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Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 12,362,660 "Power Converter Controlled Capacitor Circuits and Methods" on July 15, 2025 to Yan-Fei Liu. The patent relates to AC-DC supplies, specifically to circuits and methods for reducing or eliminating low-frequency AC ripple in the DC output of AC-DC power supplies.

U.S. Patent No. 12,362,660 (2.5 MB, PDF)