Portfolio comparison
Bell Telephone Laboratories Inc vs Powdertech Co Ltd
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
Powdertech Co Ltd
Patents indexed
1
Year range
2024
Most recent
2024
materialsmechanicalconsumer_electronics
Top Patents1 enriched
US 12134567· 2024
How to Make Better Ferrite Powder for Industrial Use
Activity by Decade
2020s1
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