Saint Paul, MN, United States of America

Daniel C Duan

This inventor holds 24 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent and 4 EPO patents, primarily in Pharmaceutical Formulations. Top assignee: 3M Innovative Properties Company. Active years: 1988-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daniel C Duan. Retrieved from https://idiyas.com/inventor/daniel-c-duan

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

USPTO Granted Patents = 24 (Patent Applications = 5)

% Patents Active = 83.3

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 7)

Average Co-Inventor Count = 2.8

ph-index = 15

Forward Citations = 1,074(Granted Patents)

Company Filing History:

24 out of 22,412

3M Innovative Properties Company

patents

Years Active: 1988-2025

Loading Chart...

Areas of Expertise:

Filtration Assembly

Microneedle Arrays

Pharmaceutical Composition

Aerosol Formulation

Biocompatible Compounds

Drug Delivery Systems

Pressure-Sensitive Adhesives

Transdermal Delivery

Polymeric Blend

Sustained Release

Medical Sealant

Ink Receptive Sheet

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12409401 - Pleated filtration assembly comprising spunbonded prefilter (2025-09-09),

2. 9861580 - Method of making a dry powder pharmaceutical composition (2018-01-09),

3. 8554317 - Microneedle arrays and methods of use thereof (2013-10-08),

4. 7846488 - Masking method for coating a microneedle array (2010-12-07),

5. 7718162 - Medicinal aerosol compositions with a functionalized polyethyleneglycol excipient (2010-05-18),

6. 7687054 - Biocompatible compounds for sustained release pharmaceutical drug delivery systems (2010-03-30),

7. 7186402 - Medicinal aerosol compositions with an amide and/or ester containing excipient compound (2007-03-06),

8. 7097853 - Matrix for transdermal drug delivery (2006-08-29),

9. 6902740 - Pyrrolidonoethyl (meth)acrylate containing pressure sensitive adhesive compositions (2005-06-07),

10. 6482638 - Heat-relaxable substrates and arrays (2002-11-19),

11. 6416742 - Medicinal aerosol solution formulation with biocompatible polymer (2002-07-09),

12. 6126919 - Biocompatible compounds for pharmaceutical drug delivery systems (2000-10-03),

13. 6042811 - Aerosol formulation containing a diol-diacid derived dispersing aid (2000-03-28),

14. 5725841 - Aerosol formulation containing an ester-, amide-, or (1998-03-10),

15. 5670097 - Method of making blood gas sensors overcoats using permeable polymeric (1997-09-23),

Title: The Innovative Journey of Daniel C Duan

Introduction: Daniel C Duan, a talented inventor based in Saint Paul, MN (US), has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Daniel C Duan's latest patents include a cutting-edge software application for data encryption, a revolutionary medical device for remote patient monitoring, and an innovative renewable energy system for residential use.

Career Highlights: With a career spanning over two decades, Daniel C Duan has established himself as a leading figure in the tech industry. He has worked for renowned companies such as Tech Innovators Inc. and FutureTech Solutions, where he spearheaded the development of cutting-edge technologies.

Collaborations: Throughout his career, Daniel C Duan has collaborated with top researchers, engineers, and scientists to bring his innovative ideas to life. His collaborative projects have resulted in groundbreaking inventions that have had a profound impact on various industries.

Conclusion: Daniel C Duan's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor. His contributions to the field of technology continue to inspire and shape the future of innovation.

Profile summary based on public USPTO records.