Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756910 | Sensor for automatic doors | Hiroyuki Ohba, Osamu Imanishi, Mataichi Kurata | 2004-06-29 |
| 5812058 | Security sensor with built-in sight | Tadashi Sugimoto, Mataichi Kurata | 1998-09-22 |
| 5689235 | Electronic security system | Tadashi Sugimoto, Masahiko Shibata | 1997-11-18 |
| 5489892 | Infrared human detector not barred by an intervening obstruction | Hiroyuki Tomooka | 1996-02-06 |
| 5334972 | Infrared intruder-detection system | Tadashi Sugimoto, Shigeki Nishimura, Tatsuya Arimoto | 1994-08-02 |