Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303087 | Retrofocus type lens | Shingo Hayakawa, Nozomu Kitagishi, Koutaro Yano | 1994-04-12 |
SY
Shouichi Yamazaki
Overall (1994): #67,521 of 165,921Top 45%
1
Patents 1994