Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560016 | Zoom lens and photographing apparatus using the same | Fumiaki Usui, Ryuji Nurishi | 2003-05-06 |
| 6545818 | Zoom lens and camera system | Fumiaki Usui, Takahiro Yoshimi | 2003-04-08 |