Siqi Ma — 9 Patents at Otis Elevator

Siqi Ma has been granted 9 US patents while listed as an inventor at Otis Elevator. The first was granted in 2020 and the most recent in February 2025. Siqi Ma ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Siqi Ma in Shanghai, CN.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
12234122	Authorization management and authorization request of elevator service request	Yang Yang, Yu Zhang, Kai Li, Haofeng Hou	2025-02-25
12103818	Bluetooth module of elevator system	Hui Chen, Kai Li, Shenhong Wang	2024-10-01
12043517	Authorization management and authorization request of elevator service request	Kai Li, Yang Yang, Haofeng Hou	2024-07-23
11939186	Wireless signal device, system and method for elevator service request	Kai Li, Shenhong Wang, Haofeng Hou, Fu Qi	2024-03-26
11708237	Communication for elevator service request	Kai Li, Haofeng Hou, Fu Qi, Hui Chen	2023-07-25
11524866	Testing for wireless beacons of elevator system and field installation of the elevator system	Kai Li, Yang Yang, Yu Zhang, Haofeng Hou	2022-12-13
11505425	Wireless signal device, system and method for elevator service request	Hui Chen, Shenhong Wang, Fu Qi	2022-11-22
11357852	Diglycosylated benzophenoxazine photosensitizer and preparation method and use thereof	Jing Chen, Jinhua Huang, Jian Kang, Zhen Wang, An Liu +10 more	2022-06-14
10645543	Elevator service requesting based on social media application module	Hui Chen, Shenhong Wang, Fu Qi	2020-05-05

Siqi Ma — 9 Patents

Issued Patents All Time

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