Michael J. O'Callaghan — 10 Patents at Displaytech

Michael J. O'Callaghan has been granted 10 US patents while listed as an inventor at Displaytech. The first was granted in 1993 and the most recent in March 2012. Michael J. O'Callaghan ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Michael J. O'Callaghan in Louisville, CO, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8134771	Spatial light modulators with changeable phase masks for use in holographic data storage	Mark A. Handschy	2012-03-13	$4,684,000
8107344	Phase masks for use in holographic data storage	Mark A. Handschy, Christopher M. Walker	2012-01-31	$5,143,000
7733557	Spatial light modulators with changeable phase masks for use in holographic data storage	Mark A. Handschy	2010-06-08	$4,882,000
7656768	Phase masks for use in holographic data storage	Mark A. Handschy, Christopher M. Walker	2010-02-02	$3,689,000
6580078	Ferroelectric liquid crystal infrared chopper	William N. Thurmes	2003-06-17
6525709	Miniature display apparatus and method	—	2003-02-25
6369933	Optical correlator having multiple active components formed on a single integrated circuit	—	2002-04-09
6247037	Optical correlator having multiple active components formed on a single integrated circuit	—	2001-06-12
5552916	Diffractive light modulator	Mark A. Handschy	1996-09-03	$173,000
5182665	Diffractive light modulator	Mark A. Handschy	1993-01-26

Michael J. O'Callaghan — 10 Patents

Issued Patents All Time

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