SM

Siqi Ma

OE Otis Elevator: 1 patents #73 of 258Top 30%
Overall (2023): #250,883 of 537,848Top 50%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11708237 Communication for elevator service request Kai Li, Haofeng Hou, Fu Qi, Hui Chen 2023-07-25