This inventor holds 7 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Gree Electric Appliances, Inc. of Zhuhai, Ledman Optoelectronic Co., Ltd.. Active years: 2017-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Guangdong, CN (2017 - 2024)
- Zhuhai, CN (2024)
Company Filing History:

Years Active: 2017-2025
Title: Han Liu - Innovator in Electric Energy Distribution
Introduction
Han Liu is a prominent inventor based in Guangdong, China. He has made significant contributions to the field of electric energy distribution, holding a total of 7 patents. His work focuses on improving the efficiency and effectiveness of energy distribution systems, particularly in household appliances.
Latest Patents
Among his latest patents are innovative technologies such as a current transformer and a method for distributing electric energy using the same. This patent outlines a system that calculates distribution coefficients of energy required for various loads based on their rated energy demands. It also details how energy is distributed according to the demand ranges of these loads. Another notable patent involves a photovoltaic electric appliance and a charging control method, which includes a double-relay circuit designed to enhance the gradual charging of a bus capacitor.
Career Highlights
Han Liu has worked with notable companies in the industry, including Gree Electric Appliances, Inc. of Zhuhai and Ledman Optoelectronic Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric energy distribution.
Collaborations
Han has collaborated with several professionals in his field, including Xuefen Zhang and Zhigang Zhao. These partnerships have contributed to the advancement of his projects and patents.
Conclusion
Han Liu is a key figure in the innovation of electric energy distribution technologies. His patents and career achievements reflect his dedication to enhancing energy efficiency in household appliances.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile