Pacifica, CA, United States of America

Len Fenkel

This inventor holds 1 USPTO granted patent. Top assignee: Yahoo! Inc.. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Len Fenkel. Retrieved from https://idiyas.com/inventor/len-fenkel

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 2010

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Len Fenkel

Introduction

Len Fenkel is a notable inventor based in Pacifica, California. He has made significant contributions to the field of messaging systems through his innovative patent. His work focuses on enhancing the security and reliability of messaging accounts, particularly in combating spam.

Latest Patents

Len Fenkel holds a patent for a "Method and system for image verification to prevent messaging abuse." This invention is designed to determine if a spam message is originating from a messaging account. It challenges a client's outbound email usage with a test that requires verification of content that is easily understood by a human being, rather than an automated computer program. If a client exceeds a limit on the number of recipients for outbound messages, a test is presented the next time they attempt to send a message. The client must successfully answer the test within a relatively short period of time, or their ability to send messages will be disabled. Once disabled, the client can reinstate their ability to send messages by contacting a representative of the messaging system.

Career Highlights

Len Fenkel is currently employed at Yahoo! Inc., where he continues to work on innovative solutions in the messaging domain. His expertise and dedication to improving user experience have made him a valuable asset to the company.

Collaborations

Len has collaborated with talented individuals such as Jing Zhu and Steven Kenichi Yoshimoto. Their combined efforts contribute to the advancement of technology in messaging systems.

Conclusion

Len Fenkel's innovative approach to preventing messaging abuse showcases his commitment to enhancing digital communication. His patent reflects a significant step forward in ensuring the security of messaging accounts.

Profile summary based on public USPTO records.
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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