| RE48112 | Notch filter for ripple reduction | Jul 24, 18 | Jul 21, 20 | Linear Technology LLC |
| 9997999 | Capacitive DC power transformer | Jun 25, 14 | Jun 12, 18 | Dialog Semiconductor GmbH |
| 9991782 | Control of conversion ratios of a power source block and bidirectional active filter | Jun 18, 17 | Jun 05, 18 | R2 Semiconductor, Inc. |
| 9991781 | Power supply and driving method of the same | Apr 19, 16 | Jun 05, 18 | Samsung Display Co., Ltd. |
| 9985541 | Feed forward controlling circuit and method for voltage ripple restraint | Aug 15, 16 | May 29, 18 | ACBEL POLYTECH INC. |
| 9971315 | Electronic circuit with a current ripple filter | Apr 10, 12 | May 15, 18 | Telefonaktiebolaget LM Ericsson ( publ) |
| 9966833 | Switching regulator capable of reducing current ripple and control circuit thereof | Apr 17, 17 | May 08, 18 | Richtek Technology Corporation, R.O.C. |
| 9966832 | Predictive ripple-cancelling signal into error amplifier of switch mode power supply | May 09, 17 | May 08, 18 | Linear Technology Corporation |
| 9960712 | Converter topologies and control | Mar 24, 16 | May 01, 18 | SunPower Corporation |
| 9954428 | Determination of phase offsets in a supply system having multiple switching converters | Jan 30, 14 | Apr 24, 18 | Telefonaktiebolaget LM Ericsson (publ) |
| 9954462 | Converter topologies and control | Jun 30, 16 | Apr 24, 18 | SunPower Corporation |
| 9954460 | Voltage control device with gate capacitor charging and discharging | Oct 07, 16 | Apr 24, 18 | Macroblock Inc. |
| 9948172 | Power converter for eliminating ripples | Apr 08, 15 | Apr 17, 18 | Soongsil University Research Consortium Techno-PARK |
| 9937807 | Battery charger, electrical system and motor vehicle | Apr 15, 16 | Apr 10, 18 | VALEO SYSTEMES DE CONTROLE MOTEUR |
| 9917524 | Energy channelling single stage power converter | Sep 03, 15 | Mar 13, 18 | QUEEN'S UNIVERSITY AT KINGSTON |
| 9906156 | Direct-power-converter control device | Oct 07, 15 | Feb 27, 18 | DAIKIN INDUSTRIES, LTD. |
| 9906119 | Method of ripple-compensation control and electrical energy conversion device using the same | Dec 16, 15 | Feb 27, 18 | INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| 9893522 | Paralleling of active filters with independent controls | Jul 24, 15 | Feb 13, 18 | TCI, LLC |
| 9893604 | Circuit with low DC bias storage capacitors for high density power conversion | Jul 21, 16 | Feb 13, 18 | Not available |
| 9887616 | Electric power conversion apparatus with active filter | Jul 01, 15 | Feb 06, 18 | HELLA CORPORATE CENTER USA, INC. |