Patents

High Efficiency Flyback Converter

  • Patent 7,764,518
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 10/509983
  • Entity DET International Holding Limited Grand Cayman (KY)
  • Filling Date 11 Apr 2003
  • Date of Patent 27 Jul 2010

DC-DC Switching Converter Device

  • Patent 7,719,137
  • Status Granted
  • Inventor Jitaru, Ionel Dan / et al.
  • Application 10/548393
  • Entity DET International Holding Limited Grand Cayman (KY)
  • Filling Date 10 Mar 2010
  • Date of Patent 18 May 2010

Method and Apparatus for Controlling Synchronous Rectifier

  • Patent 7,558,082
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 10/509983
  • Entity DET International Holding Limited Grand Cayman (KY)
  • Filling Date 08 Mar 2003
  • Date of Patent 08 Jul 2009

Soft Switching High Efficiency Flyback Converter

  • Patent 7,450,402
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 10/511117
  • Entity DET International Holding Limited Grand Cayman (KY)
  • Filling Date 11 Apr 2003
  • Date of Patent 11 Nov 2008

Active Snubber

  • Patent 7,408,793
  • Status Granted
  • Inventor Jitaru, Ionel Dan / Casaru, George
  • Application 10/545567
  • Entity DET International Holding Limited Grand Cayman (KY)
  • Filling Date 11 Feb 2003
  • Date of Patent 05 Aug 2008

Low Profile Magnetic Element

  • Patent 7,295,094
  • Status Granted
  • Inventor Jitaru, Ionel Dan / Davila, Marco A.
  • Application 10/512128
  • Entity DET International Holding Limited Grand Cayman (KY)
  • Filling Date 11 Apr 2003
  • Date of Patent 13 Nov 2007

Forward Converter with Controlled Reset

  • Patent 7,012,820
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 10/499850
  • Entity DET International Holding Limited Grand Cayman (CY)
  • Filling Date 20 Dec 2002
  • Date of Patent 14 Mar 2006

Soft Switching Converter Using Current Shaping

  • Patent 7,009,850
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 10/511114
  • Entity DET International Holding Limited Grand Cayman (CY)
  • Filling Date 22 Apr 2005
  • Date of Patent 07 Mar 2006

Low Noise Full Integrated Multilayers Magnetic For Power Converters

  • Patent 6,980,074
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 434985
  • Entity Delta Energy Systems (Switzerland) AG (CH)
  • Filling Date 05 Nov 1999
  • Date of Patent 27 Dec 2005

Planar Inductive Element

  • Patent 6,967,553
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 381161
  • Entity Delta Energy Systems (Switzerland) AG (CH)
  • Filling Date 20 Sep 2001
  • Date of Patent 22 Nov 2005

Soft Transition Converter

  • Patent 6,862,195
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 260478
  • Entity Delta Energy Systems (Switzerland) AG (CH)
  • Filling Date 01 Mar 1999
  • Date of Patent 01 Mar 2005

Modularized Power Supply

  • Patent 6,731,523
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 737500
  • Entity Ascom Energy Systems, AG (Berne, CH)
  • Filling Date 13 Dec 2000
  • Date of Patent 04 May 2004

Method And Apparatus For Forming A Magnetic Component On A Printed Circuit Board

  • Patent 6,489,876
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 668620
  • Entity Ascom Energy Systems, AG (Berne, CH)
  • Filling Date 22 Sep 2000
  • Date of Patent 03 Dec 2002

Flux Equalized Transformer Circuit

  • Patent 6,469,486
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 542068
  • Entity Ascom Energy Systems, AG (Berne, CH)
  • Filling Date 03 Apr 2000
  • Date of Patent 22 Oct 2002

Component Transformer

  • Patent 6,466,454
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 313939
  • Entity Ascom Energy Systems, AG (Berne, CH)
  • Filling Date 18 May 1999
  • Date of Patent 15 Oct 2002

Method And Apparatus For Transmitting A Signal Through A Power Magnetic Structure

  • Patent 6,414,578
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 740314
  • Entity Ascom Energy Systems, AG (Berne, CH)
  • Filling Date 18 Dec 2000
  • Date of Patent 02 Jul 2002

Transformer Providing Low Output Voltage

  • Patent 6,400,249
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 740315
  • Entity Ascom Energy Systems, AG (Berne, CH)
  • Filling Date 18 Dec 2000
  • Date of Patent 04 Jun 2002

Current Sensor

  • Patent 6,380,727
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 113794
  • Entity Ascom Energy Systems, AG (Berne, CH)
  • Filling Date 03 Jul 1998
  • Date of Patent 30 Apr 2002

High Power Planar Transformer

  • Patent 6,211,767
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 316924
  • Entity Rompower ( Tucson , AZ )
  • Filling Date 21 May 1999
  • Date of Patent 03 Apr 2001

Flux Equalized Transformer Circuit

  • Patent 6,046,918
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 310626
  • Entity Rompower ( Tucson , AZ )
  • Filling Date 12 May 1999
  • Date of Patent 04 Apr 2000

Low Noise Full Integrated Multilayers Magnetic For Power Converters

  • Patent 5,990,776
  • Status Pending
  • Inventor Jitaru, Ionel Dan
  • Application 351943
  • Entity Tucson , AZ
  • Filling Date 08 Dec 1994
  • Date of Patent 23 Nov 1999

Packaging Power Converters

  • Patent 5,973,923
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 086365
  • Entity Tucson , AZ
  • Filling Date 28 May 1998
  • Date of Patent 26 Oct 1999

Fixed Frequency Converter Switching At Zero Voltage

  • Patent 5,434,768
  • Status Granted
  • Inventor Jitaru, Ionel Dan / Beldianu, Vasile
  • Application 016885
  • Entity Rompower ( Tucson , AZ )
  • Filling Date 12 Feb 1993
  • Date of Patent 18 Jul 1995

Square Wave Converter Having An Improved Zero Voltage Switching Operation

  • Patent 5,231,931
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 868924
  • Entity ITT Corp. ( Secaucus , NJ )
  • Filling Date 15 Apr 1992
  • Date of Patent 27 Jul 1993

Fixed Frequency Single Ended Forward Converter Switching At Zero Voltage

  • Patent 5,126,931
  • Status Granted
  • Inventor Jitaru, Ionel Dan
  • Application 579470
  • Entity ITT Corp. (New York, NY)
  • Filling Date 07 Sep 1990
  • Date of Patent 30 Jun 1992

Pending Pantents

Enhanced Thermal Coupling For Electronic Boards

  • Status Pending
  • Inventor Jitaru, Ionel Dan
  • Application 09/310627
  • Filling Date 19 May 1999
  • Date of Patent 09 May 2002

Portable Power Supply Apparatus Capable Of receiving AC or DC Input Power

  • Status Pending
  • Inventor Jitaru, Ionel Dan / et al.
  • Application 11/677785
  • Entity DET International Holding Limited
  • Filling Date 22 Feb 2007
  • Date of Patent 12 Jun 2008

Portable Power Supply Apparatus Capable Of receiving AC or DC Input Power

  • Status Pending
  • Inventor Jitaru, Ionel Dan / et al.
  • Application 11/970872
  • Entity DET International Holding Limited
  • Filling Date 08 Jan 2008
  • Date of Patent 08 Jan 2008