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For the Inventor, By the Inventor

Hsinchu, Taiwan

Cheng Nan Tsai

This inventor holds 6 USPTO granted patents and 5 published patent applications. Top assignee: Pixart Imaging Incorporated. Active years: 2014-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cheng Nan Tsai. Retrieved from https://idiyas.com/inventor/cheng-nan-tsai-oz9dojls

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

Calculating rank
USPTO Granted Patents = 6 

% Patents Active = 33.3

Average Co-Inventor Count = 5.1

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal6 out of 1,512 
 
Pixart Imaging Incorporated
 patents

Years Active: 2014-2019

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6 patents (USPTO):Explore Patents
1. 10282036 - Optical touch system and image processing method thereof (2019-05-07),
2. 9292130 - Optical touch system and object detection method therefor (2016-03-22),
3. 9170682 - Image processing method for optical touch system (2015-10-27),
4. 9151599 - Image sensing module adapted to compensate temperature variation (2015-10-06),
5. 9052780 - Optical touch screen system and sensing method for the same (2015-06-09),
6. 8860695 - Optical touch system and electronic apparatus including the same (2014-10-14),

Title: Cheng Nan Tsai: Innovator in Optical Touch Systems

Introduction

Cheng Nan Tsai is a prominent inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of optical touch systems and image processing. With a total of 6 patents to his name, Tsai continues to push the boundaries of technology.

Latest Patents

One of his latest patents is an "Optical touch system and image processing method thereof." This invention involves an image processing method that includes obtaining a background picture with first and second pixels. The first pixel has a first intensity value in response to a first sensing element operated by a fixed exposure time, while the second pixel has a second intensity value from a second image sensing element under the same conditions. The method further includes extracting these intensity values, performing computing operations to determine exposure times, and operating the image sensing elements accordingly.

Another notable patent is the "Optical touch system and object detection method therefor." This invention provides an optical touch system designed to determine an object region based on brightness information from a sensing unit. It also identifies block information of objects within that region using image information from an image sensing unit. This innovation enhances the functionality and accuracy of optical touch systems.

Career Highlights

Cheng Nan Tsai is currently employed at Pixart Imaging Incorporated, where he applies his expertise in optical technologies. His work has significantly advanced the capabilities of touch systems, making them more efficient and user-friendly.

Collaborations

Tsai has collaborated with notable colleagues, including Chih Hsin Lin and Tzung Min Su. Their combined efforts have contributed to the development of innovative technologies in the optical touch domain.

Conclusion

Cheng Nan Tsai is a key figure in the advancement of optical touch systems and image processing methods. His inventions and collaborations continue to shape the future of technology in this field.

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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