Tokyo, Japan

Xiaohong Sun

This inventor holds 1 USPTO granted patent. Top assignee: Graphic Communication Tech., Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Xiaohong Sun. Retrieved from https://idiyas.com/inventor/xiaohong-sun-b1a88j3z

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 = 2.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Innovations of Xiaohong Sun in Noise Reduction Technology

Introduction

Xiaohong Sun is a notable inventor based in Tokyo, Japan. She has made significant contributions to the field of image processing, particularly in noise reduction methods. Her innovative approach has led to the development of a patented technology that enhances image quality by minimizing flicker noise.

Latest Patents

Xiaohong Sun holds a patent for a "Noise reduction method and device for image signal." This invention involves obtaining the first difference signal between current and previous frame signals through a pixel-by-pixel subtraction process. The method includes an average value calculation circuit that processes only those pixels with absolute difference values smaller than a specified threshold. By excluding large values caused by target motion, the invention effectively reduces flicker noise. The device also features a non-linear circuit and an adder to optimize the output signals for improved image quality.

Career Highlights

Xiaohong Sun is currently employed at Graphic Communication Tech., Ltd. Her work focuses on advancing technologies that improve visual experiences in various applications. With her expertise, she has been able to contribute to the development of innovative solutions in the graphic communication industry.

Collaborations

Xiaohong collaborates with her coworker, Koichi Oyama, who plays a vital role in their projects. Together, they work on enhancing the capabilities of noise reduction technologies and exploring new avenues for innovation.

Conclusion

Xiaohong Sun's contributions to noise reduction technology exemplify her commitment to improving image quality through innovative methods. Her patent reflects a significant advancement in the field, showcasing her expertise and dedication to her craft.

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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