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

Yi Chai — 8 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Microsoft: 2 patents #17,644 of 40,388Top 45%
CUChongqing University: 1 patents #143 of 514Top 30%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Yi Chai has been granted 8 US patents while listed as an inventor at IBM. The first was granted in 2014 and the most recent in June 2025. Yi Chai ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Yi Chai in Chongqing, WA, CN.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 3 patents in 2024.peak 32014: 1 patents20142019: 1 patents20192024: 3 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12320693 Method and system for detecting dirt on electrode of electromagnetic flowmeter Ke Zhang, Yalin Qian, Huaxiang Pu, Jialu WANG, Qianqian Song +3 more 2025-06-03
D1070822 Earphone cover 2025-04-15
12254079 Providing system services Naijie Li, Min Cheng, Kui Zhang, Guang Han Sui 2025-03-18
D1053172 Earphone cover 2024-12-03
D1016049 Earphone cover 2024-02-27
11907711 Fast porting of projects Shuang Shuang Jia, Xiao-Yu Li, Xin Zhao, Li Cao, Jiangang Deng +3 more 2024-02-20 $7,691,000
10305768 Page phase time Chao Feng 2019-05-28 $58,441,000
8626909 Page phase time Chao Feng 2014-01-07 $21,622,000