Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842388 | Single optical lense with diffraction limit converging capability and wide field angle | Yasuo Nakajima, Yoshitomi Nagaoka | 1989-06-27 |
YT
Yasuhiro Tanaka
Overall (1989): #41,708 of 140,708Top 30%
1
Patents 1989