Robert Yongxin Zhao

This inventor holds 59 USPTO granted patents and 25 published patent applications, plus 14 CIPO patents and 10 EPO patents, primarily in Conjugation Linkers (CPC class A61K). Top assignees: Immunogen, Inc., Hangzhou Dac Biotech Co., Ltd., Sanofi-Aventis. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert Yongxin Zhao. Retrieved from https://idiyas.com/inventor/robert-yongxin-zhao

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

USPTO Granted Patents = 59 (Patent Applications = 25)

% Patents Active = 83.1

CIPO Patents = 14 (Patent Applications = 6)

EPO Patents = 10 (Patent Applications = 22)

Average Co-Inventor Count = 2.4

ph-index = 14

Forward Citations = 883(Granted Patents)

Forward Citations (Not Self Cited) = 713(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Watertown, MA (US) (2003 - 2011)
Hangzhou, CN (2019 - 2020)
Lexington, MA (US) (2011 - 2024)

Company Filing History:

Hangzhou Dac Biotech Co., Ltd.

Suzhou M-Conj Biotech Co., Ltd.

patent

Years Active: 2003-2025

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Areas of Expertise:

Conjugation Linkers

Immunoconjugates

Benzodiazepine Derivatives

Cross-Linkers

Charged Linkers

Hydrophilic Linkers

Cytotoxic Agents

Maytansinol Acylation

Amanita Toxins

Disulfur Bridge Linkers

Acetylenedicarboxyl Linkers

Cell-Binding Molecules

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12478695 - Specific conjugation linkers, specific immunoconjugates thereof, methods of making and uses such conjugates thereof (2025-11-25),

2. 12303571 - Specific conjugation linkers, specific immunoconjugates thereof, methods of making and uses such conjugates thereof (2025-05-20),

3. 12220464 - Specific conjugation linkers, specific immunoconjugates thereof, methods of making and uses such conjugates thereof (2025-02-11),

4. 11998584 - Conjugate of a tubulysin analog with branched linkers (2024-06-04),

5. 11779663 - Specific conjugation linkers, specific immunoconjugates thereof, methods of making and uses such conjugates thereof (2023-10-10),

6. 11505617 - Benzodiazepine derivatives (2022-11-22),

7. 11129910 - Specific conjugation linkers, specific immunoconjugates thereof, methods of making and uses such conjugates thereof (2021-09-28),

8. 11046762 - Cross-linkers and their uses (2021-06-29),

9. 10975112 - Linkers for conjugation of cell-binding molecules (2021-04-13),

10. 10947315 - Benzodiazepine derivatives (2021-03-16),

11. 10944190 - Methods for the acylation of maytansinol (2021-03-09),

12. 10836796 - Derivatives of amanita toxins and their conjugation to a cell binding molecule (2020-11-17),

13. 10696700 - Charged linkers and their uses for conjugation (2020-06-30),

14. 10696699 - Charged linkers and their uses for conjugation (2020-06-30),

15. 10683314 - Charged linkers and their uses for conjugation (2020-06-16),

Title: The Inventor Robert Yongxin Zhao

Introduction: Robert Yongxin Zhao is a prolific inventor based in Lexington, MA (US), known for his groundbreaking contributions to various technological fields.

Latest Patents: Robert Yongxin Zhao holds several patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his diverse range of expertise.

Career Highlights: With over two decades of experience in research and development, Robert Yongxin Zhao has worked for leading tech companies, where he spearheaded innovative projects that have had a significant impact on the industry.

Collaborations: Throughout his career, Robert Yongxin Zhao has collaborated with top researchers, engineers, and scientists, fostering a culture of innovation and excellence in all his projects.

Conclusion: Robert Yongxin Zhao's dedication to pushing the boundaries of technology and his passion for creating solutions to complex problems make him a standout figure in the world of inventions and innovations.

Profile summary based on public USPTO records.