Inventor
VANDERPLOEG JOHN A
US36 patents
⚠️ This page may combine multiple inventors who share the name “VANDERPLOEG JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GENTEX CORP
15 patentsUS9709869B2Jul 18, 2017
Electro-optic system configured to reduce a perceived color change
GENTEX CORP115 citations99
US10733437B2Aug 4, 2020
Display assembly incorporating an image sensor
GENTEX CORP7 citations84
US9834146B2Dec 5, 2017
Automatic display mirror assembly
GENTEX CORP10 citations83
US10071689B2Sep 11, 2018
Rearview mirror system with a display
GENTEX CORP3 citations73
US9637054B2May 2, 2017
Switchable rearview mirror element with anti-reflection mechanisms for use with a display
GENTEX CORP2 citations72
US10684471B2Jun 16, 2020
Vehicle display comprising focal distance correction feature
GENTEX CORP1 citations63
US9511715B2Dec 6, 2016
Backlighting assembly for display for reducing cross-hatching
GENTEX CORP2 citations63
US8964278B2Feb 24, 2015
Electro-optic system configured to reduce a perceived color change
GENTEX CORP2 citations63
US11305621B2Apr 19, 2022
Vehicle display system with reflection control
GENTEX CORP0 citations62
US9720278B2Aug 1, 2017
Low cost optical film stack
GENTEX CORP0 citations52
US9598018B2Mar 21, 2017
Display mirror assembly
GENTEX CORP1 citations52
US9442342B2Sep 13, 2016
Electro-optic system configured to reduce a perceived color change
GENTEX CORP0 citations52
US9096181B2Aug 4, 2015
Electro-optic system configured to reduce a perceived color change
GENTEX CORP0 citations52
US10705332B2Jul 7, 2020
Tri-modal display mirror assembly
GENTEX CORP0 citations51
US10429713B2Oct 1, 2019
Selectively-transparent electrochromic display
GENTEX CORP0 citations42
OPTICAL IMAGING SYST
9 patentsUS5963284AOct 5, 1999
LCD with diffuser having diffusing particles therein located between polarizers
OPTICAL IMAGING SYST144 citations97
US5949506ASep 7, 1999
LCD with diffuser having diffusing particles therein located between polarizers
OPTICAL IMAGING SYST142 citations97
US6023317AFeb 8, 2000
Normally white twisted nematic LCD with positive and negative retarders
OPTICAL IMAGING SYST40 citations96
US5990997ANov 23, 1999
NW twisted nematic LCD with negative tilted retarders for improved viewing characteristics
OPTICAL IMAGING SYST65 citations96
US5895106AApr 20, 1999
NW twisted nematic LCD with negative tilted retarders on one side of liquid crystal cell
OPTICAL IMAGING SYST83 citations96
US5859681AJan 12, 1999
Normally white twisted nematic LCD with positive uniaxial and nebative biaxial retarders having nx >ny >nz
OPTICAL IMAGING SYST61 citations96
US5657140AAug 12, 1997
Normally white twisted nematic LCD with positive and negative retarders
OPTICAL IMAGING SYST40 citations96
US6292242B1Sep 18, 2001
Normally white twisted nematic LCD with positive uniaxial and negative biaxial retarders
OPTICAL IMAGING SYST32 citations93
US5739881AApr 14, 1998
Normally white twisted nematic LCD with positive and negative retarders
OPTICAL IMAGING SYST34 citations93
GUARDIAN INDUSTRIES
4 patentsUS6567143B1May 20, 2003
NW twisted nematic LCD with negative and tilted retarders on each side of liquid crystal cell to improve vertical contrast ratios
GUARDIAN INDUSTRIES24 citations93
US7713633B2May 11, 2010
EMI filter for plasma display panel
GUARDIAN INDUSTRIES15 citations92
US7931971B2Apr 26, 2011
EMI filter for plasma display panel
GUARDIAN INDUSTRIES9 citations84
US7695785B2Apr 13, 2010
Coated article with oxides and/or oxynitrides of antimony and/or zinc dielectric layer(s) and corresponding method
GUARDIAN INDUSTRIES12 citations84