Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Qing-Hua Su — 7 Patents

DEDelta Electronics: 6 patents #304 of 2,746Top 15%
BLBcd Semiconductor Manufacturing Limited: 1 patents #36 of 73Top 50%
Overall (All Time): #709,328 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11539285 DC-to-DC converter Da Jin, Ya-Hong Xiong 2022-12-27
11527963 Control unit for improving conversion efficiency Da Jin, Xue-Liang Chang, Ya-Hong Xiong 2022-12-13
11496057 Converter for improving conversion efficiency Da Jin, Ya-Hong Xiong 2022-11-08
11283360 Converter Da Jin, Ya-Hong Xiong 2022-03-22
11070135 Converter with soft-start period of output voltage Da Jin, Ya-Hong Xiong 2021-07-20
11063522 Converter for improving conversion efficiency Da Jin, Xue-Liang Chang, Ya-Hong Xiong 2021-07-13
7864550 Power adapter with voltage-stabilized compensation Jian-Hua Duan, Rui-Xia Fei, Shao-Hua Fang 2011-01-04