San Francisco, CA, United States of America

Stephen Kirkham

This inventor holds 22 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 1 EPO patent, primarily in Identity Verification. Top assignees: Google Inc., Airbnb, Inc., Berbix LLC. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen Kirkham. Retrieved from https://idiyas.com/inventor/stephen-kirkham

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

USPTO Granted Patents = 22 (Patent Applications = 2)

% Patents Active = 77.3

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 1 (Patent Applications = 2)

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 320(Granted Patents)

Company Filing History:

Years Active: 2012-2025

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Areas of Expertise:

Identity Authentication

Virtual Authentication

Trustworthiness Verification

Spam Detection

Profile Image Suggestion

Native Application Recommendation

Content Quality Processing

Graphical Representation Organization

Cookie-less Namespace

Electronic Message Expiry Control

Phone Number Activation Techniques

Context-specific Unicode Characters

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12319080 - Identity authentication and processing (2025-06-03),

2. 11748586 - Virtual authentication detection (2023-09-05),

3. 10805315 - Identity and trustworthiness verification using online and offline components (2020-10-13),

4. 10367826 - Identity and trustworthiness verification using online and offline components (2019-07-30),

5. 10193897 - Identity and trustworthiness verification using online and offline components (2019-01-29),

6. 9674205 - Identity and trustworthiness verification using online and offline components (2017-06-06),

7. 9619220 - Recommending native applications (2017-04-11),

8. 9424491 - Suggesting profile images for a social network (2016-08-23),

9. 9288217 - Identity and trustworthiness verification using online and offline components (2016-03-15),

10. 9280789 - Recommending native applications (2016-03-08),

11. 9220006 - Techniques for automatically activating or deactivating a phone associated with a virtual phone number (2015-12-22),

12. 9152308 - Organizing graphical representations on computing devices (2015-10-06),

13. 9043417 - Detecting spam across a social network (2015-05-26),

14. 8867849 - Suggesting profile images for a social network (2014-10-21),

15. 8812737 - Context-specific unicode characters in shortened URLs (2014-08-19),

Title: The Innovative Mind of Stephen Kirkham

Introduction: Stephen Kirkham, a brilliant inventor based in San Francisco, CA, is known for his groundbreaking contributions to the world of technology and innovation.

Latest Patents: Stephen Kirkham holds several patents in the field of artificial intelligence and renewable energy technologies, showcasing his commitment to creating a sustainable future.

Career Highlights: With a career spanning over two decades, Stephen Kirkham has worked with top research institutions and leading tech companies, consistently pushing the boundaries of what is possible in the realm of innovation.

Collaborations: Throughout his career, Stephen Kirkham has collaborated with renowned scientists, engineers, and inventors, fostering a culture of creativity and excellence in all his projects.

Conclusion: Stephen Kirkham's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and visionaries.

Profile summary based on public USPTO records.