Trademarks = 31

Forward Citations = 854

Loading Chart...

8 inventors (with patents filed for the assignee):

Stephen B Weinstein (1 out of 8 patents)

William H Gunther (1 out of 17 patents)

Roman M Golicz (1 out of 36 patents)

4. Robert J Hoss (1 out of 1 patent)

5. James W Hough (1 out of 6 patents)

6. Russell L Meyer (1 out of 1 patent)

7. Jerry S Thomas (1 out of 1 patent)

8. Robert E Lee (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5412192 - Radio frequency activated charge card (1995-05-02),

2. 4796292 - Data transmission over the public switched network (1989-01-03),

3. 4453074 - Protection system for intelligent cards (1984-06-05),

4. 4299073 - Machine and method for packaging travelers checks (1981-11-10),

5. D249900 - Travelers check dispensing machine (1978-10-10),

6. 4065862 - Method and apparatus for synchronizing data and clock signals (1978-01-03),

Company Overview

American Express Company, also known as Amex, is a multinational financial services corporation headquartered in New York City. The company offers a wide range of financial products and services, including credit cards, charge cards, traveler's cheques, and merchant services. With a history dating back to 1850, American Express is one of the most recognized and respected brands in the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#1,028 in New York, NY

#2,697 in New York

#45,007 in US

New York, NY, United States of America

American Express Company

Forward Citations = 854

8 inventors:

Stephen B Weinstein (1 out of 8 patents)

William H Gunther (1 out of 17 patents)

Roman M Golicz (1 out of 36 patents)

4. Robert J Hoss (1 out of 1 patent)

5. James W Hough (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: American Express Company. Retrieved from https://idiyas.com/company/american-express-company

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]