Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824207 | Lens barrel | Shigeru Kamata | 1989-04-25 |
HN
Hidefumi Notagashira
Overall (1989): #104,494 of 140,708Top 75%
1
Patents 1989