Portfolio comparison
Sony Corp vs Bell Telephone Laboratories Inc
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
Bell Telephone Laboratories Inc
Patents indexed
5
Year range
1950 – 1963
Most recent
1963
semiconductorsconsumer_electronicstelecommunicationsenergy
Top Patents5 enriched
US 2569347· 1951
The Invention of the Junction Transistor
US 2524035· 1950
The Invention of the Transistor
US 2929922· 1960
How the First Laser Was Invented
Activity by Decade
1950s3
1960s2
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