Portfolio comparison
Theophilus Van Kannel vs Nintendo Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 387571· 1888
How the Revolving Door Was Invented
Activity by Decade
1880s1
Company B
Nintendo Co Ltd
Patents indexed
3
Year range
1987 – 2016
Most recent
2016
consumer_electronicsgamingmechanical
Top Patents3 enriched
US 4687200· 1987
How the Nintendo D-Pad Works
US RE45905· 2016
How Nintendo's Wii Remote Tracks Motion and Infrared Light
US 8702514· 2014
How Nintendo's Wii U GamePad Controller Attachment Works
Activity by Decade
1980s1
2010s2
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.