% Expired Patents = 50.0

Forward Citations = 8

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8 inventors (with patents filed for the assignee):

James Siminoff (2 out of 319 patents)

Karl M Brown (1 out of 56 patents)

Alan Hawrylyshen (1 out of 2 patents)

4. Mahesh Godavarti (1 out of 1 patent)

5. Todd Simpson (1 out of 1 patent)

6. Nathan Chandler (1 out of 1 patent)

7. Chad Madison (1 out of 1 patent)

8. Mike Lambert (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 9190068 - Signal presence detection using bi-directional communication data (2015-11-17),

2. 8719004 - Systems and methods for punctuating voicemail transcriptions (2014-05-06),

3. 8416927 - System and method for limiting voicemail transcription (2013-04-09),

4. 8301452 - Voice activated application service architecture and delivery (2012-10-30),

Company Overview

Ditech Networks, Inc. is a telecommunications company specializing in voice processing solutions for mobile and broadband networks. Founded in 1991, the company offers innovative technologies to enhance voice quality, improve network efficiency, and enable advanced services for carriers worldwide. With a strong focus on research and development, Ditech Networks remains a leader in the industry, helping customers optimize their networks and deliver superior voice experiences to their subscribers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#848 in San Jose, CA

#14,058 in California

#60,671 in US

San Jose, CA, United States of America

Ditech Networks, Inc.

Forward Citations = 8

8 inventors:

James Siminoff (2 out of 319 patents)

Karl M Brown (1 out of 56 patents)

Alan Hawrylyshen (1 out of 2 patents)

4. Mahesh Godavarti (1 out of 1 patent)

5. Todd Simpson (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ditech Networks, Inc.. Retrieved from https://idiyas.com/company/ditech-networks

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]