IXYS Profile

IXYS Patent Grants

Power transistor with increased avalanche current and energy rating

Patent Number 10217847 - February 26, 2019

A field-effect transistor involves a drain electrode, a drift region, a body region, a source region, a gate insulator layer, and a gate…

Current correction techniques for accurate high current short channel driver

Patent Number 10219339 - February 26, 2019

A current driver integrated circuit (IC) is coupled to control current flow through a diode. In one example, the diode is a Light Emitting…

Fast recovery inverse diode

Patent Number 10193000 - January 29, 2019

An inverse diode die has a high reverse breakdown voltage, a short reverse recovery time Trr, and is rugged in terms of reverse breakdown…

Fast recovery inverse diode

Patent Number 10164124 - December 25, 2018

An inverse diode die has a high reverse breakdown voltage, a short reverse recovery time Trr, and is rugged in terms of reverse breakdown…

Compensation for asymmetries in electrodynamics of BLDC type machines using hall sensors

Patent Number 10153716 - December 11, 2018

A microcontroller controls a BLDC motor with Hall sensors. In a calibration mode, the microcontroller operates the motor at substantially…

IXYS Patent Applications

Charge Carrier Extraction Inverse Diode

Application Number 20190067493 - February 28, 2019

An inverse diode die is “fast” (i.e., has a small peak reverse recovery current) due to the presence of a novel topside P+ type charge…

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,…

IXYS Federal Litigation Filings

GROCE v. IXYS CORPORATION et al

California Northern District Court - November 8, 2017

Horwitz v. IXYS Corporation et al

California Northern District Court - November 7, 2017

Franchi v. IXYS Corporation et al

Delaware District Court - November 6, 2017

Sanchez v. IXYS Corporation et al

California Northern District Court - November 3, 2017

Sanchez v. IXYS Corporation et al

California Northern District Court - November 3, 2017

IXYS Federal District Court Decisions

Sanchez v. IXYS Corporation et al

California Northern District Court - October 2, 2018

Order by Judge William H. Orrick granting 48 Motion to Dismiss. Sanchez may have leave to amend within 20 days of the date of this Order. …

Sanchez v. IXYS Corporation et al

California Northern District Court - February 26, 2018

ORDER APPOINTING LEAD COUNSEL by Judge William H. Orrick re (4) Motion to Appoint Lead Plaintiff and Lead Counsel in case…