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Pat. 11387794 United States, Int. Cl.22 H02M 7/537, H02M 7/493, H03F 3/193, H03F 3/217, H03H 7/38, H02M 7/48. Power amplifier circuit including multiple inverters connected in parallel : Appl. N 16/729544 : Filed 30.12.2019 : Pub. 12.07.2022 : / Takanari Sasaya, Tetsuo Hirano, Takashi Ohira, Naoki Sakai, Takaaki Masaki ; Assignee Toyohashi University of Technology Nuc, Denso Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11387794/en?oq=US11387794.html (дата обращения: ДД.ММ.ГГГГ).