The patent moat of BYD dmi super hybrid system is extremely deep, and there are extremely high patent barriers for other car manufacturers to launch similar systems.
As early as 2007, BYD applied for the invention patent of dmi prototype, which was officially authorized on 20 12. You can go to the National Patent Office to inquire about CN101314325a.
As the first inventor's hybrid invention patent, Wang Chuanfu can thoroughly understand the essence of dmi hybrid and know where BYD patented moat is.
BYD basically applied for the patents of direct-drive engine, hybrid precursor, hybrid four-wheel drive and plug-in. In the patent of hybrid technology, it is quite difficult for other car manufacturers to bypass BYD's existing hybrid patent.