Ronald G Chang

This inventor holds 77 USPTO granted patents and 9 published patent applications, plus 5 CIPO patents and 12 EPO patents, primarily in Molecular Diagnostics (CPC class B01L). Top assignees: Cepheid Corporation, Syfr, Inc., Modern Medical Devices. Active years: 1991-2025.

USPTO Granted Patents = 77 (Patent Applications = 9)

% Patents Active = 74.0

CIPO Patents = 5

EPO Patents = 12 (Patent Applications = 5)

Average Co-Inventor Count = 3.7

ph-index = 32

Forward Citations = 4,700(Granted Patents)

Forward Citations (Not Self Cited) = 4,415(Dec 10, 2025)

Inventors with similar research interests:

Location History:

San Jose, CA (US) (1991)
Sunnyvale, CA (US) (2020 - 2023)
Redwood City, CA (US) (1995 - 2024)

Company Filing History:

Modern Medical Devices

6. 2 out of 834,453

Other

patents

Years Active: 1991-2025

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Areas of Expertise:

Molecular Diagnostics

Fluid Processing

Sample Handling

Nucleic Acid Extraction

Amplification Reactions

Chemical Reactions

Assay Systems

Cell Disruption

Reagent Dispensing

Staining Methods

Diagnostic Assays

Sample Processing

77 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12235279 - Sample processing module array handling system and methods (2025-02-25),

2. 12123052 - Methods and apparatus for sequential amplification reactions (2024-10-22),

3. D1040463 - Waste receptacle (2024-08-27),

4. D1026244 - Diagnostic assay system (2024-05-07),

5. 11740256 - System, device and methods of sample processing using semiconductor detection chips (2023-08-29),

6. D978369 - Diagnostic assay system (2023-02-14),

7. D973655 - Command pod module (2022-12-27),

8. D961111 - Assay processing system (2022-08-16),

9. 10907202 - Methods and apparatus for sequential amplification reactions (2021-02-02),

10. 10906039 - Fluid processing and control (2021-02-02),

11. D908301 - Waste receptacle with lid (2021-01-19),

12. D907793 - Assay processing system (2021-01-12),

13. 10871498 - Sample processing module array handling system and methods (2020-12-22),

14. D889633 - Loading track (2020-07-07),

15. 10525468 - Fluid processing and control (2020-01-07),

Title: Inventor Ronald G Chang - Revolutionizing Technology in San Jose

Introduction: Ronald G Chang is a visionary inventor based in San Jose, CA, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ronald G Chang holds several patents in the areas of artificial intelligence, machine learning, and renewable energy technologies, showcasing his commitment to driving progress in these crucial sectors.

Career Highlights: With over two decades of experience in the tech industry, Ronald G Chang has worked for leading companies such as Google and Tesla, where he played a key role in developing cutting-edge solutions that have transformed the way we interact with technology.

Collaborations: Throughout his career, Ronald G Chang has collaborated with top researchers and engineers from renowned universities and research institutions, fostering a culture of innovation and excellence in all his projects.

Conclusion: Ronald G Chang's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and entrepreneurs, solidifying his legacy as a true pioneer in the world of technology.