Portfolio comparison
Nintendo Co Ltd vs Ampex Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Company B
Ampex Corp
Patents indexed
1
Year range
1960
Most recent
1960
consumer_electronicsmechanicaltelecommunications
Top Patents1 enriched
US 2956114· 1960
How Ampex Invented Modern Video Recording on Magnetic Tape
Activity by Decade
1960s1
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