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PatentBrief

Company Portfolio

Bell Telephone Laboratories Inc

48

Portfolio strength

Active portfolio

Patents indexed

5

Year range

1950 – 1963

semiconductorsconsumer_electronicstelecommunicationsenergy

Patent Activity by Year

1950
1
1951
1
1957
1
1960
1
1963
1

Key Inventors

Charles H Townes1Arthur L Schawlow1Gerald L Pearson1Calvin S Fuller1Daryl M Chapin1Walter H Brattain1Bardeen John1Kahng Dawon1

All Patents

5

Career timeline

5 patents, 1950–1963

Dot size = forward citations

195019531955195819601963

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

Compare their top 4 patents →
US 2569347·1951

The Invention of the Junction Transistor

William Shockley's 1951 patent for the junction transistor, the fundamental building block of all modern digital electronics.

US 2524035·1950

The Invention of the Transistor

Bell Labs' 1950 patent for the point-contact transistor, the fundamental electronic component that makes all modern computing possible.

US 2929922·1960

How the First Laser Was Invented

The foundational 1960 patent by Schawlow and Townes that describes how to amplify light waves to create a laser, moving beyond microwave technology.

US 2780765·1957

How the First Practical Silicon Solar Cell Works

A 1954 invention by Bell Labs researchers that created the first silicon-based solar cell capable of converting sunlight into enough electricity to power everyday devices.

US 3102230·1963

The Invention of the Modern Field-Effect Transistor

This 1960 patent describes the fundamental structure of the MOSFET, the tiny electronic switch that powers every modern computer processor.

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