leashine cũng có bằng sáng chế , có điều đăng kí ở china
drive analog
https://docs.google.com/viewer?url=p...201490955U.pdf

drive dsp
https://docs.google.com/viewer?url=p...201477412U.pdf

drive 3phase
https://docs.google.com/viewer?url=p...201490954U.pdf

drive 2phase điện áp cao
https://docs.google.com/viewer?url=p...CN2559167Y.pdf