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El Segundo, CA, United States of America

Peerless Systems Corporation

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USPTO Granted Patents = 13

% Expired Patents = 15.4

Forward Citations = 330

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19 inventors (with patents filed for the assignee):

Steven K Nelson (5 out of 5 patents)

Robert F Hossley (4 out of 4 patents)

Barbara B Renshaw (4 out of 4 patents)

4. Donald E Phillips (4 out of 4 patents)

5. Stephen R Butterfield (4 out of 4 patents)

6. Gregory H Wong (2 out of 7 patents)

7. David J Chura (2 out of 9 patents)

8. Ken Schmidt (2 out of 2 patents)

9. Jeff Horowitz (2 out of 2 patents)

10. Dongpei Su (1 out of 44 patents)

11. Kristofer Henderson (1 out of 7 patents)

12. Jeffrey M Morris (1 out of 19 patents)

13. Thomas Cocotis (1 out of 6 patents)

14. Jay A Treptow (1 out of 4 patents)

15. Stephen Alan Schwartz (1 out of 2 patents)

13 patents: Sort by Forward Citations

1. 6993562 - Method and system to print via email (2006-01-31),

2. 6919825 - Split runlength encoding method and apparatus (2005-07-19),

3. 6891632 - Method and apparatus for selecting print strategy for optimal performance (2005-05-10),

4. 6449052 - Multi-purpose image generator for driving multiple output devices (2002-09-10),

5. 6418474 - Data transfer protocol flow controller and method (2002-07-09),

6. 6343152 - Bi-level image compression by gray scale encoding (2002-01-29),

7. 6046748 - Cooperative filter and raster operation evaluation model (2000-04-04),

8. 5793937 - Fallback processing for page generation using memory reduction techniques (1998-08-11),

9. 5754750 - Method and apparatus for displaying a page with graphics information on (1998-05-19),

10. 5748986 - Method and apparatus for displaying a page with graphics information on (1998-05-05),

11. 5710561 - Method and apparatus for double run-length encoding of binary data (1998-01-20),

12. 5509115 - Method and apparatus for displaying a page with graphics information on (1996-04-16),

13. 5502804 - Method and apparatus for displaying a page with graphics information on (1996-03-26),

Company Overview

Peerless Systems Corporation, based in El Segundo, California, specializes in developing advanced imaging technologies and software solutions. The company focuses on providing innovative products that enhance the functionality of imaging devices, particularly in the areas of printing and document management. With a commitment to research and development, Peerless Systems aims to deliver cutting-edge solutions that meet the evolving needs of businesses and consumers in the imaging sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#33 in El Segundo, CA

#5,661 in California

#23,854 in US

#45,081 in the World

El Segundo, CA, United States of America

Peerless Systems Corporation

Forward Citations = 330

19 inventors:

Steven K Nelson (5 out of 5 patents)

Robert F Hossley (4 out of 4 patents)

Barbara B Renshaw (4 out of 4 patents)

4. Donald E Phillips (4 out of 4 patents)

5. Stephen R Butterfield (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Peerless Systems Corporation. Retrieved from https://idiyas.com/company/peerless-systems

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]

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