Beijing, China

Fan Qi

This inventor holds 3 USPTO granted patents and 3 published patent applications. Top assignees: Sifotonics Technologies (Beijing) Co., Ltd., Sifotonics Technologies (Beijing) Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fan Qi. Retrieved from https://idiyas.com/inventor/fan-qi-u2wk6dxb

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 3.4

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: The Innovations of Fan Qi

Introduction

Fan Qi is a notable inventor based in Beijing, China. He has made significant contributions to the field of optical devices, particularly with his innovative designs that enhance the functionality of coherent light receiving systems. His work is characterized by a commitment to advancing technology and improving optical communication.

Latest Patents

Fan Qi holds a patent for a coherent light receiving optical device. This device includes an optical switch group that allows for the switching between two different preset bands, outputting two signal lights or oscillation lights. Additionally, it features a 1×2 power beam splitter group that splits one of the oscillation lights into two split oscillation lights. The optical hybrid group mixes the split oscillation light with a signal light from the same preset band, resulting in a mixed light. Finally, the detector group converts the mixed lights of two different preset bands into photocurrent, enabling multiplexing of the detector. This patent showcases his innovative approach to optical technology.

Career Highlights

Fan Qi is currently employed at Sifotonics Technologies (Beijing) Co., Ltd. His role at the company allows him to work on cutting-edge optical technologies and collaborate with other talented professionals in the field. His dedication to research and development has positioned him as a key figure in his organization.

Collaborations

Fan Qi collaborates with talented coworkers, including Chang Liu and Zhou Fang. Their combined expertise contributes to the innovative projects at Sifotonics Technologies, fostering a collaborative environment that encourages creativity and technological advancement.

Conclusion

Fan Qi's contributions to the field of optical devices are noteworthy, particularly his patent for a coherent light receiving optical device. His work at Sifotonics Technologies and collaborations with skilled colleagues further enhance his impact on the industry. His innovations continue to pave the way for advancements in optical technology.

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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