Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Li-Ping Sun — 3 Patents in 2017

DEDelta Electronics: 2 patents #23 of 301Top 8%
DCDelta Electronics (Shanghai) Co.: 1 patents #30 of 88Top 35%
Overall (2017): #69,366 of 506,227Top 15%
3 Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9837918 Converter circuit with a switchable topology and method of converting power Yi-Qing Ye, Chao Yan 2017-12-05
9634556 Converter, controller, and control method Chao Yan, Zhi Ding, De-Sheng Guo 2017-04-25
9577528 Power converter De-Sheng Guo, Chao Yan 2017-02-21