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Frans Leenhouts
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Eindhoven, NL
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Patents Grants
last 30 patents
Information
Patent Grant
Touch sensor display
Patent number
6,424,403
Issue date
Jul 23, 2002
Koninklijke Philips Electronics, N.V.
Frans Leenhouts
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Touch sensor display
Patent number
6,362,815
Issue date
Mar 26, 2002
Flat Panel Display Co. B.V.
Frans Leenhouts
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Plasma-addressed liquid crystal display with reduced column voltages
Patent number
6,233,028
Issue date
May 15, 2001
U.S. Philips Corporation
Jacob Bruinink
G02 - OPTICS
Information
Patent Grant
Color filter layer of cholesterically ordered material, and reflect...
Patent number
6,177,216
Issue date
Jan 23, 2001
U.S. Philips Corporation
Dirk J. Broer
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
5,883,686
Issue date
Mar 16, 1999
Flat Panel Display Co. (FDP) B. V.
Frans Leenhouts
G02 - OPTICS
Information
Patent Grant
Multi-domain LCD with subpixels having twist angles with opposite t...
Patent number
5,877,831
Issue date
Mar 2, 1999
Flat Panel Display Co. (FPD) B.V. Prof. Holstlaan 4
Frans Leenhouts
G02 - OPTICS
Information
Patent Grant
Illumination system using cholesteric polarizer, linear polarizer f...
Patent number
5,825,444
Issue date
Oct 20, 1998
U.S. Philips Corporation
Dirk J. Broer
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device having a cholesteric order with a pit...
Patent number
5,798,808
Issue date
Aug 25, 1998
U.S. Philips Corporation
Johannes A. M. M. Van Haaren
G02 - OPTICS