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Pat. 10652997 United States, Int. Cl.22 H05K 1/02, H01L 25/00, H02M 7/00, H02M 7/5387, H05K 1/18, H02P 27/06. Switching power supply device : Appl. N 16/270517 : Filed 07.02.2019 : Pub. 12.05.2020 : / Akitaka Yoshikawa, Tatehiko Inoue, Hisazumi Watanabe ; Assignee Panasonic Intellectual Property Management Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10652997/en?oq=US10652997.html (дата обращения: ДД.ММ.ГГГГ).