Portfolio comparison
Immersion vs Nat Res Dev
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Immersion
Patents indexed
1
Year range
2017
Most recent
2017
consumer_electronicssoftwaretelecommunicationsautomotive
Top Patents1 enriched
US 9652041· 2017
Precisely Stopping Device Vibrations for Better Touch Feedback
Activity by Decade
2010s1
Top Patents1 enriched
US 2799449· 1957
How Alan Turing Designed Early Computer Memory Systems
Activity by Decade
1950s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.