Inventor · disambiguated record
Kristina M. Johnson
Also filed as: JOHNSON KRISTINA · JOHNSON KRISTINA M · JOHNSON KRISTINA MARY
41 granted patents·4 pending applications·3,634 citations·filing 1990–2022
99Inventor score
Top patents by PatentIndex Score
45 records- 0198US5929946ARetarder stack for preconditioning light for a modulator having modulation and isotropic states of polarizationCOLORLINK INC·Filed 1997·Granted Jul 27, 1999·274 cites·65 claims
- 0298US5381253AChiral smectic liquid crystal optical modulators having variable retardationUNIV COLORADO BOARD OF·Filed 1991·Granted Jan 10, 1995·431 cites·74 claims
- 0397US6911964B2Frame buffer pixel circuit for liquid crystal displayUNIV DUKE·Filed 2002·Granted Jun 28, 2005·232 cites·22 claims
- 0497US6183091B1Color imaging systems and methodsCOLORLINK INC·Filed 1999·Granted Feb 6, 2001·186 cites·59 claims
- 0596US5658490ALiquid crystal achromatic compound retarderUNIV COLORADO·Filed 1995·Granted Aug 19, 1997·171 cites·84 claims
- 0695US5528393ASplit-element liquid crystal tunable optical filterUNIV COLORADO·Filed 1994·Granted Jun 18, 1996·150 cites·51 claims
- 0794US6417892B1Color filters, sequencers and displays using color selective light modulatorsCOLORLINK INC·Filed 1999·Granted Jul 9, 2002·141 cites·15 claims
- 0893US5243455AChiral smectic liquid crystal polarization interference filtersUNIV COLORADO FOUNDATION·Filed 1992·Granted Sep 7, 1993·125 cites·33 claims
- 0992US6784898B2Mixed mode grayscale method for display systemUNIV DUKE·Filed 2002·Granted Aug 31, 2004·55 cites·24 claims
- 1092US5868951AElectro-optical device and methodUNIV TECHNOLOGY CORP·Filed 1997·Granted Feb 9, 1999·136 cites·31 claims
- 1192US5132826AFerroelectric liquid crystal tunable filters and color generationUNIV COLORADO FOUNDATION·Filed 1990·Granted Jul 21, 1992·117 cites·40 claims
- 1291US6707516B1Single-panel field-sequential color display systemsCOLORLINK INC·Filed 1998·Granted Mar 16, 2004·121 cites·68 claims
- 1389US5619355ALiquid crystal handedness switch and color filterUNIV COLORADO·Filed 1993·Granted Apr 8, 1997·91 cites·20 claims
- 1488US7460101B2Frame buffer pixel circuit for liquid crystal displayUNIV DUKE·Filed 2005·Granted Dec 2, 2008·8 cites·14 claims
- 1588US5627666ALiquid crystal phase modulator using cholesteric circular polarizersUNIV COLORADO·Filed 1994·Granted May 6, 1997·80 cites·36 claims
- 1688US5231521AChiral smectic liquid crystal polarization interference filtersUNIV COLORADO FOUNDATION·Filed 1992·Granted Jul 27, 1993·83 cites·42 claims
- 1787US6273571B1Display architectures using an electronically controlled optical retarder stackCOLORLINK INC·Filed 1999·Granted Aug 14, 2001·100 cites·20 claims
- 1887US5822021AColor shutter liquid crystal display systemCOLORLINK INC·Filed 1996·Granted Oct 13, 1998·94 cites·30 claims
- 1986US6667784B2Color filters, sequencers and displays using color selective light modulatorsCOLORLINK INC·Filed 2002·Granted Dec 23, 2003·27 cites·12 claims
- 2086US6380997B1Achromatic polarization inverters for displaying inverse frames in DC balanced liquid crystal displaysCOLORLINK INC·Filed 1999·Granted Apr 30, 2002·69 cites·29 claims
- 2186US5999240AOptical retarder stack pair for transforming input light into polarization states having saturated color spectraCOLORLINK INC·Filed 1997·Granted Dec 7, 1999·83 cites·85 claims
- 2285US6049367APolarization manipulating device modulator with retarder stack which preconditions light for modulation and isotropic statesCOLORLINK INC·Filed 1997·Granted Apr 11, 2000·78 cites·134 claims
- 2384US5552912AChiral smectic liquid crystal optical modulatorsUNIV COLORADO·Filed 1992·Granted Sep 3, 1996·67 cites·10 claims
- 2481US5493426ALateral electrode smectic liquid crystal devicesUNIV COLORADO FOUNDATION·Filed 1993·Granted Feb 20, 1996·58 cites·86 claims
- 2580US6046786ASwitchable achromatic compound retarderUNIV TECHNOLOGY CORP·Filed 1997·Granted Apr 4, 2000·54 cites·26 claims
- 2680US5073010AOptically addressable spatial light modulator having a distorted helix ferroelectric liquid crystal memberUNIV COLORADO FOUNDATION·Filed 1990·Granted Dec 17, 1991·57 cites·37 claims
- 2779US6452646B1Optical retarder stack formed of multiple retarder sheetsCOLORLINK INC·Filed 1999·Granted Sep 17, 2002·54 cites·77 claims
- 2879US5919606ALiquid crystal cell and method for assembly thereofUNIV TECHNOLOGY CORP·Filed 1997·Granted Jul 6, 1999·57 cites·30 claims
- 2978US6252638B1Color controllable illumination device, indicator lights, transmissive windows and color filters employing retarder stacksCOLORLINK INC·Filed 1998·Granted Jun 26, 2001·55 cites·21 claims
- 3078US5361320ALiquid crystal fiber waveguideUNIV COLORADO FOUNDATION·Filed 1993·Granted Nov 1, 1994·44 cites·34 claims
- 3177US6899430B2Color imaging systems and methodsCOLORLINK INC·Filed 2000·Granted May 31, 2005·12 cites·28 claims
- 3274US5781268APolarization-insensitive fabry-perot tunable filterUNIV COLORADO·Filed 1996·Granted Jul 14, 1998·45 cites·26 claims
- 3373US5917568AAdaptive attenuating spatial light modulatorUNIV COLORADO·Filed 1994·Granted Jun 29, 1999·40 cites·21 claims
- 3471US6141069ALiquid crystal phase modulator using a ferroelectric liquid crystal with a rotatable axis and cholesteric circular polarizersUNIV TECHNOLOGY CORP·Filed 1997·Granted Oct 31, 2000·33 cites·20 claims
- 3568US6078374ASpatially switched achromatic compound retarderCOLORLINK INC·Filed 1998·Granted Jun 20, 2000·37 cites·30 claims
- 3663US5790691AMethod and apparatus for robust shape detection using a hit/miss transformUNIV COLORADO·Filed 1996·Granted Aug 4, 1998·76 cites·39 claims
- 3756US5510914ASmectic liquid crystal analog phase modulatorUNIV COLORADO·Filed 1993·Granted Apr 23, 1996·19 cites·44 claims
- 3855US6091462ASplit-element liquid crystal tunable optical filterUNIV COLORADO·Filed 1996·Granted Jul 18, 2000·19 cites·63 claims
- 3952US5377026AModulator using the linear electro-optic effect of liquid crystalsFiled 1992·Granted Dec 27, 1994·16 cites·13 claims
- 4050US6115111ASemiconductor laser based sensing deviceFiled 1998·Granted Sep 5, 2000·36 cites·51 claims
- 4143US2004196304A1Mixed mode grayscale method for display systemUNIV DUKE·Filed 2004·Application pending·0 cites
- 4241US2025046265A1Pixel circuits for liquid crystal on silicon phase modulatorOHIO STATE INNOVATION FOUNDATION·Filed 2022·Application pending·0 cites
- 4340US2005253776A1System and method for projecting images in an electronic deviceUNIV DUKE·Filed 2004·Application pending·0 cites
- 4439US2002171793A1Achromatic compound retarderCOLORLINK INC·Filed 2002·Application pending·0 cites
- 4526US6040883AProgrammable hologram generatorUNIV TECHNOLOGY CORP·Filed 1997·Granted Mar 21, 2000·3 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Kristina M. Johnson files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →