IXYS Profile

IXYS Patent Grants

Method of joining metal-ceramic substrates to metal bodies

Patent Number 9790130 - October 17, 2017

A method of joining a metal-ceramic substrate having metallization on at least one side to a metal body by using metal alloy is disclosed. The…

IGBT assembly having saturable inductor for soft landing a diode recovery current

Patent Number 9793352 - October 17, 2017

A combination switch includes an Insulated Gate Bipolar Transistor (IGBT), an anti-parallel diode, and a saturable inductor. The diode and…

IGBT with waved floating P-well electron injection

Patent Number 9780168 - October 3, 2017

An IGBT includes a floating P well, and a floating N+ well that extends down into the floating P well. A bottom surface of the floating P well…

Trench IGBT with waved floating P-well electron injection

Patent Number 9780202 - October 3, 2017

A trench IGBT includes a floating P well and a floating N+ well that extends down into the floating P well. A bottom surface of the floating P…

Synchronous sensing of inductor current in a buck converter control circuit

Patent Number 9780648 - October 3, 2017

A sense resistor is placed in series with an output capacitor of a buck converter. The buck converter operates in a discontinuous mode such…

IXYS Patent Applications

BUCK CONVERTER HAVING SELF-DRIVEN BJT SYNCHRONOUS RECTIFIER

Application Number 20150155785 - June 4, 2015

A switching converter has a self-driven bipolar junction transistor (BJT) synchronous rectifier. The BJT rectifier includes a BJT and a…

FORWARD CONVERTER WITH SELF-DRIVEN BJT SYNCHRONOUS RECTIFIER

Application Number 20150138839 - May 21, 2015

An AC-to-DC converter circuit includes DC-to-DC converter that in turn includes a secondary side circuit. The secondary side circuit includes…

POWER DEVICE CASSETTE WITH AUXILIARY EMITTER CONTACT

Application Number 20150102383 - April 16, 2015

A press pack module includes a collector module terminal, an emitter module terminal, a gate module terminal, and an auxiliary module…

SINTERED BACKSIDE SHIM IN A PRESS PACK CASSETTE

Application Number 20150102481 - April 16, 2015

Within a cassette of a press pack module, a conductive shim is bonded to the backside of a device die by a layer of sintered metal. The die,…

HIGH VOLTAGE BREAKOVER DIODE HAVING COMPARABLE FORWARD BREAKOVER AND REVERSE BREAKDOWN VOLTAGES

Application Number 20140332841 - November 13, 2014

In a first embodiment, an ultra-fast breakover diode has a turn on time TON that is less than 0.3 microseconds, where the forward breakover…

IXYS Federal Litigation Filings

North Plate Semiconductor, LLC v. IXYS Corporation

Michigan Eastern District Court - April 17, 2017

Garcia v. Billerbeck et al

California Northern District Court - January 19, 2010

SHIRE V SANDOZ There are opinions or orders for this case

U.S. Court of Appeals, Federal Circuit - February 6, 2009

Baigorria v. U.S. Attorney General et al

Florida Southern District Court - September 12, 2007