Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668670 | Zoom lens barrel | Haruki Nakayama, Toshio Imaizumi | 1997-09-16 |
| 5655159 | Camera with zooming lens barrel and coupled view finder | Haruki Nakayama, Satoshi Nakamoto | 1997-08-05 |