Webster, NY, United States of America

Shirley Cheng

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Xerox Corporation. Active years: 2006.

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

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 = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2006

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Shirley Cheng

Introduction

Shirley Cheng is a notable inventor based in Webster, NY (US). She has made significant contributions to the field of printing technology, particularly in the area of halftone gamma correction. Her work is essential for achieving high print quality in various printing environments.

Latest Patents

Shirley Cheng holds a patent for a "System and method of performing halftone gamma correction in a printing environment." This invention includes a method, system, and computer-readable medium containing instructions for performing halftone gamma correction. The system is designed to achieve and maintain high print quality by utilizing one or more subsystems. These subsystems include a tone reproduction subsystem that creates print calibration pages, each with a tone curve defining the relationship between input color levels, output color levels, and measured darkness. Additionally, a pixel adjustment subsystem associates input color levels with output color levels based on desired changes in darkness levels. A gamma correction system further enhances the print quality by performing gamma correction on selected tone curves.

Career Highlights

Shirley Cheng has had a successful career at Xerox Corporation, where she has applied her expertise in printing technology. Her innovative approach has led to advancements in print quality and efficiency. With her patent, she has established herself as a key player in the field of printing technology.

Collaborations

Shirley has collaborated with notable colleagues, including Martin Sidney Maltz and Mark A Gwaltney. These collaborations have contributed to the development of innovative solutions in the printing industry.

Conclusion

Shirley Cheng's contributions to halftone gamma correction have significantly impacted the printing technology landscape. Her work at Xerox Corporation and her patented innovations demonstrate her commitment to enhancing print quality.

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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