Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405925 | Autodiscrimination and line drawing techniques for code readers | Duanfeng He, Joseph Cai | 2002-06-18 |
| 6340114 | Imaging engine and method for code readers | Mark Correa, Rubin Gelles, Duanfeng He, Yajun Li, Mehul Patel +1 more | 2002-01-22 |
| 6340119 | Techniques for reading two dimensional code, including MaxiCode | Duanfeng He, Kevin Hunter | 2002-01-22 |
| 6336587 | Optical code reader for producing video displays and measuring physical parameters of objects | Duanfeng He, Howard Shepard | 2002-01-08 |