Chongqing, China

Xiafan Zeng

This inventor holds 2 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent. Top assignee: Chongqing Upgra Biotechnology Co., Ltd.. Active years: 2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Xiafan Zeng. Retrieved from https://idiyas.com/inventor/xiafan-zeng

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

 

Average Co-Inventor Count = 27.4

ph-index = 1


Company Filing History:


Years Active: 2023

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2 patents (USPTO):Explore Patents

Title: Innovations of Xiafan Zeng in Biotechnology

Introduction

Xiafan Zeng is a prominent inventor based in Chongqing, China. He has made significant contributions to the field of biotechnology, particularly in the development of polyethylene glycol conjugated drugs. His work has led to the filing of multiple patents, showcasing his innovative approach to medicine.

Latest Patents

Xiafan Zeng holds two notable patents. The first patent is titled "Polyethylene glycol conjugate drug, and preparation method therefor and use thereof." This invention relates to a polyethylene glycol conjugated drug and its preparation method, emphasizing its pharmaceutical applications. The second patent is similarly focused on "Polyethylene glycol conjugate medicament, preparation method therefor and use thereof." This patent also details the preparation methods and uses of polyethylene glycol conjugate medicaments, highlighting their importance in drug formulation.

Career Highlights

Xiafan Zeng is associated with Chongqing Upgra Biotechnology Co., Ltd., where he continues to advance his research and development efforts. His work in this company has positioned him as a key player in the biotechnology sector, contributing to innovative solutions in medicine.

Collaborations

Xiafan Zeng collaborates with notable colleagues, including Gaoquan Li and Dajun Li. These partnerships enhance his research capabilities and foster a collaborative environment for innovation.

Conclusion

Xiafan Zeng's contributions to biotechnology, particularly through his patents on polyethylene glycol conjugated drugs, demonstrate his commitment to advancing medical science. His work continues to impact the field positively, paving the way for future innovations in drug development.

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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