Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847648 | Varifocal camera | Kohichi Nishi, Ikuya Tsurukawa, Kosaku Sawabe | 1989-07-11 |
| 4831399 | Finder switching apparatus for camera | Ikuya Tsurukawa, Kohichi Nishi | 1989-05-16 |
KY
Kunihisa Yamaguchi
Overall (1989): #21,708 of 140,708Top 20%
2
Patents 1989