Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6678412 | Method for detecting a two-dimensional code existing area, method reading two-dimensional code, and a recording medium storing related programs | Masami Tanaka, Tadao Nojiri, Masahiro Iida | 2004-01-13 |