Essex Junction, VT, United States of America

Rongtao Cao

This inventor holds 1 USPTO granted patent. Top assignee: Globalfoundries U.S. Inc.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rongtao Cao. Retrieved from https://idiyas.com/inventor/rongtao-cao

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Rongtao Cao: Innovator in Optical Communication Technology

Introduction

Rongtao Cao is a notable inventor based in Essex Junction, VT (US). He has made significant contributions to the field of optical communication technology. His innovative work has led to the development of a unique patent that enhances the testing of photodiodes in photonic integrated circuits (PICs).

Latest Patents

Rongtao Cao holds a patent titled "Optical receiver photodiode testing using test optical terminal at different location than operational optical terminal." This invention presents a structure for testing a photodiode in a PIC using a grating coupler. The design allows for optical communication with an optical terminal located at a different position than the operational optical terminal used during the PIC's operation. The photodiode features both an operational optical terminal and a test optical terminal, with the latter positioned differently for effective testing. An optical component is utilized during the photodiode's operation, while the grating coupler facilitates testing through the test optical terminal.

Career Highlights

Rongtao Cao is currently employed at GlobalFoundries U.S. Inc., where he continues to innovate in the field of optical technology. His work is instrumental in advancing the capabilities of photonic devices, contributing to the overall progress in optical communication systems.

Collaborations

Rongtao has collaborated with esteemed colleagues such as Hanyi Ding and Aidong Yan. Their combined expertise fosters a productive environment for innovation and development in their respective fields.

Conclusion

Rongtao Cao's contributions to optical communication technology through his patent and work at GlobalFoundries U.S. Inc. highlight his role as a key innovator in the industry. His advancements in photodiode testing are paving the way for future developments in optical 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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