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Palo Alto, CA, United States of America

Access Medical Systems, Ltd.

USPTO Granted Patents = 38

EPO Patents = 9

Trademarks = 7

Forward Citations = 97

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18 inventors (with patents filed for the assignee):

Hong Tan (31 out of 41 patents)

Robert F Zuk (27 out of 49 patents)

Ming Xia (16 out of 19 patents)

4. Genqian Li (16 out of 16 patents)

5. Yushan Tan (13 out of 19 patents)

6. Erhua Cao (13 out of 13 patents)

7. Jun Chen (10 out of 109 patents)

8. Yongli Ren (6 out of 6 patents)

9. Haode Chen (5 out of 5 patents)

10. Heng Wu (4 out of 8 patents)

11. Min Xia (4 out of 5 patents)

12. Pu Li (3 out of 3 patents)

13. Qing Xia (2 out of 2 patents)

14. Indrani Chakraborty (1 out of 19 patents)

15. Mohsen Karbaschi (1 out of 1 patent)

Core Competencies:

Antibody Dissociation

Ferromagnetic Rotors

Fluorescence Labels

Chemiluminescence

Interferometric Testing

Immunoassay Sensitivity

Biochemical Assays

Optical Sensors

Electrochemiluminescence

Luminescent Immunoassays

Medical Test Cartridges

Detection Systems

38 patents: Sort by Forward Citations

1. 12693296 - Method for determining antibody dissociation rate (2026-07-28),

2. 12643098 - Ferromagnetic rotors for agitating the liquid in a microwell (2026-06-02),

3. 12590976 - Detection method using both fluorescence and chemiluminescence labels (2026-03-31),

4. 12523613 - Addressing light absorbance during interferometric testing through algorithmic deconvolution and computation (2026-01-13),

5. 12416627 - Immunoassay with enhanced sensitivity (2025-09-16),

6. 12399173 - Method for re-using test probe and reagents in biochemical assay based on interferometry (2025-08-26),

7. 12153061 - Cartridge assembly tray for immunoassay tests (2024-11-26),

8. 12055486 - Optical sensor of bio-molecules using interferometer (2024-08-06),

9. 11879901 - Cartridges for immunoassay tests and methods of using the same (2024-01-23),

10. 11604140 - Optical sensor of bio-molecules using interferometer (2023-03-14),

11. 11598784 - Cartridges for immunoassay tests and methods of using the same (2023-03-07),

12. 11199555 - Probes for biochemical tests (2021-12-14),

13. D925760 - Interferometric probe for biochemical testing (2021-07-20),

14. 10928406 - Cartridge assembly tray for immunoassay tests (2021-02-23),

15. 10809251 - Immunoassay with enhanced sensitivity (2020-10-20),

Company Overview

Access Medical Systems, Ltd. is a technology-driven company based in Palo Alto, California, specializing in innovative medical devices and healthcare solutions. The organization focuses on developing advanced systems that enhance patient care and streamline medical processes. With a commitment to research and development, Access Medical Systems aims to integrate cutting-edge technology into the healthcare sector, addressing critical needs and improving outcomes for patients and providers alike.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

38 Patents

#52 in Palo Alto, CA

#2,130 in California

#9,020 in US

#17,831 in the World

Palo Alto, CA, United States of America

Access Medical Systems, Ltd.

Forward Citations = 97

18 inventors:

Hong Tan (31 out of 41 patents)

Robert F Zuk (27 out of 49 patents)

Ming Xia (16 out of 19 patents)

4. Genqian Li (16 out of 16 patents)

5. Yushan Tan (13 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Access Medical Systems, Ltd.. Retrieved from https://idiyas.com/company/access-medical-systems

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

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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