Beijing, China

Keqiang Cui

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Huawei Marine Networks Co., Ltd.. Active years: 2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keqiang Cui. Retrieved from https://idiyas.com/inventor/keqiang-cui-4pqm8uzy

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2017

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1 patent (USPTO):Explore Patents

Title: The Innovations of Keqiang Cui

Introduction

Keqiang Cui is a notable inventor based in Beijing, China. He has made significant contributions to the field of optical technology, particularly through his innovative patent. His work is recognized for enhancing communication systems, which are vital in today's interconnected world.

Latest Patents

Keqiang Cui holds a patent for an optical add/drop multiplexer branching unit. This invention includes a trunk input end, a branch input end, a trunk output end, and a branch output end. The apparatus features an optical add/drop multiplexer, a first coupler, a first detection circuit, and a control circuit. The optical add/drop multiplexer incorporates an optical switch. The detection circuit is designed to identify faults in the trunk, allowing the system to switch from a first working mode to a second working mode. This functionality ensures automatic redundancy on the trunk, thereby maintaining normal communication on a branch.

Career Highlights

Keqiang Cui is currently employed at Huawei Marine Networks Co., Ltd. His role at the company allows him to apply his expertise in optical technologies and contribute to advancements in communication infrastructure. His innovative approach has positioned him as a valuable asset in the field.

Collaborations

Some of his coworkers include Likun Zhang and Wendou Zhang. Their collaboration fosters a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Keqiang Cui's contributions to optical technology through his patent demonstrate his commitment to innovation. His work not only enhances communication systems but also showcases the importance of collaboration in driving technological advancements.

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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