Shenzhen, China

Changwen Liu

This inventor holds 2 USPTO granted patents. Top assignees: Guangdong Greenwheel Ev Power Train System Co., Ltd, Other. Active years: 2008-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Changwen Liu. Retrieved from https://idiyas.com/inventor/changwen-liu-997m3fw8

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Hangzhou, Zhejiang Province, CN (2008)
  • Shenzhen, CN (2013)

Company Filing History:

goldMedal1 out of 1 
 
Guangdong Greenwheel Ev Power Train System Co., Ltd
 patent
silverMedal2 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 2008-2013

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2 patents (USPTO):Explore Patents

Title: Changwen Liu - Innovator in Electric Vehicle Technology

Introduction

Changwen Liu is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of electric vehicle technology, holding a total of 2 patents. His innovative designs focus on enhancing the efficiency and functionality of electric vehicles.

Latest Patents

Changwen Liu's latest patents include a four-wheel drive electric vehicle and an integrated fuel feed apparatus. The four-wheel drive electric vehicle features a chassis and a power system that includes batteries, an electric motor, a DC-DC converter, and an electric motor controller. This design allows for effective power distribution between the front and rear axles, enhancing the vehicle's performance. The integrated fuel feed apparatus is designed to improve fuel efficiency by actively restraining the generation of fuel vapor and ensuring effective fuel flow through its components.

Career Highlights

Throughout his career, Changwen Liu has worked with various companies, including Guangdong Greenwheel EV Power Train System Co., Ltd. His experience in the industry has allowed him to develop innovative solutions that address the challenges faced by electric vehicle manufacturers.

Collaborations

Changwen Liu has collaborated with notable individuals in the field, including Xiaojing Liu and Daguang Xi. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Changwen Liu's work in electric vehicle technology showcases his commitment to innovation and sustainability. His patents reflect a deep understanding of engineering principles and a vision for the future of transportation.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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