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USPTO Patent Rankings Data through Dec 31, 2025
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YiChun Yan — 1 Patent

General Motors: 1 patents #9,441 of 18,328Top 55%
Shanghai, CN: #10,789 of 19,267 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
YiChun Yan has been granted 1 US patent while listed as an inventor at General Motors. All of these patents were granted in 2024. YiChun Yan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list YiChun Yan in Shanghai, CN.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12009489 Desulfation of lead acid batteries using electrolyte agitator Dave G. Rich, Saad Hasan, Lyall Kenneth Winger, Varsha Sadekar 2024-06-11 $23,771,000

Frequent Collaborators

Varsha Sadekar1 shared
Saad Hasan1 shared
Lyall Kenneth Winger1 shared
Dave G. Rich1 shared

Nearby-Ranked Inventors

Andrew Whitesides Lloyd1
Xianwu Meng1
Phillip COLETTI1
Yuchen Mao1
Sheng'an ZHANG1
Hayeong Nam1
Pedro Fernando Gomez Fernandez1
Kira Astakhova1
Amir EISEN1