Portfolio comparison
William F. Semple vs Sony Computer Entertainment America LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
Company B
Sony Computer Entertainment America LLC
Patents indexed
2
Year range
2010 – 2014
Most recent
2014
consumer_electronicsgamingsoftwaretelecommunications
Top Patents2 enriched
US 7782297· 2010
Detecting When Gamers Stop Playing to Save Power
US 8769558· 2014
How Devices Track Offline Ad Watching and Share Media Recommendations
Activity by Decade
2010s2
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.