Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729542 | Method and apparatus for recording digital information in two-dimensional pattern, carrier of digital information recorded thereby, and a method and apparatus for decoding such digital information | Toshiyuki Iwai, Masahiro Esashi, Hiroaki Niwamoto, Norimasa Yamaguchi, Tsukasa Kaminokado | 2004-05-04 |