Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10071884 | Detection of state of engagement between step and comb plate of passenger conveyor | Jianguo Li, Alois Senger, Jianwei Zhao, Zhaoxia Hu, Qiang Li +7 more | 2018-09-11 |
| 7202615 | Tubular linear synchronous motor control for elevator doors | Christophe Durand, Levent Gosterisli, Thomas He, Pascal Rebillard, Vlad Zaharia | 2007-04-10 |
| 6943508 | Tubular linear synchronous motor control for elevator doors | Christophe Durand, Levent Gosterisli, Thomas He, Pascal Rebillard, Vlad Zaharia | 2005-09-13 |
| 6483047 | Elevator brake load weighing system | Vlad Zaharia | 2002-11-19 |