P

Inventor

CHERN MAO-JIN

US22 patents
⚠️ This page may combine multiple inventors who share the name “CHERN MAO-JIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUGHES AIRCRAFT CO

16 patents
US5440428AAug 8, 1995

Automotive instrument 3-D virtual image display

HUGHES AIRCRAFT CO599 citations99
US5278532AJan 11, 1994

Automotive instrument virtual image display

HUGHES AIRCRAFT CO176 citations99
US5436763AJul 25, 1995

Wide spectral bandwidth virtual image display optical system

HUGHES AIRCRAFT CO129 citations98
US5383053AJan 17, 1995

Virtual image display having a high efficiency grid beamsplitter

HUGHES AIRCRAFT CO171 citations98
US5121099AJun 9, 1992

Two-page automotive virtual image display

HUGHES AIRCRAFT CO60 citations96
US5053755AOct 1, 1991

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

HUGHES AIRCRAFT CO76 citations96
US4968117ANov 6, 1990

Graded index asperhic combiners and display system utilizing same

HUGHES AIRCRAFT CO116 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
US5028119AJul 2, 1991

Aircraft head-up display

HUGHES AIRCRAFT CO77 citations94
US5082337AJan 21, 1992

Filter device employing a holographic element

HUGHES AIRCRAFT CO25 citations93
US5007690AApr 16, 1991

Holographic data storage and retrieval system

HUGHES AIRCRAFT CO65 citations93
US5363241ANov 8, 1994

Focusable virtual image display

HUGHES AIRCRAFT CO27 citations92
US4973139ANov 27, 1990

Automotive head-up display

HUGHES AIRCRAFT CO53 citations91
US4637678AJan 20, 1987

Holographic laser protection device

HUGHES AIRCRAFT CO40 citations89
US5264913ANov 23, 1993

Reduced combiner helicopter sight system

HUGHES AIRCRAFT CO8 citations74

MINNESOTA MINING & MFG

3 patents

US AIR FORCE

1 patent

VIVITEK CO LTD

1 patent

(unassigned)

1 patent