Weihan Zhang

This inventor holds 25 USPTO granted patents and 10 published patent applications, plus 8 CIPO patents and 9 EPO patents, primarily in Pharmaceutical Compounds. Top assignees: Hutchison Medipharma Enterprises Limited, Hutchison Medipharma Limited, Nutrition Science Partners Limited. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Weihan Zhang. Retrieved from https://idiyas.com/inventor/weihan-zhang

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

USPTO Granted Patents = 25 (Patent Applications = 10)

% Patents Active = 60.0

CIPO Patents = 8 (Patent Applications = 5)

EPO Patents = 9 (Patent Applications = 15)

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 29(Granted Patents)

Location History:

Pudong, CN (2009 - 2013)
Shanghai, CN (2008 - 2021)

Company Filing History:

13 out of 15

Hutchison Medipharma Enterprises Limited

patents

9 out of 37

Hutchison Medipharma Limited

patents

3 out of 3

Nutrition Science Partners Limited

patents

Years Active: 2008-2026

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Areas of Expertise:

Pyrimidinone Compounds

Tricyclic Compounds

Quinazoline Compounds

Imidazopyridazine Compounds

Fused Heteroaryls

Pyridine Compounds

Amide Compounds

Costunolide Derivatives

Andrographolide

Pharmaceutical Compositions

Crude Extracts

Age-Related Macular Degeneration

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12630554 - PYRIMIDINONE COMPOUNDS AND USES THEREOF (2026-05-19),

2. 12492210 - Tricyclic compounds and their use (2025-12-09),

3. 12435062 - Amide compounds and uses thereof (2025-10-07),

4. 11191798 - Extracts of, methods for preparation and use thereof (2021-12-07),

5. 10611777 - Imidazopyridazine compounds and their use (2020-04-07),

6. 9701680 - Pyrimidine and pyridine compounds and their usage (2017-07-11),

7. 9181264 - Fused heteroaryls and their uses (2015-11-10),

8. 9168253 - Quinazoline compounds (2015-10-27),

9. 8946249 - Compound, certain novel forms thereof, pharmaceutical compositions thereof and methods for preparation and use (2015-02-03),

10. 8901143 - Pyrimidine derivatives (2014-12-02),

11. 8658658 - Compound, certain novel forms thereof, pharmaceutical compositions thereof and methods for preparation and use (2014-02-25),

12. 8557308 - [object Object] (2013-10-15),

13. 8557302 - [object Object] (2013-10-15),

14. 8497372 - Use of substituted quinazoline compounds in treating age-related macular degeneration (2013-07-30),

15. 8426430 - Quinazoline derivatives (2013-04-23),

Title: Innovations by Weihan Zhang: A Patent Portfolio Overview

Introduction

Weihan Zhang, based in Shanghai, China, stands out as a prolific inventor with a remarkable portfolio of 22 patents. His significant contributions to the fields of autoimmunity and inflammatory disease highlight his commitment to advancing medical science through innovative solutions.

Latest Patents

Among his latest patents, Weihan Zhang has developed extracts of highly concentrated active ingredients, detailing methods for preparation and medical uses aimed at treating autoimmune and inflammatory diseases. Additionally, he has made strides with novel imidazopyridazine compounds, which include pharmaceutical compositions and preparation processes, showcasing their potential therapeutic effects against diseases like cancer and autoimmune disorders.

Career Highlights

Weihan Zhang has played pivotal roles at Hutchison Medipharma Enterprises Limited and Hutchison Medipharma Limited. His work in these companies has greatly influenced the development of advanced pharmaceutical products designed to target complex diseases.

Collaborations

In his journey as an inventor, Weihan has collaborated with notable peers including Xiaoqiang Yan and Wei-Guo Su. These professional partnerships have fostered a creative environment, leading to the successful development of innovative solutions in healthcare.

Conclusion

With a robust patent portfolio and impactful collaborations, Weihan Zhang continues to make significant advancements in the medical field. His inventions address critical health challenges, underscoring the importance of innovation in modern medicine.

Profile summary based on public USPTO records.