Inventor
SCHULMAN JOEL N
US18 patents
⚠️ This page may combine multiple inventors who share the name “SCHULMAN JOEL N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HRL LAB LLC
8 patentsUS7583074B1Sep 1, 2009
Low cost millimeter wave imager
HRL LAB LLC249 citations97
US6635907B1Oct 21, 2003
Type II interband heterostructure backward diodes
HRL LAB LLC25 citations92
US7795859B1Sep 14, 2010
Low cost millimeter wave imager
HRL LAB LLC25 citations91
US7170105B1Jan 30, 2007
Type II interband heterostructure backward diodes
HRL LAB LLC7 citations73
US7700969B1Apr 20, 2010
Type II interband heterostructure backward diodes
HRL LAB LLC3 citations62
US6734470B1May 11, 2004
Laterally varying multiple diodes
HRL LAB LLC2 citations62
US6507043B1Jan 14, 2003
Epitaxially-grown backward diode
HRL LAB LLC4 citations62
US6812070B2Nov 2, 2004
Epitaxially-grown backward diode
HRL LAB LLC1 citations52
HUGHES AIRCRAFT CO
6 patentsUS4780749AOct 25, 1988
Double barrier tunnel diode having modified injection layer
HUGHES AIRCRAFT CO37 citations92
US4784476ANov 15, 1988
Nipi refractive index modulation apparatus and method
HUGHES AIRCRAFT CO23 citations82
US5606178AFeb 25, 1997
Bipolar resonant tunneling transistor
HUGHES AIRCRAFT CO17 citations73
US5489786AFeb 6, 1996
Current-controlled resonant tunneling device
HUGHES AIRCRAFT CO7 citations73
US5296721AMar 22, 1994
Strained interband resonant tunneling negative resistance diode
HUGHES AIRCRAFT CO10 citations73
US4760579AJul 26, 1988
Quantum well laser with charge carrier density enhancement
HUGHES AIRCRAFT CO6 citations52