Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8258455 | Automatic door system with sensor used therein | Yoshinari Kiyomasa | 2012-09-04 |
| 7986220 | Automatic door system | Yoshinari Kiyomasa, Shigeaki Sasaki | 2011-07-26 |
| 6392537 | Remote monitoring system for automatic door systems | Soichi Tazumi | 2002-05-21 |