Portfolio comparison
Bell Telephone Laboratories Inc vs Mitsubishi Electric Research Laboratories
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Company B
Mitsubishi Electric Research Laboratories
Patents indexed
1
ai_mlsoftwareautomotiveconsumer_electronicstelecommunications
Top Patents1 enriched
US 20230162023
Automated AI for Adapting to New Data Without Retraining
How to use
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