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Pat. 10276298 United States, Int. Cl.22 H01F 27/28, H01F 5/00, H01F 17/04, H01F 27/29, H01F 27/32, H01F 27/40, H01F 30/10, H02M 3/28, H05K 1/02, H01F 19/08. Transformer, and switching power supply and isolator including transformer : Appl. N 15/541450 : Filed 13.04.2016 : Pub. 30.04.2019 : / Hiroshi Kawada, Minoru Kumahara, Takahiro Miyatake, Yoshiyuki Kajimoto ; Assignee Panasonic Intellectual Property Management Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10276298/en?oq=US10276298.html (дата обращения: ДД.ММ.ГГГГ).