RC

Renxiang Chen

OE Otis Elevator: 1 patents #73 of 258Top 30%
Overall (2023): #285,195 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11577930 Automatic elevator calling system and a method for controlling automatic calling elevator Wenbo Huang, Xiaofei Guo, Haiyan Xue, Heping Qiu, Lieping Wei +2 more 2023-02-14