Yunru Chen — 1 Patent in 2023

OEOtis Elevator: 1 patents #73 of 258Top 30%

Overall (2023): #190,788 of 537,848Top 40%

1 Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11834301	Guide device for an elevator car and elevator system	Bichun Li, Shenhong Wang	2023-12-05