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Pat. 11158893 United States, Int. Cl.22 H01M 10/63, H01M 10/48, H01M 10/615, H01M 10/625, B60L 58/27, H02M 3/158, H02P 5/74. Battery heating device : Appl. N 16/661543 : Filed 23.10.2019 : Pub. 26.10.2021 : / Naoyoshi Takamatsu ; Assignee Toyota Motor Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11158893/en?oq=US11158893.html (дата обращения: ДД.ММ.ГГГГ).