Trademarks = 19

Forward Citations = 351

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15 inventors (with patents filed for the assignee):

Kenneth A Williams (3 out of 5 patents)

Larry L Scott (3 out of 3 patents)

Elon J Gasper (2 out of 22 patents)

4. David C Iden (2 out of 2 patents)

5. Christopher F Smith (2 out of 2 patents)

6. Thomas M Abbott (1 out of 2 patents)

7. Boon Chew (1 out of 1 patent)

8. Robert Dain (1 out of 1 patent)

9. John G Gilmore (1 out of 1 patent)

10. Robert E Heitman (1 out of 1 patent)

11. Mark A Wilden (1 out of 1 patent)

12. Brian K Hughes (1 out of 1 patent)

13. Jonathan M Hood (1 out of 1 patent)

14. Jane S Jensen (1 out of 1 patent)

15. Mark Marion (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6373488 - Three-dimensional tree-structured data display (2002-04-16),

2. 6213873 - User-adaptable computer chess system (2001-04-10),

3. 5819082 - Data storage optimization using an access order resource list (1998-10-06),

4. 5430835 - Method and means for computer sychronization of actions and sounds (1995-07-04),

5. 5425139 - Methods for intelligent movement of objects on computer displays (1995-06-13),

6. 5377997 - Method and apparatus for relating messages and actions in interactive (1995-01-03),

7. 5287446 - System and methods for intelligent movement on computer displays (1994-02-15),

Company Overview

Sierra On-Line is a video game developer and publisher known for creating iconic adventure games like the King's Quest series. Founded in 1979, Sierra has a long history of innovation and creativity in the gaming industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#80 in Bellevue, WA

#927 in Washington

#39,907 in US

Bellevue, WA, United States of America

Sierra On-Line

Forward Citations = 351

15 inventors:

Kenneth A Williams (3 out of 5 patents)

Larry L Scott (3 out of 3 patents)

Elon J Gasper (2 out of 22 patents)

4. David C Iden (2 out of 2 patents)

5. Christopher F Smith (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sierra On-Line. Retrieved from https://idiyas.com/company/sierra-on-line

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]