IXYS Profile

IXYS Patent Grants

Packaged fast inverse diode component for PFC applications

Patent Number 10319669 - June 11, 2019

A novel four-terminal packaged semiconductor device is particularly useful in a 400 volt DC output PFC boost converter circuit. Within the…

Packaged overvoltage protection circuit for triggering thyristors

Patent Number 10304970 - May 28, 2019

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…

Heat transfer plate having small cavities for taking up a thermal transfer material

Patent Number 10276472 - April 30, 2019

A power semiconductor device module includes, among other parts, a DMB structure. The DMB structure includes a ceramic sheet, a top metal…

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

Patent Number 10249716 - April 2, 2019

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

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…

IXYS Patent Applications

FAST RECOVERY INVERSE DIODE

Application Number 20190115480 - April 18, 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…

Self-Powered Electronic Fuse With Storage Capacitor That Charges With Minimal Disturbance Of Load Current Through The Fuse

Application Number 20190109454 - April 11, 2019

A two-terminal electronic fuse device involves two switches, four diodes, switch control circuitry, and a storage capacitor, connected in a…

DISCRETE POWER TRANSISTOR PACKAGE HAVING SOLDERLESS DBC TO LEADFRAME ATTACH

Application Number 20190088571 - March 21, 2019

A packaged power transistor device includes a Direct-Bonded Copper (“DBC”) substrate. Contact pads of a first lead are attached with…

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…

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…