Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952314 | Method of manufacturing ND filter, and aperture device and camera having ND filter | Michio Yanagi, Fumie Ishii, Takayuki Wakabayashi | 2005-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952314 | Method of manufacturing ND filter, and aperture device and camera having ND filter | Michio Yanagi, Fumie Ishii, Takayuki Wakabayashi | 2005-10-04 |