Portfolio comparison
Immersion Corp vs Theophilus Van Kannel
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 387571· 1888
How the Revolving Door Was Invented
Activity by Decade
1880s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.