Assignee
IXYS CORP
US161 patents
Top patents by PatentIndex Score
US7442630B2Oct 28, 2008
Method for fabricating forward and reverse blocking devices
IXYS CORP117 citations98
US6323090B1Nov 27, 2001
Semiconductor device with trenched substrate and method
IXYS CORP83 citations98
US5596466AJan 21, 1997
Intelligent, isolated half-bridge power module
IXYS CORP252 citations98
US5500616AMar 19, 1996
Overvoltage clamp and desaturation detection circuit
IXYS CORP138 citations97
US7259623B2Aug 21, 2007
RF generator with reduced size and weight
IXYS CORP47 citations96
US5063307ANov 5, 1991
Insulated gate transistor devices with temperature and current sensor
IXYS CORP71 citations96
US4931844AJun 5, 1990
High power transistor with voltage, current, power, resistance, and temperature sensing capability
IXYS CORP55 citations96
US6731002B2May 4, 2004
High frequency power device with a plastic molded package and direct bonded substrate
IXYS CORP68 citations95
US6683344B2Jan 27, 2004
Rugged and fast power MOSFET and IGBT
IXYS CORP44 citations95
US9082845B1Jul 14, 2015
Super junction field effect transistor
IXYS CORP37 citations94
US5424709AJun 13, 1995
Circuit for providing isolation between components of a power control system and for communicating power and data through the isolation media
IXYS CORP68 citations94
US6162665ADec 19, 2000
High voltage transistors and thyristors
IXYS CORP39 citations93
US6147393ANov 14, 2000
Isolated multi-chip devices
IXYS CORP23 citations93
US6107674AAug 22, 2000
Isolated multi-chip devices
IXYS CORP44 citations93
US6091086AJul 18, 2000
Reverse blocking IGBT
IXYS CORP35 citations93
US5698454ADec 16, 1997
Method of making a reverse blocking IGBT
IXYS CORP42 citations93
US5629552AMay 13, 1997
Stable high voltage semiconductor device structure
IXYS CORP34 citations93
US5381025AJan 10, 1995
Insulated gate thyristor with gate turn on and turn off
IXYS CORP28 citations93
US5191279AMar 2, 1993
Current limiting method and apparatus
IXYS CORP22 citations93
US5034796AJul 23, 1991
Simplified current sensing structure for MOS power devices
IXYS CORP30 citations93
US4860072AAug 22, 1989
Monolithic semiconductor device and method of manufacturing same
IXYS CORP55 citations93
US4835592AMay 30, 1989
Semiconductor wafer with dice having briding metal structure and method of manufacturing same
IXYS CORP30 citations93
US7005734B2Feb 28, 2006
Double-sided cooling isolated packaged power semiconductor device
IXYS CORP28 citations92
US6917227B1Jul 12, 2005
Efficient gate driver for power device
IXYS CORP24 citations92
US6897492B2May 24, 2005
Power device with bi-directional level shift circuit
IXYS CORP19 citations92
US6771478B2Aug 3, 2004
Hot-swap protection circuit
IXYS CORP17 citations92
US6759692B1Jul 6, 2004
Gate driver with level shift circuit
IXYS CORP34 citations92
US6727585B2Apr 27, 2004
Power device with a plastic molded package and direct bonded substrate
IXYS CORP20 citations92
US6710463B2Mar 23, 2004
Electrically isolated power semiconductor package
IXYS CORP16 citations92
US6710405B2Mar 23, 2004
Non-uniform power semiconductor device
IXYS CORP16 citations92
US6638808B1Oct 28, 2003
Method of manufacturing gate driver with level shift circuit
IXYS CORP34 citations92
US6583505B2Jun 24, 2003
Electrically isolated power device package
IXYS CORP20 citations92
US5654896AAug 5, 1997
Performance prediction method for semiconductor power modules and ICS
IXYS CORP35 citations92
US5237481AAug 17, 1993
Temperature sensing device for use in a power transistor
IXYS CORP48 citations92
US5049961ASep 17, 1991
Monolithic temperature sensing device
IXYS CORP34 citations92
US9054587B2Jun 9, 2015
Non-isolated AC-to-DC converter having a low charging current initial power up mode
IXYS CORP22 citations90
US9473074B1Oct 18, 2016
Chopper stabilized amplifier with synchronous switched capacitor noise filtering
IXYS CORP18 citations89
US9443792B1Sep 13, 2016
Bridging DMB structure for wire bonding in a power semiconductor device module
IXYS CORP17 citations88
US6771119B2Aug 3, 2004
Active power filter for isolating electrically noisy load from low noise power supply
IXYS CORP23 citations88
US9590033B1Mar 7, 2017
Trench separation diffusion for high voltage device
IXYS CORP16 citations87
US6798060B2Sep 28, 2004
Power device and direct aluminum bonded substrate thereof
IXYS CORP22 citations87
US6670216B2Dec 30, 2003
Method for manufacturing a power semiconductor device and direct bonded substrate thereof
IXYS CORP24 citations87
US5017508AMay 21, 1991
Method of annealing fully-fabricated, radiation damaged semiconductor devices
IXYS CORP26 citations85
US9595950B1Mar 14, 2017
High-voltage stacked transistor circuit
IXYS CORP16 citations84
US9337744B1May 10, 2016
Efficient inrush current control in power factor corrected AC-to-DC converter
IXYS CORP13 citations84
US9276628B1Mar 1, 2016
Photovoltaic cell and E-ink display on the front side of a cell phone case
IXYS CORP19 citations84
US8575767B1Nov 5, 2013
Reflow of thermoplastic sheet for passivation of power integrated circuits
IXYS CORP14 citations84
US6832356B1Dec 14, 2004
Gate driver for power device
IXYS CORP14 citations84
US9419118B1Aug 16, 2016
Trench IGBT with tub-shaped floating P-well and hole drains to P-body regions
IXYS CORP12 citations83
US8344480B2Jan 1, 2013
Insulated gate bipolar transistor
IXYS CORP14 citations83
Showing the top 50 of 161 patents by PatentIndex Score.