Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086058 | Extended depth of field using a multi-focal length lens with a controlled range of spherical aberration and a centrally obscured aperture | Wanli Chi | 2011-12-27 |
| 7898746 | Extended depth-of-field lenses and methods for their design, optimization and manufacturing | Xi Chen | 2011-03-01 |