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Pat. 11031807 United States, Int. Cl.22 H04Q 9/08, H01M 10/42, H01M 10/44, H01M 10/48, H02J 3/14, H02J 3/38, H02J 7/02, H02J 7/35, H02J 9/06, H02M 7/68. Power supply device and power supply system : Appl. N 16/313698 : Filed 07.06.2017 : Pub. 08.06.2021 : / Tetsuo Akita, Naoki Ayai ; Assignee Sumitomo Electric Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11031807/en?oq=US11031807.html (дата обращения: ДД.ММ.ГГГГ).