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Pat. 11201470 United States, Int. Cl.22 H02M 1/42, H02J 3/00, H02J 3/01, H02J 3/14, H02J 3/18, H02M 1/12, H02M 7/493. Power-source power factor control system, phase modifying apparatus, and active filter apparatus : Appl. N 16/608690 : Filed 27.04.2018 : Pub. 14.12.2021 : / Masaki Kono, Reiji Kawashima, Takayuki Fujita ; Assignee Daikin Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11201470/en?oq=US11201470.html (дата обращения: ДД.ММ.ГГГГ).