P

Inventor

O'CALLAGHAN MICHAEL J

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

DISPLAYTECH INC

5 patents
US5182665AJan 26, 1993

Diffractive light modulator

DISPLAYTECH INC186 citations98
US6525709B1Feb 25, 2003

Miniature display apparatus and method

DISPLAYTECH INC69 citations95
US5552916ASep 3, 1996

Diffractive light modulator

DISPLAYTECH INC62 citations95
US6580078B1Jun 17, 2003

Ferroelectric liquid crystal infrared chopper

DISPLAYTECH INC25 citations92
US6247037B1Jun 12, 2001

Optical correlator having multiple active components formed on a single integrated circuit

DISPLAYTECH INC16 citations83

MICRON TECHNOLOGY INC

2 patents
US7733557B2Jun 8, 2010

Spatial light modulators with changeable phase masks for use in holographic data storage

MICRON TECHNOLOGY INC16 citations92
US7656768B2Feb 2, 2010

Phase masks for use in holographic data storage

MICRON TECHNOLOGY INC5 citations62

HANDSCHY MARK A

2 patents
US8134771B2Mar 13, 2012

Spatial light modulators with changeable phase masks for use in holographic data storage

HANDSCHY MARK A4 citations62
US8107344B2Jan 31, 2012

Phase masks for use in holographic data storage

HANDSCHY MARK A2 citations61

DISPLAY TECH INC

1 patent
US6369933B1Apr 9, 2002

Optical correlator having multiple active components formed on a single integrated circuit

DISPLAY TECH INC29 citations91