Dan Qing Sha — 2 Patents at Otis Elevator

Dan Qing Sha has been granted 2 US patents while listed as an inventor at Otis Elevator. The first was granted in 2019 and the most recent in November 2024. Dan Qing Sha ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dan Qing Sha in Shanghai, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
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

Dan Qing Sha — 2 Patents

Issued Patents All Time

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