This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Ccteg China Coal Research Institute. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2025-2026
Title: Zefang Li: Mining Communication Systems Inventor
Introduction
Zefang Li is an inventor based in Beijing, China, whose patent work focuses on communication technologies for mining environments. His inventions address mobile and converged communication systems designed to support services on and beneath a mine.
Latest Patents
Li’s listed patents include two inventions:
- Mining Mobile Communication System and Method. This invention describes a mining mobile communication system with a first subsystem configured to communicate in a licensed frequency band.
- Mining Converged Communication System and Communication Method. The system uses a converged communication device to receive a data packet from a service device, identify the intended target service device based on that packet, and forward the packet. The service devices may be located on or under a mine.
Career Highlights
Li is associated with CCTEG China Coal Research Institute. His patent portfolio includes 2 patents related to communication systems and methods for mining operations.
Collaborations
Li’s listed coworkers include Kebing Wang and Guowei Yang.
Conclusion
Zefang Li’s patent work centers on mobile and converged communication technologies intended to connect services across mining environments.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile