Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834514 | Zoom lens mount assembly | Toshikatsu Atsuta, Fumio Shinzawa, Eiki Matsuo, Toshiaki Koinuma | 1989-05-30 |
SH
Shiroshita Hirotaka
Overall (1989): #137,599 of 140,708Top 100%
1
Patents 1989