Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chi-Ming Mai — 1 Patent in 2021

DEDelta Electronics: 1 patents #98 of 378Top 30%
Taoyuan, TW: #368 of 1,146 inventorsTop 35%
Overall (2021): #497,928 of 548,734Top 95%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11139678 Power supply system with automatic transfer switches Chih-Ming Wu, Yu-Ruei Zeng 2021-10-05