% Expired Patents = 20.0

Forward Citations = 501

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3 inventors (with patents filed for the assignee):

Ynjiun P Wang (5 out of 275 patents)

Joshua C Ding (1 out of 3 patents)

James A Grizzard (1 out of 3 patents)

5 patents: Sort by Forward Citations

1. 7635084 - Electronic transaction systems and methods therefor (2009-12-22),

2. 7107246 - Methods of exchanging secure messages (2006-09-12),

3. 7089214 - Method for utilizing a portable electronic authorization device to approve transactions between a user and an electronic transaction system (2006-08-08),

4. 6850916 - Portable electronic charge and authorization devices and methods therefor (2005-02-01),

5. 6594759 - Authorization firmware for conducting transactions with an electronic transaction system and methods therefor (2003-07-15),

Esignx Corporation is a leading provider of e-signature solutions for businesses of all sizes. They offer a user-friendly platform that allows users to securely sign and send documents online. Their mission is to streamline the document signing process and improve productivity for their clients.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#103 in Cupertino, CA

#12,054 in California

#51,545 in US

Cupertino, CA, United States of America

Esignx Corporation

Forward Citations = 501

3 inventors:

Ynjiun P Wang (5 out of 275 patents)

Joshua C Ding (1 out of 3 patents)

James A Grizzard (1 out of 3 patents)

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