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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QL

Qiwei Liu — 13 Patents

Amazon: 8 patents #1,976 of 19,158Top 15%
GCGd Midea Air-Conditioning Equipment Co.: 3 patents #57 of 249Top 25%
MCMidea Group Co.: 2 patents #230 of 926Top 25%
Huawei: 2 patents #5,512 of 15,535Top 40%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Qiwei Liu has been granted 13 US patents while listed as an inventor at Amazon. The first was granted in 2013 and the most recent in September 2025. Qiwei Liu ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Qiwei Liu in Longbeilingcun, CA, CN.

Patents per Year

Patents granted per year, 2013 to 2025Bar chart with a peak of 3 patents in 2018.peak 32013: 1 patents20132015: 1 patents20152018: 3 patents20182019: 1 patents20192020: 3 patents20202022: 1 patents20222024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12422163 Air conditioner, control method for air conditioner, and computer-readable storage medium Ansheng JI, Peng Xie, Jian He, Fuxing ZHAI, Hui Zheng +3 more 2025-09-23
12372266 Air conditioner, air conditioner control method, and computer-readable storage medium Ansheng JI, Guojian CAI, Shunkai DU, Fuxing ZHAI, Jian He +1 more 2025-07-29
12169073 Breezeless structure for air conditioner and air conditioner having the same Zhengqing Yi, Ansheng JI, Peng Xie, Fuxing ZHAI, Shaosheng GUO +1 more 2024-12-17
11240630 Time-restricted location-based service zone management Sergey Parshin, Jon Robert Ducrou, Ryan Hapgood, Raymond H. Smith, James Michael Sutula +1 more 2022-02-01 $135,875,000
10779111 High density location-based service zone management for a geographic region Sergey Parshin, Ronen Barenboim, Michael Bowerman, Jon Robert Ducrou, Ryan Hapgood +2 more 2020-09-15 $196,268,000
10757531 Time-restricted location-based service zone management Sergey Parshin, Jon Robert Ducrou, Ryan Hapgood, Raymond H. Smith, James Michael Sutula +1 more 2020-08-25 $258,335,000
10531372 Location-based service zone cluster management and monitoring Sergey Parshin, Ronen Barenboim, Michael Bowerman, Jon Robert Ducrou, Ryan Hapgood +2 more 2020-01-07 $97,183,000
10462604 High density location-based service zone management for a geographic region Sergey Parshin, Ronen Barenboim, Michael Bowerman, Jon Robert Ducrou, Ryan Hapgood +2 more 2019-10-29 $88,044,000
10129694 High density location-based service zone management for a geographic region Sergey Parshin, Ronen Barenboim, Michael Bowerman, Jon Robert Ducrou, Ryan Hapgood +2 more 2018-11-13 $93,426,000
10104605 Location-based service zone management for a geographic region Sergey Parshin, Jon Robert Ducrou, Ryan Hapgood, Raymond H. Smith, James Michael Sutula +1 more 2018-10-16 $83,507,000
9973892 Location-based service zone management for multiple providers Sergey Parshin, Jon Robert Ducrou, Ryan Hapgood, Raymond H. Smith, James Michael Sutula +1 more 2018-05-15 $78,225,000
9160895 Method and apparatus for quickly responding to signal Zhe Li, Kun Wang, Jiayin Lu 2015-10-13
8468286 Variable-frequency bus adapter, adapting method and system Cong Yao, Yu Liu, Xiang Li, Liqian Chen, Shiming He +1 more 2013-06-18