Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703368 | Passive-type infrared sensor system for detecting human body | Hiroyuki Tomooka | 1997-12-30 |
| 5689235 | Electronic security system | Masahiko Shibata, Yoshihiro Imuro | 1997-11-18 |