Inventor · disambiguated record
Wilbert J. A. M. Hartmann
Also filed as: HARTMANN WILBERT J A M
7 granted patents·169 citations·filing 1988–1996
87Inventor score
Files withPHILIPS CORP7
Top patents by PatentIndex Score
7 records- 0183US4840462AMethod of driving a ferroelectric liquid crystal display device and associated display device to achieve gray scalePHILIPS CORP·Filed 1988·Granted Jun 20, 1989·48 cites·9 claims
- 0265US5151804AFerroelectric liquid crystal display having a spread of angles for grayscale and method of manufacturePHILIPS CORP·Filed 1990·Granted Sep 29, 1992·35 cites·33 claims
- 0363US5404236ADisplay device with crossing electrodes with specific ratio for gray scalePHILIPS CORP·Filed 1994·Granted Apr 4, 1995·27 cites·24 claims
- 0462US4976515AMethod of driving a ferroelectric to display device to achieve gray scalesPHILIPS CORP·Filed 1988·Granted Dec 11, 1990·22 cites·16 claims
- 0555US5208689AElectro-optic display device with increased number of transmission levelsPHILIPS CORP·Filed 1991·Granted May 4, 1993·19 cites·22 claims
- 0641US5047758AMethod of driving a passive ferro-electric liquid crystal display devicePHILIPS CORP·Filed 1990·Granted Sep 10, 1991·9 cites·18 claims
- 0733US5805131AFerroelectric display device with temperature compensationPHILIPS CORP·Filed 1996·Granted Sep 8, 1998·9 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →