Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742940 | Shading device and lens barrel | Norikatsu Konno, Hitoshi Imanari, Kazumitsu Takezawa | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742940 | Shading device and lens barrel | Norikatsu Konno, Hitoshi Imanari, Kazumitsu Takezawa | 2004-06-01 |