P

Inventor

LANDIS GEOFFREY A

US10 patents
⚠️ This page may combine multiple inventors who share the name “LANDIS GEOFFREY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NASA

3 patents
US7148417B1Dec 12, 2006

GaP/silicon tandem solar cell with extended temperature range

NASA60 citations95
US6978611B1Dec 27, 2005

MEMS closed chamber heat engine and electric generator

NASA31 citations92
US9418844B1Aug 16, 2016

Selenium interlayer for high-efficiency multijunction solar cell

NASA0 citations51

SPIRE CORP

2 patents
US4620364ANov 4, 1986

Method of making a cross-grooved solar cell

SPIRE CORP28 citations92
US4608451AAug 26, 1986

Cross-grooved solar cell

SPIRE CORP40 citations92

LANDIS GEOFFREY A

2 patents
US8212138B2Jul 3, 2012

Reverse bias protected solar array with integrated bypass battery

LANDIS GEOFFREY A32 citations90
US9117948B1Aug 25, 2015

Selenium interlayer for high-efficiency multijunction solar cell

LANDIS GEOFFREY A3 citations60

NASA GLENN RES CT

1 patent
US6967462B1Nov 22, 2005

Charging of devices by microwave power beaming

NASA GLENN RES CT865 citations96

SVERDRUP TECHNOLOGY INC

1 patent
US5261970ANov 16, 1993

Optoelectronic and photovoltaic devices with low-reflectance surfaces

SVERDRUP TECHNOLOGY INC105 citations94

US ARMY

1 patent
US5322573AJun 21, 1994

InP solar cell with window layer

US ARMY33 citations86