Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854681 | Compact zoom lens | Masatake Kato, Sadahiko Tsuji, Kazuo Tanaka | 1989-08-08 |
MS
Muneharu Sugiura
Overall (1989): #74,287 of 140,708Top 55%
1
Patents 1989