Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434690 | Two-dimensional code having rectangular region provided with specific patterns for specification of cell positions and distinction from background | Takao Ushijima, Hiroaki Mizukoshi | 2013-05-07 |
| 8424775 | Two-dimensional code having rectangular region provided with specific patterns to specify cell positions and distinction from background | Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Takao Ushijima, Masahiro Hara | 2013-04-23 |
| 8413909 | Two-dimensional code having rectangular region provided with specific patterns to specify cell positions and distinction from background | Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Takao Ushijima, Masahiro Hara | 2013-04-09 |
| 8397999 | Two-dimensional code having rectangular region provided with specific patterns to specify cell positions and distinction from background | Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Takao Ushijima, Masahiro Hara | 2013-03-19 |
| 8235303 | Two-dimensional code having rectangular region provided with specific patterns to specify cell positions and distinction from background | Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Takao Ushijima, Masahiro Hara | 2012-08-07 |