Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975227 | Method for controlling coming and going personnel, and a system thereof | Sakae Gotou, Yasunobu Fujita | 2005-12-13 |
| 6940067 | Hazardous material detection system | Keiko Nakashige, Seiji Tanaka, Hiroyuki Fujita, Toshio Iwasaki | 2005-09-06 |