DS

Dan Qing Sha

OE Otis Elevator: 2 patents #650 of 1,840Top 40%
Overall (All Time): #1,788,342 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12151915 Interaction terminal and system for elevator Murilo Bonilha, Yi-Lin Chen, Jin Lei Ding, Jing Long Zhang, Ke Yang 2024-11-26
10450163 Interaction terminal and system for elevator Murilo Bonilha, Yi-Lin Chen, Jin Lei Ding, Jing Long Zhang, Ke Yang 2019-10-22