Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861145 | Small-size zoom lens of widely variable magnification | — | 1989-08-29 |
SK
Shuichi Kikuchi
Overall (1989): #57,604 of 140,708Top 45%
1
Patents 1989