Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WC

Wei-How Chan — 2 Patents

RTRichtek Technology: 2 patents #184 of 459Top 45%
Zhubei City, TW: #657 of 1,506 inventorsTop 45%
Overall (All Time): #2,113,833 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8076917 Buck switching regulator with improved mode transition and control method thereof Chieh-Min Feng, Kuo-Lung Tseng, Jian-Rong Huang 2011-12-13
8049478 Switching regulator and method for eliminating beat oscillation Kuo-Lung Tseng, Chieh-Min Feng 2011-11-01