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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US415035214 Abr 197717 Abr 1979Ing. C. Olivetti & C., S.p.A.Precision transducer for position measurements
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US47500776 Ene 19867 Jun 1988Mitsubishi Denki Kabushiki KaishaCoil device
US47699005 Ago 198713 Sep 1988Murata Manufacturing Co., Ltd.Method of making a chip coil
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US487375727 Jun 198817 Oct 1989The Foxboro CompanyMethod of making a multilayer electrical coil
US493772917 May 198926 Jun 1990Bull S.A.Chopper power supply including a printed circuit transformer
US495963128 Sep 198825 Sep 1990Kabushiki Kaisha ToshibaPlanar inductor
US507250828 Feb 199117 Dic 1991Murata Mfg. Co., Ltd.Method of making an inductive-resistive circuit element
US512671420 Dic 199030 Jun 1992The United States of America as represented by the Secretary of the NavyIntegrated circuit transformer
US513265017 Abr 199021 Jul 1992LC noise filter
US514276713 Nov 19901 Sep 1992BF Goodrich CompanyMethod of manufacturing a planar coil construction
US516696511 Abr 199124 Nov 1992Varian Associates, Inc.High voltage DC source including magnetic flux pole and multiple stacked AC to DC converter stages with planar coils
US51841034 Feb 19912 Feb 1993Bull, S.A.High coupling transformer adapted to a chopping supply circuit
US527639616 Mar 19924 Ene 1994Landis & Gyr Betriebs AGPlanar magnetic harmonic sensor for detecting small quantities of magnetic substances
US527850016 Mar 199211 Ene 1994Landis & Gyr Betriebs AGPlanar, core saturation principle, low flux magnetic field sensor
US53009119 Oct 19925 Abr 1994International Business Machines CorporationMonolithic magnetic device with printed circuit interconnections
US535300130 Oct 19924 Oct 1994Burr-Brown CorporationHybrid integrated circuit planar transformer
US553266711 Oct 19952 Jul 1996Hughes Aircraft CompanyLow-temperature-cofired-ceramic (LTCC) tape structures including cofired ferromagnetic elements, drop-in components and multi-layer transformer
US55789815 May 199326 Nov 1996Murata Manufacturing Co., Ltd.Laminated inductor
US558347425 May 199410 Dic 1996Kabushiki Kaisha ToshibaPlanar magnetic element
US559813521 Sep 199228 Ene 1997Murata Manufacturing Co., Ltd.Transformer
US559832728 Ene 199428 Ene 1997Burr-Brown CorporationPlanar transformer assembly including non-overlapping primary and secondary windings surrounding a common magnetic flux path area
US57838793 Jun 199721 Jul 1998Eastman Kodak CompanyMicromotor in a ceramic substrate
US584935518 Sep 199615 Dic 1998AlliedSignal Inc.Electroless copper plating
US587766612 Mar 19972 Mar 1999Lucent Technologies Inc.Stackable, passively-tunable, cost-reduced inductor
US594590222 Sep 199731 Ago 1999Zefv LipkesCore and coil structure and method of making the same
US597060424 Jun 199726 Oct 1999Dale Electronics, Inc.Method of making monolithic thick film inductor
US597392328 May 199826 Oct 1999Packaging power converters
US598653318 Jun 199616 Nov 1999Dale Electronics, Inc.Monolithic thick film inductor
US60549146 Jul 199825 Abr 2000Midcom, Inc.Multi-layer transformer having electrical connection in a magnetic core
US614757321 Nov 199714 Nov 2000TDK CorporationMultilayer electronic part with planar terminal electrodes
US616980116 Mar 19982 Ene 2001Midcom, Inc.Digital isolation apparatus and method
US617529311 May 199316 Ene 2001Kabushiki Kaisha ToshibaPlanar inductor
US61983741 Abr 19996 Mar 2001Midcom, Inc.Multi-layer transformer apparatus and method
US626264930 Sep 199717 Jul 2001Tyco Electronics Logistics AGPower magnetic device employing a leadless connection to a printed circuit board and method of manufacture thereof
US628527312 Mar 19974 Sep 2001Murata Manufacturing Co., Ltd.Laminated balun transformer
US629300125 Feb 199925 Sep 2001Matsushita Electric Industrial Co., Ltd.Method for producing an inductor
US63885519 Jul 200114 May 2002Murata Manufacturing Co., Ltd.Method of making a laminated balun transform
US646612221 Nov 200015 Oct 2002Kabushiki Kaisha ToshibaPlanar inductor
US656805424 Feb 200027 May 2003TKD CorporationMethod of producing a multilayer electronic part
US658702531 Ene 20011 Jul 2003Vishay Dale Electronics, Inc.Side-by-side coil inductor
US663154517 Nov 200014 Oct 2003Matsushita Electric Industrial Co., Ltd.Method for producing a lamination ceramic chi
US668681222 May 20023 Feb 2004Honeywell International Inc.Miniature directional coupler
US67474508 May 20028 Jun 2004Samsung-Electro-Mechanics Co., Ltd.Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same
US67536827 May 200222 Jun 2004Samsung Electro-Mechanics Co., Ltd.Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same
US67598458 May 20026 Jul 2004Samsung Electro-Mechanics Co., Ltd.Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same
US690935031 Ene 200321 Jun 2005Matsushita Electric Industrial Co., Ltd.Inductor and method for producing the same
US691188715 Mar 200028 Jun 2005Matsushita Electric Industrial Co., Ltd.Inductor and method for producing the same
US691188815 Ene 200128 Jun 2005Matsushita Electric Industrial Co., Ltd.Inductor and method for producing the same
US691451016 Jun 20045 Jul 2005Matsushita Electric Industrial Co., Ltd.Inductor and method for producing the same
US69145136 Nov 20025 Jul 2005Electro-Science Laboratories, Inc.Materials system for low cost, non wire-wound, miniature, multilayer magnetic circuit components
US707899914 Abr 200518 Jul 2006Matsushita Electric Industrial Co., Ltd.Inductor and method for producing the same
US710766615 Feb 200219 Sep 2006BH ElectronicsMethod of manufacturing an ultra-miniature magnetic device
US718388821 Oct 200427 Feb 2007Matsushita Electric Industrial Co., Ltd.High-frequency circuit