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Pat. 9954441 United States, Int. Cl.22 H02M 3/158, H05B 44/00, H02M 3/137, H02M 1/00, H02M 3/335. Method and apparatus of a multi-phase convertor topology : Appl. N 15/497230 : Filed 26.04.2017 : Pub. 24.04.2018 : / Wing Chi Stephen Chan, Siu Hong Lui, Sing Ng, Hon Sheung Liu, Xiacong Liu, Johnkid Lo, Rong Gao ; Assignee Solomon Systech Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9954441/en?oq=US9954441.html (дата обращения: ДД.ММ.ГГГГ).