Portfolio comparison
Sony Corp vs Zenith Radio Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Sony Corp
Patents indexed
2
Year range
2018 – 2019
Most recent
2019
consumer_electronicsai_mltelecommunicationsgamingrobotics
Top Patents2 enriched
US 10003680· 2018
How Sony's Smart Glasses Share Content During Voice Calls
US 10282665· 2019
How AI Agents Learn to Pick the Best Future Actions
Activity by Decade
2010s2
Company B
Zenith Radio Corp
Patents indexed
1
Year range
1957
Most recent
1957
consumer_electronicsmechanical
Top Patents1 enriched
US 2817025· 1957
How the First Wireless Television Remote Control Works
Activity by Decade
1950s1
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