P

Inventor

SMITH RONALD T

US129 patents
⚠️ This page may combine multiple inventors who share the name “SMITH RONALD T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUGHES AIRCRAFT CO

29 patents
US5341230AAug 23, 1994

Waveguide holographic telltale display

HUGHES AIRCRAFT CO180 citations99
US5278532AJan 11, 1994

Automotive instrument virtual image display

HUGHES AIRCRAFT CO176 citations99
US5013134AMay 7, 1991

Ghost-free automotive head-up display employing a wedged windshield

HUGHES AIRCRAFT CO165 citations99
US4807978AFeb 28, 1989

Color display device and method using holographic lenses

HUGHES AIRCRAFT CO168 citations99
US5650865AJul 22, 1997

Holographic backlight for flat panel displays

HUGHES AIRCRAFT CO88 citations96
US5347435ASep 13, 1994

Linear lamp holographic trapped beam center high mounted stoplight

HUGHES AIRCRAFT CO73 citations96
US5053755AOct 1, 1991

Automotive head-up display with high brightness in daytime and high contrast in nighttime

HUGHES AIRCRAFT CO76 citations96
US5016950AMay 21, 1991

Full-color zero-order suppressed diffraction optics diffusing screen/louver filter laminate

HUGHES AIRCRAFT CO66 citations96
US4981332AJan 1, 1991

Dispersion-compensated windshield hologram virtual image display

HUGHES AIRCRAFT CO82 citations96
US4973132ANov 27, 1990

Polarized holographic heads up display

HUGHES AIRCRAFT CO56 citations96
US4968117ANov 6, 1990

Graded index asperhic combiners and display system utilizing same

HUGHES AIRCRAFT CO116 citations96
US4960314AOct 2, 1990

Diffraction optics diffusing screen laminate for full color on-axis viewing

HUGHES AIRCRAFT CO74 citations96
US4586780AMay 6, 1986

Directional diffusing screen with suppressed zero-order light

HUGHES AIRCRAFT CO58 citations96
US4545646AOct 8, 1985

Process for forming a graded index optical material and structures formed thereby

HUGHES AIRCRAFT CO108 citations96
US5101193AMar 31, 1992

Universal stand-alone holographic center high mounted stoplight

HUGHES AIRCRAFT CO59 citations95
US5721598AFeb 24, 1998

High efficiency, high color purity, on-axis holographic color filter and full-color liquid crystal display

HUGHES AIRCRAFT CO40 citations93
US5669693ASep 23, 1997

Holographic thin taillamp

HUGHES AIRCRAFT CO39 citations93
US5608552AMar 4, 1997

Liquid crystal display having an off-axis full-color holographic filter

HUGHES AIRCRAFT CO26 citations93
US5289298AFeb 22, 1994

Multiplex grating holographic floodlit center high mounted stoplight

HUGHES AIRCRAFT CO21 citations93
US5106174AApr 21, 1992

Ideal distribution CHMSL hologram with double exposure technique

HUGHES AIRCRAFT CO28 citations93
US5044709ASep 3, 1991

LED array polarized image source/0 degree hologram virtual image head up display

HUGHES AIRCRAFT CO42 citations93
US5011244AApr 30, 1991

Holographic full color data retrieval and projection system

HUGHES AIRCRAFT CO42 citations93
US5007690AApr 16, 1991

Holographic data storage and retrieval system

HUGHES AIRCRAFT CO65 citations93
US4916593AApr 10, 1990

Remotely illuminated transparent holographic stoplight for automobiles

HUGHES AIRCRAFT CO27 citations93
US4859492AAug 22, 1989

Process for forming an environmentally stable optical coating thereby

HUGHES AIRCRAFT CO74 citations93
US5009502AApr 23, 1991

System of holographic optical elements for testing laser range finders

HUGHES AIRCRAFT CO49 citations92
US4586781AMay 6, 1986

Diffraction optics diffusing screen

HUGHES AIRCRAFT CO49 citations92
US5495227AFeb 27, 1996

Multiple format holographic CHMSLS

HUGHES AIRCRAFT CO20 citations91
US5698906ADec 16, 1997

Remotely-controlled locking systems employing a holographic display

HUGHES AIRCRAFT CO30 citations90

SMITH RONALD T

4 patents

ALCON INC

3 patents

DELCO ELECTRONICS CORP

3 patents

RAYTHEON CO

2 patents

NOVARTIS AG

2 patents

DIGILENS INC

1 patent

AULD JACK ROBERT

1 patent

US AIR FORCE

1 patent

HORVATH CHRISTOPHER

1 patent

PAPAC MICHAEL J

1 patent

VICTOR COMPANY OF JAPAN

1 patent

DIAO CHENGUANG

1 patent

Showing the top 50 of 129 patents by PatentIndex Score.