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For the Inventor, By the Inventor

Sunnyvale, CA, United States of America

Chih-huei Wu

This inventor holds 6 USPTO granted patents. Top assignee: Omnivision Technologies, Inc.. Active years: 2002-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chih-huei Wu. Retrieved from https://idiyas.com/inventor/chih-huei-wu

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 71(Granted Patents)


Company Filing History:

goldMedal6 out of 1,414 
 
Omnivision Technologies, Inc.
 patents

Years Active: 2002-2008

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6 patents (USPTO):Explore Patents
1. 7368772 - Active pixel having reduced dark current in a CMOS image sensor (2008-05-06),
2. 7105878 - Active pixel having reduced dark current in a CMOS image sensor (2006-09-12),
3. 7091058 - Sacrificial protective layer for image sensors and method of using (2006-08-15),
4. 6909162 - Surface passivation to reduce dark current in a CMOS image sensor (2005-06-21),
5. 6649950 - Active pixel having reduced dark current in a CMOS image sensor (2003-11-18),
6. 6462365 - Active pixel having reduced dark current in a CMOS image sensor (2002-10-08),

Title: Chih-huei Wu: Innovator in CMOS Image Sensor Technology

Introduction

Chih-huei Wu is a prominent inventor based in Sunnyvale, CA, known for his significant contributions to the field of CMOS image sensor technology. With a total of 6 patents to his name, Wu has made remarkable advancements that enhance the performance and reliability of image sensors.

Latest Patents

Among his latest innovations, Wu has developed an active pixel design that features reduced dark current in CMOS image sensors. This design includes a photodiode, a transfer gate, and a reset transistor. The photodiode is substantially covered with an overlying structure, which protects its surface from damage and effectively eliminates potential leakage current sources that contribute to dark current. In another embodiment, the active pixel incorporates a protective structure with a photodiode contact, ensuring a reliable electrical connection to the pixel output transistor.

Career Highlights

Chih-huei Wu is currently employed at OmniVision Technologies, Inc., where he continues to push the boundaries of image sensor technology. His work has been instrumental in developing solutions that improve image quality and sensor efficiency.

Collaborations

Wu collaborates with talented colleagues, including Xinping James He and Tiemin Zhao, who contribute to the innovative environment at OmniVision Technologies.

Conclusion

Chih-huei Wu's contributions to CMOS image sensor technology exemplify his dedication to innovation and excellence in the field. His patents reflect a commitment to enhancing the functionality and reliability of imaging systems.

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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