Fremont, CA, United States of America

Ke-Cai Zeng

This inventor holds 17 USPTO granted patents, plus 1 CIPO patent. Top assignees: Sunrise Telecom, Inc., Cypress Semiconductor Corporation, Maxim Integrated Products, Inc.. Active years: 2004-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ke-Cai Zeng. Retrieved from https://idiyas.com/inventor/ke-cai-zeng

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


% Patents Active = 64.7

 

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • San Jose, CA (US) (2004)
  • Hayward, CA (US) (2005 - 2008)
  • Fremont, CA (US) (2008 - 2018)

Company Filing History:


Years Active: 2004-2018

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17 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Ke-Cai Zeng

Introduction

Ke-Cai Zeng is a prominent inventor based in Fremont, California, known for his significant contributions to the field of light sensing technology. With a total of 17 patents to his name, Zeng has made remarkable advancements that enhance the functionality and efficiency of optical devices. His work is characterized by a focus on innovative solutions that address real-world challenges in light detection and navigation.

Latest Patents

One of Zeng's latest patents is for an ultraviolet sensor that incorporates a filter designed to allow the sensing of ultraviolet (UV) wavelengths while blocking visible and infrared light. This invention utilizes a semiconductor device with a photodetector positioned beneath a specialized filter, which is tailored to modify the received UV/visible wavelength ratios. Another notable patent involves adaptive ambient light auto-movement blocking in optical navigation modules. This technology aims to improve the accuracy of motion data by suppressing reporting of motion derived from ambient light interference.

Career Highlights

Throughout his career, Zeng has worked with several notable companies, including Sunrise Telecom, Inc. and Cypress Semiconductor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of optical technologies.

Collaborations

Zeng has collaborated with talented individuals in the field, including Yansun Xu and Steven Sanders. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies.

Conclusion

Ke-Cai Zeng's contributions to the field of light sensing and optical navigation are significant and impactful. His innovative patents and collaborative efforts continue to shape the future of technology in these areas.

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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