Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887109 | Viewfinder for a camera with changeable focal length | Yoshihiro Fujita, Hiroshi Komatsuzaki, Masao Shoji, Yukio Noguchi, Kazunori Ohno | 1989-12-12 |
MH
Masayoshi Hirai
Overall (1989): #81,203 of 140,708Top 60%
1
Patents 1989