P

Inventor

LIU YET-ZEN

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

ITT

5 patents
US4152044AMay 1, 1979

Galium aluminum arsenide graded index waveguide

ITT92 citations95
US4249967AFeb 10, 1981

Method of manufacturing a light-emitting diode by liquid phase epitaxy

ITT24 citations81
US3936855AFeb 3, 1976

Light-emitting diode fabrication process

ITT23 citations78
US4010483AMar 1, 1977

Current confining light emitting diode

ITT13 citations73
US4220960ASep 2, 1980

Light emitting diode structure

ITT4 citations61

US NAVY

2 patents
US4517674AMay 14, 1985

Zinc-diffused narrow stripe AlGaAs/GaAs double heterostructure laser

US NAVY6 citations59
US4521887AJun 4, 1985

W-shaped diffused stripe GaAs/AlGaAs laser

US NAVY3 citations58

FERMIONICS CORP

1 patent
US5192695AMar 9, 1993

Method of making an infrared detector

FERMIONICS CORP28 citations87

GTRAN INC

1 patent
US6623180B2Sep 23, 2003

High frequency optical module and method of making same

GTRAN INC22 citations81

ROCKWELL INTERNATIONAL CORP

1 patent
US4422091ADec 20, 1983

Backside illuminated imaging charge coupled device

ROCKWELL INTERNATIONAL CORP25 citations81

UNIV IOWA STATE RES FOUND INC

1 patent
US5465171ANov 7, 1995

Optical modulator device using a thin film resonator

UNIV IOWA STATE RES FOUND INC10 citations68