Inventor · disambiguated record
Keith Johnston
Also filed as: JOHNSTON KEITH · JOHNSTON KEITH A · JOHNSTON KEITH M
16 granted patents·4 pending applications·200 citations·filing 1990–2016
93Inventor score
Files withSUNPOWER CORP9JOHNSTON KEITH2LINDERMAN RYAN2ABILITY CENTER OF GREATER TOLE1ENPHASE ENERGY INC1
Top patents by PatentIndex Score
20 records- 0195US9190839B2Circuits and methods for limiting open circuit voltage of photovoltaic stringsSUNPOWER CORP·Filed 2013·Granted Nov 17, 2015·19 cites·13 claims
- 0295US8630077B2Circuits and methods for limiting open circuit voltage of photovoltaic stringsJOHNSTON KEITH·Filed 2011·Granted Jan 14, 2014·26 cites·16 claims
- 0394US8786095B2Interconnect for an optoelectronic deviceSUNPOWER CORP·Filed 2013·Granted Jul 22, 2014·18 cites·16 claims
- 0493US8426974B2Interconnect for an optoelectronic deviceLINDERMAN RYAN·Filed 2010·Granted Apr 23, 2013·18 cites·20 claims
- 0591US8563849B2Diode and heat spreader for solar moduleJOHNSTON KEITH·Filed 2010·Granted Oct 22, 2013·26 cites·14 claims
- 0689US8809671B2Optoelectronic device with bypass diodeLINDERMAN RYAN·Filed 2010·Granted Aug 19, 2014·27 cites·21 claims
- 0787US9397611B2Photovoltaic systems with local maximum power point tracking prevention and methods for operating sameJUDKINS ZACHARY S·Filed 2012·Granted Jul 19, 2016·7 cites·19 claims
- 0886US9923374B2Photovoltaic systems with local maximum power point tracking prevention and methods for operating sameSUNPOWER CORP·Filed 2016·Granted Mar 20, 2018·5 cites·20 claims
- 0985US11894805B2Device for reducing the open circuit voltage of a solar systemENPHASE ENERGY INC·Filed 2016·Granted Feb 6, 2024·2 cites·12 claims
- 1077US5050826ABody support apparatusABILITY CENTER OF GREATER TOLE·Filed 1990·Granted Sep 24, 1991·50 cites·10 claims
- 1167US9472691B2Device for shunting current from photovoltaic circuit near the open circuit voltage and/or disconnecting solar module of a solar systemKRAFT STEVEN M·Filed 2011·Granted Oct 18, 2016·1 cites·9 claims
- 1263US9685573B2Diode and heat spreader for solar moduleSUNPOWER CORP·Filed 2013·Granted Jun 20, 2017·0 cites·22 claims
- 1361US2014352761A1Optoelectronic device with bypass diodeSUNPOWER CORP·Filed 2014·Application pending·0 cites
- 1456US9710005B2Parallel busSUNPOWER CORP·Filed 2014·Granted Jul 18, 2017·1 cites·13 claims
- 1556US9537036B2Interconnect for an optoelectronic deviceSUNPOWER CORP·Filed 2014·Granted Jan 3, 2017·0 cites·17 claims
- 1652US9735729B2Circuits and methods for limiting open circuit voltage of photovoltaic stringsSUNPOWER CORP·Filed 2015·Granted Aug 15, 2017·0 cites·18 claims
- 1752US2006255327A1Tubular post and rail fencing systemJOHNSTON KEITH A·Filed 2006·Application pending·0 cites
- 1846US9927827B2Electrical independence of tracker rowsSUNPOWER CORP·Filed 2014·Granted Mar 27, 2018·0 cites·13 claims
- 1934US2016284909A1Multi-diode solar cellsHARLEY GABRIEL·Filed 2015·Application pending·0 cites
- 2029US2016079914A1Integrated tracker controllerWU JUNBO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →