Zhuhai, China

Chen Cheng

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Zhuhai Ninestar Information Technology Co., Ltd, Zhuhai Ninestar Information Technology Co., Ltd. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chen Cheng. Retrieved from https://idiyas.com/inventor/chen-cheng-ki02jceu

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

 

Average Co-Inventor Count = 14.5

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: Chen Cheng: Innovator in Developing Cartridge Technology

Introduction

Chen Cheng is a notable inventor based in Zhuhai, China. He has made significant contributions to the field of developing cartridge technology, holding a total of 3 patents. His innovative designs have enhanced the functionality and efficiency of imaging devices.

Latest Patents

Chen Cheng's latest patents focus on the development of advanced cartridges. One of his patents describes a developing cartridge that includes a casing designed to accommodate developer material. This casing features a first side and a second side arranged oppositely in a first direction, along with a third side and a fourth side arranged oppositely in a second direction. The first and second directions intersect, allowing for improved functionality. The cartridge also includes a developing roller positioned at the third side, which rotates around a first axis extending in the first direction. Additionally, a coupling is positioned at the first side to receive driving-force output from an image forming device, facilitating rotation. The design incorporates an inclined driving surface and a detected part that moves according to the rotation of the coupling.

Another patent by Chen Cheng outlines a similar developing cartridge with a casing that accommodates developer material. This design also features a developing roller and a coupling, along with a storage medium that includes an electrical contact surface. A separation member is included to receive a separation force, causing the casing to move, enhancing the overall efficiency of the cartridge.

Career Highlights

Chen Cheng has worked with Zhuhai Ninestar Information Technology Co., Ltd, where he has contributed to various innovative projects. His work has been instrumental in advancing the technology behind developing cartridges, making significant strides in the industry.

Collaborations

Throughout his career, Chen Cheng has collaborated with talented individuals such as Wenjie Zhao and Junyu Tao. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies.

Conclusion

Chen Cheng is a prominent inventor whose work in developing cartridge technology has made a lasting impact. His innovative designs and patents continue to influence the industry, showcasing his dedication to advancing technology.

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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