Shandong, China

Qingzhen Ma

This inventor holds 2 USPTO granted patents. Top assignee: Weichai Power Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Qingzhen Ma. Retrieved from https://idiyas.com/inventor/qingzhen-ma-iata73qs

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


% Patents Active = 100.0

Average Co-Inventor Count = 8.0

ph-index = 1


Company Filing History:


Years Active: 2025

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2 patents (USPTO):Explore Patents

Title: Innovations by Qingzhen Ma in Engine Technology

Introduction

Qingzhen Ma is a notable inventor based in Shandong, China. He has made significant contributions to the field of engine technology, particularly in the area of cylinder deactivation control methods. With a total of 2 patents to his name, his work is recognized for its innovative approach to improving engine efficiency.

Latest Patents

Qingzhen Ma's latest patents include a cylinder deactivation control method and apparatus for engines. This invention involves determining a cylinder deactivation trigger moment for a controlled engine. It also establishes a second cycle and a corresponding cylinder deactivation mode based on the crankshaft rotation speed and target torque at the trigger moment. Additionally, it calculates the fuel injection quantity for the ignition cylinder in the next cycle. Another patent focuses on a similar method, where the cylinder pressure type of each cylinder is determined in conjunction with the cylinder deactivation modes of adjacent cycles, optimizing fuel injection based on a calibrated chart.

Career Highlights

Qingzhen Ma is currently employed at Weichai Power Co., Ltd., a leading company in the power and engine manufacturing sector. His work at Weichai has allowed him to apply his innovative ideas in practical applications, contributing to advancements in engine technology.

Collaborations

He has collaborated with notable coworkers such as Haifeng Ren and Fei Wang, who share a commitment to innovation in engineering and technology.

Conclusion

Qingzhen Ma's contributions to engine technology through his patents demonstrate his expertise and commitment to innovation. His work continues to influence the development of more efficient engine systems.

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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