Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701209 | Lens barrel having a manually focusing ring | Koushi Yoshibe | 1997-12-23 |
| 5663839 | Zoom lens barrel having a rotatable diaphragm mechanism and a mechanism for correcting an aperture diameter during zooming | — | 1997-09-02 |
| 5592191 | Display apparatus | Akira Tsuboyama, Katsuhiro Miyamoto, Atsushi Mizutome, Hiroshi Inoue, Kazunori Katakura | 1997-01-07 |