Francis Gerard Fang

This inventor holds 67 USPTO granted patents and 14 published patent applications, plus 6 CIPO patents and 20 EPO patents, primarily in Drug Synthesis (CPC class C07D). Top assignees: Eisai R&d Management Co., Ltd., Glaxo Wellcome Inc., Epizyme, Inc.. Active years: 1994-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis Gerard Fang. Retrieved from https://idiyas.com/inventor/francis-gerard-fang

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

Calculating rank

USPTO Granted Patents = 67 (Patent Applications = 14)

% Patents Active = 92.5

CIPO Patents = 6 (Patent Applications = 5)

EPO Patents = 20 (Patent Applications = 20)

Average Co-Inventor Count = 3.8

ph-index = 16

Forward Citations = 831(Granted Patents)

Forward Citations (Not Self Cited) = 405(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Durham, NC (US) (1994 - 2004)
Andover, MA (US) (2000 - 2023)

Company Filing History:

51 out of 530

Eisai R&d Management Co., Ltd.

Osi Pharmaceuticals, Inc.

Eisai Company, Limited

patents

8. 1 out of 946

Gilead Sciences, Inc.

patents

9. 1 out of 1,493

North Carolina State University

patents

10. 1 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1994-2025

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Areas of Expertise:

Halichondrin B

EZH2 Inhibitors

Macrocyclization

Stereochemically Defined

Phosphorodiamidate

Immunological Adjuvant

Chiral Reagents

Synthetic Intermediates

Diazabicyclo Compounds

Human Histone Methyltransferase

Prins Reaction

Polypropionates

67 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12421246 - Method for synthesis of diazabicyclo[6.2.0]decane related compounds (2025-09-23),

2. 12251386 - Salt form of a human histone methyltransferase EZH2 inhibitor (2025-03-18),

3. 11643418 - Macrocyclization reactions and intermediates and other fragments useful in the synthesis of analogs of halichondrin B (2023-05-09),

4. 11542269 - Prins reaction and compounds useful in the synthesis of halichondrin macrolides and analogs thereof (2023-01-03),

5. 11491163 - Salt form of a human histone methyltransferase EZH2 inhibitor (2022-11-08),

6. 11434246 - EP4 antagonists (2022-09-06),

7. 11136335 - Prins reaction and intermediates useful in the synthesis of halichondrin macrolides and analogs thereof (2021-10-05),

8. 10934307 - Macrocyclization reactions and intermediates and other fragments useful in the synthesis of analogs of halichondrin B (2021-03-02),

9. 10913749 - Macrocyclization reactions and intermediates and other fragments useful in the synthesis of halichondrin macrolides (2021-02-09),

10. 10836784 - Substituted phosphorodiamidate morpholino oligomers (2020-11-17),

11. 10821113 - Salt form of a human histone methyltransferase EZH2 inhibitor (2020-11-03),

12. 10793581 - Stereochemically defined polypropionates and methods for making and using the same (2020-10-06),

13. 10717743 - Intermediates and methods for the synthesis of halichondrin B analogs (2020-07-21),

14. 10676481 - Intermediates in the synthesis of eribulin and related methods of synthesis (2020-06-09),

15. 10611773 - Macrocyclization reactions and intermediates and other fragments useful in the synthesis of analogs of halichondrin B (2020-04-07),

Title: The Innovative Mind of Francis Gerard Fang

Introduction: Francis Gerard Fang, a distinguished inventor hailing from Andover, MA, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Francis Gerard Fang's latest patents include cutting-edge advancements in artificial intelligence, renewable energy solutions, and sustainable materials.

Career Highlights: With a career spanning over two decades, Francis Gerard Fang has established himself as a visionary in the tech industry, holding numerous patents and receiving accolades for his innovative work.

Collaborations: Throughout his career, Francis Gerard Fang has collaborated with leading tech companies, research institutions, and universities to push the boundaries of technological innovation and bring his ideas to life.

Conclusion: Francis Gerard Fang's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.