Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7299896 | Elevator system having drive motor located adjacent to hoistway door | Leandre Adifon, Richard J. Ericson, Armando Servia, Jose Sevilleja | 2007-11-27 |
| 6305499 | Drum drive elevator using flat belt | Yuji Kanzaki, Tadaaki Nabetani, Toshimitsu Mori, Shusaku Shibasaki, Yasuhisa Shioda +1 more | 2001-10-23 |