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For the Inventor, By the Inventor

San Jose, CA, United States of America

Yuanwei Zheng

LinkedIn
USPTO Granted Patents = 23 

Average Co-Inventor Count = 4.9

ph-index = 3

Forward Citations = 24(Granted Patents)


Company Filing History:

goldMedal23 out of 1,354 
 
Omnivision Technologies, Inc.
 patents

Years Active: 2015-2025

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23 patents (USPTO):
1. 12408463 - Trench balance structure pattern in red photodiodes of a pixel array with quad bayer color filter (2025-09-02),
2. 12289924 - Transistors having increased effective channel width (2025-04-29),
3. 12262563 - Pixel cell having anti-blooming structure and image sensor (2025-03-25),
4. 12176364 - Passivation-enhanced image sensor and surface-passivation method (2024-12-24),
5. 11862678 - Electrical isolation in pixel-array substrates using combination of doped semiconductor guard rings and overlapping isolation trenches (2024-01-02),
6. 11750906 - Fully buried color filter array of image sensor (2023-09-05),
7. 11245823 - Fully buried color filter array of image sensor (2022-02-08),
8. 10964738 - Image sensor having a source follower transistor with a multi-thickness gate dielectric (2021-03-30),
9. 10734434 - Vertical overflow drain combined with vertical transistor (2020-08-04),
10. 10566364 - Resonant-filter image sensor and associated fabrication method (2020-02-18),
11. 10418408 - Curved image sensor using thermal plastic substrate material (2019-09-17),
12. 10290670 - Resonant-filter image sensor and associated fabrication method (2019-05-14),
13. 10269850 - Biased deep trench isolation (2019-04-23),
14. 9806117 - Biased deep trench isolation (2017-10-31),
15. 9773829 - Through-semiconductor-via capping layer as etch stop layer (2017-09-26),

Title: Innovations by Yuanwei Zheng: A Pioneer in Image Sensor Technology

Introduction: Yuanwei Zheng, a distinguished inventor based in San Jose, CA, has made significant contributions to the field of image sensor technology with a remarkable portfolio of 20 patents. His expertise has enabled advancements that enhance the performance and efficiency of imaging systems, impacting various applications in consumer electronics and beyond.

Latest Patents: Among his latest and notable patents are two groundbreaking innovations. The first is a passivation-enhanced image sensor and surface-passivation method. This invention involves a semiconductor substrate with a photodiode and a specialized multilayer film that enhances the image sensor performance. The configuration of high-κ material layers optimizes charge densities, improving the overall functionality of the device.

The second patent focuses on electrical isolation in pixel-array substrates. This technology employs a combination of doped semiconductor guard rings and overlapping isolation trenches. It significantly reduces leakage current within the pixel-array substrate, enhancing the reliability and efficiency of the imaging system.

Career Highlights: Yuanwei Zheng works at OmniVision Technologies, Inc., a company well-known for its innovation in imaging solutions. Throughout his career, he has demonstrated strong technical acumen and a commitment to advancing image sensor technologies that are crucial for modern digital devices.

Collaborations: Zheng has collaborated with several notable teammates, including Gang Chen and Dyson Hsinchih Tai. Together, they have contributed to pioneering research and development in the imaging field, fostering an environment of innovation that propels the industry forward.

Conclusion: Yuanwei Zheng’s innovative approach and commitment to excellence have made him a key figure in the development of advanced image sensor technologies. His patents not only highlight his inventiveness but also pave the way for future advancements in this dynamic field, solidifying his legacy as a leading inventor in the technology sector.

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