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Pat. 10069320 United States, Int. Cl.22 H02J 7/00, A24F 40/53, A24F 40/90, H02M 3/156, H02M 3/158. Electronic cigarette with miniaturized charging and discharging integrated circuit therefor : Appl. N 14/734172 : Filed 09.06.2015 : Pub. 04.09.2018 : / Yongbin Cai, Chen Zhao ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10069320/en?oq=US10069320.html (дата обращения: ДД.ММ.ГГГГ).