Di-Fong Chang

This inventor holds 88 USPTO granted patents and 5 published patent applications, plus 6 CIPO patents and 4 EPO patents, primarily in Trash Can Design (CPC class B65F1-163). Top assignee: Simplehuman, LLC. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Di-Fong Chang. Retrieved from https://idiyas.com/inventor/di-fong-chang

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

USPTO Granted Patents = 88 (Patent Applications = 5)

% Patents Active = 100.0

CIPO Patents = 6 (Patent Applications = 2)

EPO Patents = 4 (Patent Applications = 10)

Average Co-Inventor Count = 4.2

ph-index = 40

Forward Citations = 4,136(Granted Patents)

Forward Citations (Not Self Cited) = 3,147(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

88 out of 372

Simplehuman, LLC

patents

Years Active: 2007-2026

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Areas of Expertise:

Trash Can

Antimicrobial Coating

Receptacle Assembly

Motion Damper

Household Goods

Shower Caddy

Vanity Mirror

Dual Recycler

Bag Securing Member

Toilet Brush Assembly

Compact Mirror

Shelving System

88 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12559307 - Trash can assembly (2026-02-24),

2. 12145795 - Method of making a trashcan with an antimicrobial coating (2024-11-19),

3. 11801996 - Trash can assembly (2023-10-31),

4. 11535449 - Trash can assembly (2022-12-27),

5. 11279555 - Receptacle assemblies with motion dampers (2022-03-22),

6. 11242198 - Household goods with antimicrobial coatings and methods of making thereof (2022-02-08),

7. D930933 - Trash can (2021-09-14),

8. D927863 - Vanity mirror cover (2021-08-17),

9. 11026497 - Compact mirror (2021-06-08),

10. D874161 - Vanity mirror (2020-02-04),

11. 10494175 - Receptacle assemblies with motion dampers (2019-12-03),

12. D858923 - Trash can (2019-09-03),

13. D858024 - Trash can (2019-08-27),

14. D855919 - Trash can (2019-08-06),

15. D848158 - Vanity mirror (2019-05-14),

Title: Inventor Di-Fong Chang: Revolutionizing Technology in Torrance, CA

Introduction: Di-Fong Chang is a visionary inventor based in Torrance, CA, known for his groundbreaking contributions to the field of technology.

Latest Patents: Di-Fong Chang holds several patents in the areas of artificial intelligence, renewable energy, and nanotechnology, showcasing his diverse range of expertise and innovation.

Career Highlights: With a career spanning over two decades, Di-Fong Chang has worked with leading tech companies to develop cutting-edge solutions that have had a significant impact on various industries.

Collaborations: Throughout his career, Di-Fong Chang has collaborated with top researchers, engineers, and scientists to bring his ideas to life, leading to successful partnerships and innovative projects.

Conclusion: Di-Fong Chang's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a true pioneer in the field of inventions.

Profile summary based on public USPTO records.