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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Guoying Yi — 3 Patents

O2O2Micro: 2 patents #94 of 174Top 55%
MPMaxim Integrated Products: 1 patents #560 of 945Top 60%
Milpitas, CA: #1,317 of 3,192 inventorsTop 45%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Guoying Yi has been granted 3 US patents while listed as an inventor at O2Micro. The first was granted in 2013 and the most recent in August 2019. Guoying Yi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Guoying Yi in Milpitas, CA, US.

Patents per Year

Patents granted per year, 2013 to 2019Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132015: 1 patents20152019: 1 patents2019

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10396582 Master slave charging architecture with communication between chargers Rudy Kurniawan, Yayue Zhang, Sungil Ha, Haitao Hu, Guang Zhang +3 more 2019-08-27 $20,310,000
9018917 Power management systems with charge pumps Marian Niculae, Alexandru Hartular, Dan Simion 2015-04-28
8450977 Power management systems with charge pumps Marian Niculae, Alexandru Hartular, Dan Simion 2013-05-28