Inventor
LADD JOHN
US30 patents
⚠️ This page may combine multiple inventors who share the name “LADD JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RAMBUS INC
10 patentsUS10104318B2Oct 16, 2018
High dynamic-range image sensor
RAMBUS INC26 citations94
US9264639B2Feb 16, 2016
Feedthrough-compensated image sensor
RAMBUS INC21 citations92
US10798322B2Oct 6, 2020
High dynamic-range image sensor
RAMBUS INC11 citations85
US10070084B2Sep 4, 2018
Image sensor with multi-range readout
RAMBUS INC7 citations84
US11012649B2May 18, 2021
Feedthrough-compensated image sensor
RAMBUS INC3 citations73
US10652493B2May 12, 2020
Low-noise, high dynamic-range image sensor
RAMBUS INC3 citations73
US10567683B2Feb 18, 2020
Image sensor with depletion-level pixel charge transfer control
RAMBUS INC3 citations73
US10356350B2Jul 16, 2019
Dark-emulation image sensor
RAMBUS INC2 citations73
US10165209B2Dec 25, 2018
Low-noise, high dynamic-range image sensor
RAMBUS INC2 citations73
US9432597B2Aug 30, 2016
Low-noise, high dynamic-range image sensor
RAMBUS INC3 citations73
APTINA IMAGING CORP
10 patentsUS8350940B2Jan 8, 2013
Image sensors and color filter arrays for charge summing and interlaced readout modes
APTINA IMAGING CORP46 citations94
US7920193B2Apr 5, 2011
Methods, systems and apparatuses using barrier self-calibration for high dynamic range imagers
APTINA IMAGING CORP19 citations92
US7969494B2Jun 28, 2011
Imager and system utilizing pixel with internal reset control and method of operating same
APTINA IMAGING CORP8 citations84
US7663167B2Feb 16, 2010
Split transfer gate for dark current suppression in an imager pixel
APTINA IMAGING CORP9 citations84
US7538304B2May 26, 2009
Reducing noise in an imager by sampling signals with a plurality of capacitances connected to an output line
APTINA IMAGING CORP10 citations84
US7642107B2Jan 5, 2010
Split transfer gate for dark current suppression an imager pixel
APTINA IMAGING CORP5 citations74
US7696597B2Apr 13, 2010
Split transfer gate for dark current suppression in an imager pixel
APTINA IMAGING CORP1 citations63
US7858914B2Dec 28, 2010
Method and apparatus for reducing dark current and hot pixels in CMOS image sensors
APTINA IMAGING CORP4 citations62
US7704782B2Apr 27, 2010
Method of forming pixel cells with color specific characteristics
APTINA IMAGING CORP4 citations62
US7619671B2Nov 17, 2009
Method, apparatus and system for charge injection suppression in active pixel sensors
APTINA IMAGING CORP5 citations60
MICRON TECHNOLOGY INC
3 patentsUS8021908B2Sep 20, 2011
Method and apparatus for dark current and blooming suppression in 4T CMOS imager pixel
MICRON TECHNOLOGY INC4 citations74
US7851798B2Dec 14, 2010
Method and apparatus for dark current and blooming suppression in 4T CMOS imager pixel
MICRON TECHNOLOGY INC6 citations74
US7808063B2Oct 5, 2010
Structure and method for FPN reduction in imaging devices
MICRON TECHNOLOGY INC3 citations63
LADD JOHN
3 patentsUS8278131B2Oct 2, 2012
Method and apparatus for dark current and blooming supression in 4T CMOS imager pixel
LADD JOHN2 citations60
US9105542B2Aug 11, 2015
Imaging systems and methods for providing a switchable impedance to ground
LADD JOHN0 citations48
US8829407B2Sep 9, 2014
Imaging systems and methods including pixel arrays with reduced numbers of metal lines and control signals
LADD JOHN0 citations39
SEMICONDUCTOR COMPONENTS IND LLC
2 patentsUS9584745B2Feb 28, 2017
Image sensors with N-row parallel readout capability
SEMICONDUCTOR COMPONENTS IND LLC15 citations84
US9531976B2Dec 27, 2016
Systems and methods for operating image sensor pixels having different sensitivities and shared charge storage regions
SEMICONDUCTOR COMPONENTS IND LLC6 citations72