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Inventor

CAMPBELL JOE C

US11 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL JOE C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BELL TELEPHONE LABOR INC

4 patents
US4323911AApr 6, 1982

Demultiplexing photodetectors

BELL TELEPHONE LABOR INC21 citations80
US4213138AJul 15, 1980

Demultiplexing photodetector

BELL TELEPHONE LABOR INC26 citations80
US4239337ADec 16, 1980

Magneto-optic modulator using dielectric mirrors

BELL TELEPHONE LABOR INC7 citations73
US4301463ANov 17, 1981

Demultiplexing photodetector

BELL TELEPHONE LABOR INC8 citations71

UNIV VIRGINIA PATENT FOUNDATION

2 patents
US10032950B2Jul 24, 2018

AllnAsSb avalanche photodiode and related method thereof

UNIV VIRGINIA PATENT FOUNDATION16 citations78
US12575196B2Mar 10, 2026

Mid-infrared avalanche photodiodes with low dark currents

UNIV VIRGINIA PATENT FOUNDATION0 citations49

UNIV TEXAS

1 patent
US7045833B2May 16, 2006

Avalanche photodiodes with an impact-ionization-engineered multiplication region

UNIV TEXAS36 citations92

GLOBUS TATIANA

1 patent
US10297707B1May 21, 2019

Thin film photovoltaic cell system and method of manufacture

GLOBUS TATIANA12 citations75

AT & T BELL LAB

1 patent
US4631566ADec 23, 1986

Long wavelength avalanche photodetector

AT & T BELL LAB10 citations73

TEXAS INSTRUMENTS INC

1 patent
US4116530ASep 26, 1978

Optical waveguides grown by selective liquid phase epitaxy

TEXAS INSTRUMENTS INC18 citations70

UNIV CHICAGO

1 patent
US12336323B2Jun 17, 2025

Avalanche photodiodes with adaptive quenching of photocurrent

UNIV CHICAGO0 citations56