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Middleton, WI, United States of America

James E Hagstrom

USPTO Granted Patents = 64

CIPO Patents = 1

EPO Patents = 3

Average Co-Inventor Count = 5.2

ph-index = 18

Forward Citations = 953(Granted Patents)

Forward Citations (Not Self Cited) = 880(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Madison, WI (US) (1998 - 2008)
Fitchburg, WI (US) (2010)
Middleton, WI (US) (2002 - 2018)

Company Filing History:

Mirus Bio Corporation

Mirus Corporation

Roche Madison Inc.

Arrowhead Madison, Inc.

Mirns Bio Corporation

Arrowhead Pharmaceuticals, Inc.

7. 1 out of 832,843

Other

patents

Years Active: 1998-2018

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Areas of Expertise:

Reversibly Masked Polymers

Transfection Compositions

Polyconjugates

Endosomolytic Polymers

Membrane Active Heteropolymers

Gene Expression

Intravascular Delivery

Polyampholytes

Drug Delivery

Nucleic Acid Delivery

pH Sensitive Molecules

Micellar Systems

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10022456 - Reversibly masked polymers (2018-07-17),

2. 9290779 - Transfection compositions using amphipathic compounds (2016-03-22),

3. 8658211 - Polyconjugates for in vivo delivery of polynucleotides (2014-02-25),

4. 8211468 - Endosomolytic polymers (2012-07-03),

5. 8138383 - Membrane active heteropolymers (2012-03-20),

6. 8137695 - Polyconjugates for in vivo delivery of polynucleotides (2012-03-20),

7. 8129509 - Method for single-step attachment of a label to target molecules (2012-03-06),

8. 8017109 - Endosomolytic poly(acrylate) polymers (2011-09-13),

9. 8008355 - Endosomolytic poly(vinyl ether) polymers (2011-08-30),

10. 7985406 - Membrane active heteropolymers (2011-07-26),

11. 7816337 - Reversible attachment of a membrane active polymer to a polynucleotide (2010-10-19),

12. 7803782 - Intravenous delivery of polynucleotides to cells in mammalian limb (2010-09-28),

13. 7601367 - Compositions and processes using siRNA, amphipathic compounds and polycations (2009-10-13),

14. 7589059 - Delivery of molecules and complexes to mammalian cells in vivo (2009-09-15),

15. 7547683 - Nucleic acid injected into hepatic vein lumen (2009-06-16),

Title: James E Hagstrom - Pioneering Inventor from Middleton, WI

Introduction: James E Hagstrom is a renowned inventor hailing from Middleton, Wisconsin, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: James E Hagstrom holds several patents in the areas of renewable energy technologies, sustainable agriculture practices, and advanced medical devices, showcasing his diverse range of expertise.

Career Highlights: With over two decades of experience in the innovation industry, James E Hagstrom has successfully brought numerous inventions from concept to market, revolutionizing the way we approach key challenges in society.

Collaborations: Throughout his career, James E Hagstrom has collaborated with leading research institutions, universities, and companies to further develop and commercialize his inventions, fostering a culture of innovation and progress.

Conclusion: James E Hagstrom's passion for pushing the boundaries of what is possible through his inventive spirit continues to inspire the next generation of inventors and innovators worldwide.

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