Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964697 | Lens barrel having circuit board with polygonal aperture | — | 1990-10-23 |
| 4639083 | Lens mounting | Hiroshi Yamamoto | 1987-01-27 |
YF
Yutaka Fuziwara
Overall (All Time): #2,326,594 of 4,157,543Top 60%
2
Patents All Time