Engaged in intellectual property industry, Ms.Cheng has handled a large number of patent cases in the fields of electricity, optics, and communications, and she is very good at drafting patent application documents ,office action response and response to request for review.

 

Electricity, Optics, Communication, Circuit design, Machinery, Control engineering and system simulation

 

Ms. Cheng has handled the patent case of "Underwater timing method and system based on sound field reciprocity theorem" which has been successfully granted.

Ms. Cheng has handled the patent cases of "Method and system of communication, positioning, navigation and timng intefration for deep-sea vehicle" and "Navigation method, system and device of the deep-sea carrier to the distance measurement of the surface monitoring platform, the deep-sea real-time high-precision positioning method and system"

which has been successfully granted.

Ms. Cheng has handled the patent case of "Shock absorber with variable damping and adjustable stiffness"which has been successfully granted.

Ms. Cheng has handled the patent case of "Powder sample adding device and method, identification method and system for block chain dust transaction" which has been successfully granted.

Ms. Cheng has handled the patent case of "Method and system for removing low frequency noise in reverse time migration imaging" which has been successfully granted.