FQ

Fu Qi

OE Otis Elevator: 1 patents #94 of 284Top 35%
Overall (2022): #452,676 of 548,613Top 85%
1
Patents 2022

Issued Patents 2022

Patent #TitleCo-InventorsDate
11505425 Wireless signal device, system and method for elevator service request Hui Chen, Shenhong Wang, Siqi Ma 2022-11-22