Inventor
SEOK KYOUNG-WOOK
US50 patents
⚠️ This page may combine multiple inventors who share the name “SEOK KYOUNG-WOOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IXYS CORP
26 patentsUS9082845B1Jul 14, 2015
Super junction field effect transistor
IXYS CORP37 citations94
US9595950B1Mar 14, 2017
High-voltage stacked transistor circuit
IXYS CORP16 citations84
US8344480B2Jan 1, 2013
Insulated gate bipolar transistor
IXYS CORP14 citations83
US9780168B2Oct 3, 2017
IGBT with waved floating P-well electron injection
IXYS CORP3 citations73
US9641065B2May 2, 2017
AC line filter and AC-to-DC rectifier module
IXYS CORP3 citations73
US9219416B2Dec 22, 2015
Buck converter having self-driven BJT synchronous rectifier
IXYS CORP4 citations73
US9042143B2May 26, 2015
Low forward voltage rectifier using capacitive current splitting
IXYS CORP4 citations73
US9350254B2May 24, 2016
Low forward voltage rectifier
IXYS CORP1 citations63
US9106139B2Aug 11, 2015
Low forward voltage rectifier
IXYS CORP2 citations63
US9041075B2May 26, 2015
Full bridge rectifier module
IXYS CORP3 citations63
US7589301B2Sep 15, 2009
Induction heating device having plural resonant circuits
IXYS CORP5 citations63
US10217847B2Feb 26, 2019
Power transistor with increased avalanche current and energy rating
IXYS CORP1 citations62
US7459659B2Dec 2, 2008
Induction heating circuit and winding method for heating coils
IXYS CORP2 citations62
US10062686B2Aug 28, 2018
Reverse bipolar junction transistor integrated circuit
IXYS CORP0 citations52
US10038088B2Jul 31, 2018
Power MOSFET having improved manufacturability, low on-resistance and high breakdown voltage
IXYS CORP1 citations52
US10038383B2Jul 31, 2018
Low forward voltage rectifier using capacitive current splitting
IXYS CORP0 citations52
US9948205B2Apr 17, 2018
AC line filter and AC-to-DC rectifier module
IXYS CORP0 citations52
US9923324B2Mar 20, 2018
AC line filter and AC-to-DC rectifier module
IXYS CORP1 citations52
US9837529B1Dec 5, 2017
Power MOSFET having improved manufacturability, low on-resistance and high breakdown voltage
IXYS CORP1 citations52
US9800159B2Oct 24, 2017
Buck converter having self-driven BJT synchronous rectifier
IXYS CORP0 citations52
US9780202B2Oct 3, 2017
Trench IGBT with waved floating P-well electron injection
IXYS CORP0 citations52
US9590092B2Mar 7, 2017
Super junction field effect transistor with internal floating ring
IXYS CORP0 citations52
US9589953B2Mar 7, 2017
Reverse bipolar junction transistor integrated circuit
IXYS CORP0 citations52
US9337171B2May 10, 2016
Full bridge rectifier module
IXYS CORP1 citations52
US9263959B2Feb 16, 2016
Forward converter with self-driven BJT synchronous rectifier
IXYS CORP0 citations52
US8900943B2Dec 2, 2014
Vertical power MOSFET and IGBT fabrication process with two fewer photomasks
IXYS CORP0 citations51
LITTELFUSE INC
11 patentsUS10361276B1Jul 23, 2019
Embedded field plate field effect transistor
LITTELFUSE INC7 citations73
US11652167B2May 16, 2023
Semiconductor device having junction termination structure and method of formation
LITTELFUSE INC0 citations62
US11600693B2Mar 7, 2023
Power semiconductor device having guard ring structure, and method of formation
LITTELFUSE INC0 citations62
US11355628B2Jun 7, 2022
Semiconductor device having junction termination structure and method of formation
LITTELFUSE INC0 citations62
US10985242B2Apr 20, 2021
Power semiconductor device having guard ring structure, and method of formation
LITTELFUSE INC0 citations62
US10601331B2Mar 24, 2020
Forward converter with self-driven BJT synchronous rectifier
LITTELFUSE INC0 citations52
US10535760B2Jan 14, 2020
IGBT die structure with auxiliary P well terminal
LITTELFUSE INC0 citations52
US10446641B2Oct 15, 2019
Super junction field effect transistor with internal floating ring
LITTELFUSE INC0 citations52
US10446674B2Oct 15, 2019
Trench IGBT with waved floating P-well electron injection
LITTELFUSE INC0 citations52
US10424677B2Sep 24, 2019
Charge carrier extraction inverse diode
LITTELFUSE INC0 citations42
US10367085B2Jul 30, 2019
IGBT with waved floating P-Well electron injection
LITTELFUSE INC0 citations42
SEOK KYOUNG WOOK
8 patentsUS8686513B1Apr 1, 2014
IGBT assembly having circuitry for injecting/extracting current into/from an auxiliary P well
SEOK KYOUNG WOOK15 citations84
US8648399B2Feb 11, 2014
Bipolar junction transistor for current driven synchronous rectifier
SEOK KYOUNG WOOK7 citations84
US8649199B2Feb 11, 2014
Low forward voltage rectifier
SEOK KYOUNG WOOK11 citations84
US9793352B1Oct 17, 2017
IGBT assembly having saturable inductor for soft landing a diode recovery current
SEOK KYOUNG WOOK6 citations80
US8737094B2May 27, 2014
Transformer drive for low conduction loss rectifier in flyback converter
SEOK KYOUNG WOOK8 citations80
US8741709B2Jun 3, 2014
Vertical power MOSFET and IGBT fabrication process with two fewer photomasks
SEOK KYOUNG WOOK5 citations71
US9911838B2Mar 6, 2018
IGBT die structure with auxiliary P well terminal
SEOK KYOUNG WOOK0 citations52
US8742451B2Jun 3, 2014
Power transistor with increased avalanche current and energy rating
SEOK KYOUNG WOOK1 citations52
IXYS LLC
3 patentsUS10014852B2Jul 3, 2018
High-voltage stacked transistor circuit
IXYS LLC0 citations52
US10249716B1Apr 2, 2019
IGBT assembly having saturable inductor for soft landing a diode recovery current
IXYS LLC0 citations48
US10319669B2Jun 11, 2019
Packaged fast inverse diode component for PFC applications
IXYS LLC0 citations41