% Expired Patents = 60.0

Forward Citations = 138

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4 inventors (with patents filed for the assignee):

Kenneth H P Chang (3 out of 9 patents)

Roger Selly (1 out of 5 patents)

John K Gerk (1 out of 2 patents)

4. W Michael Ryden (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7171367 - Digital audio with parameters for real-time time scaling (2007-01-30),

2. 7079905 - Time scaling of stereo audio (2006-07-18),

3. 7047201 - Real-time control of playback rates in presentations (2006-05-16),

4. 6718309 - Continuously variable time scale modification of digital audio signals (2004-04-06),

5. 5630379 - Electrically controlled spraying device for cleaning and treating animals (1997-05-20),

Company Overview

SSI Corporation is a leading provider of technology solutions for various industries. With a focus on innovation and customer satisfaction, we offer a wide range of products and services including software development, IT consulting, and cybersecurity solutions. Our team of experts is dedicated to helping our clients achieve their business goals through the use of cutting-edge technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#2,721 in Tokyo

#6,652 in Japan

Tokyo, Japan

Ssi Corporation

Forward Citations = 138

4 inventors:

Kenneth H P Chang (3 out of 9 patents)

Roger Selly (1 out of 5 patents)

John K Gerk (1 out of 2 patents)

4. W Michael Ryden (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ssi Corporation. Retrieved from https://idiyas.com/company/ssi

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]