Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862202 | Magnification change-over device for camera | Takayuki Tsuboi, Isao Nakazawa, Yasuhisa Sato, Yasuyuki Yamada | 1989-08-29 |
YH
Yoshihiro Harunari
Overall (1989): #41,275 of 140,708Top 30%
1
Patents 1989