FL

Frans Leenhouts

Hoffmann-La Roche: 9 patents #421 of 3,238Top 15%
U.S. Philips: 5 patents #914 of 8,851Top 15%
Philips: 2 patents #2,426 of 7,731Top 35%
SA Siemens Aktiengesellschaft: 2 patents #6,658 of 22,248Top 30%
TL Tpo Hong Kong Holding Limited: 1 patents #26 of 61Top 45%
Overall (All Time): #186,233 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7616276 Light recycling in a transflective LCD Martinus Petrus Creusen, Hendrik Christiaan Maria Hermens 2009-11-10
6795149 Liquid crystal reflective display Joost Peter Andre Vogels, Peter Van De Witte 2004-09-21
6424403 Touch sensor display Glenn Adler 2002-07-23
6362815 Touch sensor display 2002-03-26
6239791 Touch sensor display Glenn Adler 2001-05-29
6233028 Plasma-addressed liquid crystal display with reduced column voltages Jacob Bruinink 2001-05-15
6177216 Color filter layer of cholesterically ordered material, and reflective LCD provided with such a color filter layer Dirk Jan Broer, Grietje N. Mol 2001-01-23
5883686 Liquid crystal display device Peter B. A. Wolfs 1999-03-16
5877831 Multi-domain LCD with subpixels having twist angles with opposite twist sense of within 60 and small/greater 90 degrees Nicolaas A.J.M. Van Aerle 1999-03-02
5825444 Illumination system using cholesteric polarizer, linear polarizer for such illumination system and display device comprising such as illumination system Dirk Jan Broer, Johannes A. M. M. Van Haaren, Grietje N. Mol 1998-10-20
5798808 Liquid crystal display device having a cholesteric order with a pitch of helix less than 0.25 microns and a retardation foil Johannes A. M. M. Van Haaren, Dirk Jan Broer 1998-08-25
5411676 Chiral dopants for liquid crystalline mixtures Stephen Kelly 1995-05-02
5356563 Liquid crystalline mixtures having a chiral tilted smectic phase Richard Buchecker, Stephen Kelly 1994-10-18
5346647 Cyclohexane compounds used in liquid crystalline mixtures Stephen Kelly 1994-09-13
5250222 Optically active compounds used for liquid crystalline mixtures Stephen Kelly, Alois Villiger 1993-10-05
5244597 Liquid crystalline mixtures having a chiral tilted smectic phase Richard Buchecker, Stephen Kelly 1993-09-14
5104569 Liquid crystalline mixtures including 2-phenylpyridine compounds Alois Villiger 1992-04-14
5093027 Chiral dopants for liquid crystalline mixtures Stephen Kelly 1992-03-03
5004324 Liquid crystal display Martin Schadt 1991-04-02
4896947 Liquid crystal display cell 1990-01-30
4609255 Liquid crystal display with twist angle less than 80 degrees Maarten de Zwart 1986-09-02
4529272 Liquid-crystal display with reduced reflection Hans Kruger 1985-07-16
4521079 Low-reflection liquid-crystal display Hans Kruger 1985-06-04