Shanghai, China

Xu H Feng

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Xerox Corporation. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Xu H Feng. Retrieved from https://idiyas.com/inventor/xu-h-feng

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1995

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2 patents (USPTO):Explore Patents

Title: Xu H Feng: Innovator in Electrostatographic Technology

Introduction

Xu H Feng is a prominent inventor based in Shanghai, China, known for his contributions to electrostatographic technology. With a total of two patents to his name, he has made significant advancements in the field, particularly in improving the efficiency and quality of printing processes.

Latest Patents

Xu H Feng's latest patents include a dynamic developer bias control system and a non-linear selectively variable copy contrast adjustment device. The dynamic developer bias control system is designed to optimize developer bias during the processing of the lead edge of an input document. This innovation minimizes the loss of image density by adjusting the developer bias in response to variations in an optical sensor voltage signal. Additionally, it prevents background development by maintaining an elevated developer bias when certain voltage conditions are met. The non-linear selectively variable copy contrast adjustment device enhances electrostatographic printing by allowing for non-linear sensitivity in contrast control, providing users with a more refined and customizable printing experience.

Career Highlights

Xu H Feng has built a successful career at Xerox Corporation, where he has been instrumental in developing cutting-edge printing technologies. His work has not only contributed to the company's reputation as a leader in the industry but has also paved the way for future innovations in electrostatographic printing.

Collaborations

Throughout his career, Xu has collaborated with notable colleagues, including Ding Ya-Jun and Thomas F Szlucha. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Xu H Feng's contributions to electrostatographic technology through his innovative patents and collaborative efforts highlight his role as a key figure in the field. His work continues to influence the future of printing technology, ensuring high-quality results for users worldwide.

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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