 | Autofocus camera having automatic focus adjustment apparatus | Masao Tsujimura, Masamichi Hirooka, Kazuo Ishikawa, Takayoshi Morooka, Masaki Noda +2 more | 1989-08-01 |
SY
Seiji Yoshikawa
Overall (1989): #58,236 of 140,708Top 45%
1
Patents 1989