Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7143948 | Reading method of the two-dimensional bar code | Tsutomu Nakazawa, Youji Takei, Masanobu Kiyama | 2006-12-05 |
| 7106902 | Personal authentication system and method thereof | Tsutomu Nakazawa, Youji Takei, Masanobu Kiyama | 2006-09-12 |
| 6297746 | Centralized apparatus control system for controlling a plurality of electrical apparatuses | Tsutomu Nakazawa, Osamu Ishikawa, Ryouichi Watanabe, Takao Suzuki | 2001-10-02 |
| 5204664 | Display apparatus having a look-up table for converting pixel data to color data | — | 1993-04-20 |