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For the Inventor, By the Inventor

Santa Barbara, CA, United States of America

Charles Douglas MacPherson

This inventor holds 33 USPTO granted patents and 6 published patent applications and 8 EPO patents, primarily in Security Devices. Top assignees: E.i. Dupont De Nemours and Company, Bank of Canada, Dupont Displays Inc. Active years: 2006-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles Douglas MacPherson. Retrieved from https://idiyas.com/inventor/charles-douglas-macpherson

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

Calculating rank
USPTO Granted Patents = 33 

% Patents Active = 87.9

 

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 131(Granted Patents)


Company Filing History:

goldMedal12 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents
silverMedal9 out of 13 
 
Bank of Canada
 patents
bronzeMedal4 out of 24 
 
Dupont Displays Inc
 patents
4. 4 out of 8 
 
Nanotech Security Corp.
 patents
5. 3 out of 1,039 
 
National Research Council of Canada
 patents
6. 2 out of 533 
 
University of Toronto
 patents
7. 1 out of 1 
 
Company Dupont Displays Inc
 patent
8. 1 out of 734 
 
E Ink Corporation
 patents
9. 1 out of 1 
 
Fortress Optical Features Ltd.
 patent
10. 2 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 2006-2026

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Areas of Expertise:
Piezoelectric Films
Optical Devices
Security Display Devices
Beverage Preparation
Microlenses
Electronic Devices
Dynamic Security Device
Authentication Device
Polythiophenes
Diffractive Structures
Janus Microparticles
Conductive Polymers
33 patents (USPTO):Explore Patents
1. 12543503 - Piezoelectric films including ionic liquids and methods of making piezoelectric films including ionic liquids (2026-02-03),
2. 12510695 - Optical devices comprising microlenses and laser-fabricated patterns or structures, their manufacture and use (2025-12-30),
3. 11884091 - Diffractive structures within polymer substrates, their manufacture and use (2024-01-30),
4. 11882857 - Brewed beverages and methods for producing same (2024-01-30),
5. 11737596 - Coffee-based beverage preparation system and methods for using the same (2023-08-29),
6. 11675183 - Dynamic security device (2023-06-13),
7. 11285753 - Security display devices, their production and use (2022-03-29),
8. 10921579 - Dynamic security device (2021-02-16),
9. 10780727 - Security display devices, their production and use (2020-09-22),
10. 10568348 - Brewed beverages and methods for producing same (2020-02-25),
11. 10551610 - Alignment and rotation of Janus microparticles in response to acceleration (2020-02-04),
12. 10036125 - Security device (2018-07-31),
13. 9834029 - Security display devices, their production and use (2017-12-05),
14. 9738105 - Optically variable devices, their production and use (2017-08-22),
15. 9323042 - Optically variable devices, their production and use (2016-04-26),

Title: The Innovative Mind of Charles Douglas MacPherson

Introduction: Charles Douglas MacPherson, a talented inventor based in Santa Barbara, CA, is known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Charles Douglas MacPherson holds several patents in the areas of renewable energy technologies, artificial intelligence systems, and sustainable materials. His most recent patent involves a revolutionary method for harnessing solar energy in urban environments.

Career Highlights: With a background in engineering and a passion for sustainability, Charles Douglas MacPherson has led numerous successful projects that have pushed the boundaries of technological advancement. His work has been recognized globally for its impact on creating a more sustainable future.

Collaborations: Throughout his career, Charles Douglas MacPherson has collaborated with leading research institutions, universities, and tech companies to bring his innovative ideas to life. His ability to work across disciplines has led to the development of cutting-edge technologies that have the potential to shape the future.

Conclusion: Charles Douglas MacPherson's dedication to innovation and sustainability has solidified his reputation as a visionary inventor. His relentless pursuit of technological advancement continues to inspire the next generation of inventors and engineers.

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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