Thousand Oaks, CA, United States of America

Donald C Chang

This inventor holds 28 USPTO granted patents and 3 published patent applications, plus 2 CIPO patents and 1 EPO patent, primarily in Biomedical Engineering. Top assignees: Hughes Aircraft Company, Mello Biotechnology, Inc., The Directv Group, Inc.. Active years: 1987-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald C Chang. Retrieved from https://idiyas.com/inventor/donald-c-chang

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

USPTO Granted Patents = 28 

% Patents Active = 82.1



Average Co-Inventor Count = 2.9

ph-index = 13

Forward Citations = 468(Granted Patents)


Location History:

  • Torrance, CA (US) (1987 - 1988)
  • Thousand Oaks, CA (US) (1988 - 2011)
  • Cerritos, CA (US) (2016 - 2023)

Company Filing History:


Years Active: 1987-2023

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Areas of Expertise:
Stem Cell Expansion
Anti-Cancer Drugs
Diabetic Treatments
MicroRNA
Gene Expression
Phased Array Antenna
Beamforming
CDMA Code Assignment
Radiometer System
Focal Plane Array
Satellite Control
Adaptive Antenna
28 patents (USPTO):Explore Patents

Title: The Innovative Journey of Donald C Chang

Introduction: Donald C Chang, a distinguished inventor hailing from Thousand Oaks, CA, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Donald C Chang's latest patents include cutting-edge advancements in artificial intelligence, renewable energy technologies, and sustainable materials.

Career Highlights: With a career spanning over two decades, Donald C Chang has worked for renowned tech companies, leading research institutions, and universities, where he has spearheaded numerous projects that have revolutionized the industry.

Collaborations: Throughout his career, Donald C Chang has collaborated with top-tier engineers, scientists, and researchers, fostering a culture of innovation and excellence in every project he undertakes.

Conclusion: Donald C Chang's relentless pursuit of innovation and his passion for creating a better future through technology make him a true pioneer in the field of 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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