San Francisco, CA, United States of America

Francis J Martin

This inventor holds 55 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 2 EPO patents, primarily in Drug Delivery Devices (CPC class A61K). Top assignees: Delpor, Inc., Liposome Technology, Inc., Sequus Pharmaceuticals, Inc.. Active years: 1986-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis J Martin. Retrieved from https://idiyas.com/inventor/francis-j-martin

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

USPTO Granted Patents = 55 

% Patents Active = 80.0

 

 

Average Co-Inventor Count = 2.3

ph-index = 26

Forward Citations = 4,438(Granted Patents)

Forward Citations (Not Self Cited) = 4,311(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Huntington, NY (US) (1992 - 2016)
  • San Francisco, CA (US) (1986 - 2021)

Company Filing History:


Years Active: 1986-2021

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Areas of Expertise:
Implantable Device
Microfabricated Nanopore
Therapeutic Agent
Pressure Relief Valve
Check Valve
Nanopump System
Liposome Composition
Polymer-Lipid Conjugate
Oral Delivery
Solid-Tumor Treatment
Fusogenic Liposome
Particles for Delivery
55 patents (USPTO):Explore Patents

Title: Innovations of Francis J. Martin: A Pioneer in Drug Delivery Systems

Introduction

Francis J. Martin is an esteemed inventor based in San Francisco, CA, with an impressive portfolio of 55 patents. His work largely focuses on the development of innovative implantable devices designed to enhance drug delivery. Martin's contributions have significantly impacted medical technology and biotechnology fields.

Latest Patents

Among his most notable patents is the "Implantable Device for Long-Term Delivery of Drugs," which is designed for the sustained delivery of poorly water-soluble drugs. The device features a drug reservoir containing an aqueous suspension of the drug, combined with an excipient that produces acidic groups to maintain a desired pH over an extended period. This innovative design ensures a constant concentration of a soluble form of the drug, improving therapeutic outcomes for patients.

Career Highlights

Throughout his career, Francis J. Martin has worked with several prominent companies, including Liposome Technology, Inc. and Delpor, Inc. His expertise in drug formulation and device engineering has made him a key contributor to advancements in drug delivery systems.

Collaborations

Martin has collaborated with notable experts in the field, including Samuel Zalipsky and Martin C. Woodle. These partnerships have allowed for shared knowledge and innovation, pushing the boundaries of what is possible in medical device technology.

Conclusion

Francis J. Martin's innovative work in the development of implantable drug delivery systems has paved the way for new treatment options in medicine. His extensive patent portfolio reflects a commitment to advancing healthcare technology, making him a significant figure in the realm of medical inventions.

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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