KJ

Keith Johnston

SU Sunpower: 14 patents #42 of 453Top 10%
EE Enphase Energy: 1 patents #68 of 128Top 55%
Overall (All Time): #287,818 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11894805 Device for reducing the open circuit voltage of a solar system Steven M. Kraft, Kevin C. Fischer, Greg Beardsworth, Zachary S. Judkins 2024-02-06
9927827 Electrical independence of tracker rows Nicholas Ford 2018-03-27
9923374 Photovoltaic systems with local maximum power point tracking prevention and methods for operating same Zachary S. Judkins 2018-03-20
9735729 Circuits and methods for limiting open circuit voltage of photovoltaic strings Zachary S. Judkins 2017-08-15
9710005 Parallel bus Nicholas Ford 2017-07-18
9685573 Diode and heat spreader for solar module Ryan Linderman, Lewis Abra, Matthew Dawson 2017-06-20
9537036 Interconnect for an optoelectronic device Ryan Linderman, Thomas Phu, Matthew Dawson 2017-01-03
9472691 Device for shunting current from photovoltaic circuit near the open circuit voltage and/or disconnecting solar module of a solar system Steven M. Kraft, Kevin C. Fischer, Greg Beardsworth, Zachary S. Judkins 2016-10-18
9397611 Photovoltaic systems with local maximum power point tracking prevention and methods for operating same Zachary S. Judkins 2016-07-19
9190839 Circuits and methods for limiting open circuit voltage of photovoltaic strings Zachary S. Judkins 2015-11-17
8809671 Optoelectronic device with bypass diode Ryan Linderman, Doug Rose, Nicholas Boitnott, David DeGraaff 2014-08-19
8786095 Interconnect for an optoelectronic device Ryan Linderman, Thomas Phu, Matthew Dawson 2014-07-22
8630077 Circuits and methods for limiting open circuit voltage of photovoltaic strings Zachary S. Judkins 2014-01-14
8563849 Diode and heat spreader for solar module Ryan Linderman, Lewis Abra, Matthew Dawson 2013-10-22
8426974 Interconnect for an optoelectronic device Ryan Linderman, Thomas Phu, Matthew Dawson 2013-04-23
5050826 Body support apparatus 1991-09-24