Portfolio comparison
Immersion Corp vs Sperry Gyroscope Co Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Immersion Corp
Patents indexed
1
Year range
2014
Most recent
2014
consumer_electronicsmechanicalsoftware
Top Patents1 enriched
US 8898564· 2014
How Devices Give Haptic Feedback While You Hover Your Finger
Activity by Decade
2010s1
Top Patents1 enriched
US 1242065· 1917
How Elmer Sperry Invented the Gyroscopic Compass for Ships
Activity by Decade
1910s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.