Assignee
SIPEX CORP
US·23 granted patents·1 pending application·619 citations·filing 1992–2006
Top patents by PatentIndex Score
24 records- 0191US5306954ACharge pump with symmetrical +V and -V outputsSIPEX CORP·Filed 1992·Granted Apr 26, 1994·123 cites·25 claims
- 0284US5638072AMultiple channel analog to digital converterSIPEX CORP·Filed 1994·Granted Jun 10, 1997·54 cites·32 claims
- 0383US6172555B1Bandgap voltage reference circuitSIPEX CORP·Filed 1997·Granted Jan 9, 2001·46 cites·5 claims
- 0483US5831562ADifferential sample and hold circuit with common mode sampling for an analog-to-digital converterSIPEX CORP·Filed 1996·Granted Nov 3, 1998·60 cites·8 claims
- 0581US5760637AProgrammable charge pumpSIPEX CORP·Filed 1995·Granted Jun 2, 1998·71 cites·27 claims
- 0675US5594386APulse width modulated amplifierSIPEX CORP·Filed 1995·Granted Jan 14, 1997·37 cites·9 claims
- 0773US6577110B2DC-to-DC converter with constant ripple current regulation for continuous and discontinuous conduction mode operationSIPEX CORP·Filed 2001·Granted Jun 10, 2003·30 cites·13 claims
- 0872US6504349B2Pulse width modulated voltage regulation circuit and related methodsSIPEX CORP·Filed 2001·Granted Jan 7, 2003·28 cites·34 claims
- 0969US6922041B2Apparatus for and method of adjusting a switching regulator output for a circuit having a pre-charge voltageSIPEX CORP·Filed 2003·Granted Jul 26, 2005·22 cites·28 claims
- 1067US7382191B2Multiplier-transimpedance amplifier combination with input common mode feedbackSIPEX CORP·Filed 2006·Granted Jun 3, 2008·7 cites·20 claims
- 1167US6566905B2Method and apparatus for a multi-state single program pinSIPEX CORP·Filed 2001·Granted May 20, 2003·13 cites·30 claims
- 1264US6512353B2Synchronized, ripple independent window comparator for switch-mode power convertersSIPEX CORP·Filed 2001·Granted Jan 28, 2003·19 cites·37 claims
- 1358US5397928AVoltage tripler using a charge pump having a single multiplexed charge transfer capacitorSIPEX CORP·Filed 1994·Granted Mar 14, 1995·23 cites·19 claims
- 1455US6570748B2Method and apparatus for indicating an over-current conditionSIPEX CORP·Filed 2001·Granted May 27, 2003·6 cites·23 claims
- 1554US6611166B2Charge pump load determination circuitSIPEX CORP·Filed 2001·Granted Aug 26, 2003·10 cites·9 claims
- 1653US6147517AVoltage comparator circuitSIPEX CORP·Filed 1998·Granted Nov 14, 2000·13 cites·12 claims
- 1753US5789943AV.35 network terminatorSIPEX CORP·Filed 1996·Granted Aug 4, 1998·13 cites·32 claims
- 1847US6486645B1Voltage regulation circuit and related methods having a dynamically determined minimum discharge timeSIPEX CORP·Filed 2001·Granted Nov 26, 2002·16 cites·23 claims
- 1938US6376934B1Voltage waveform generatorSIPEX CORP·Filed 1999·Granted Apr 23, 2002·11 cites·4 claims
- 2036US6378026B1Connection detection circuit and methodSIPEX CORP·Filed 1999·Granted Apr 23, 2002·11 cites·14 claims
- 2134US5973486ADifferential power sensor circuitSIPEX CORP·Filed 1997·Granted Oct 26, 1999·4 cites·12 claims
- 2232US2005135023A1Programmable digital power controllerSIPEX CORP·Filed 2003·Application pending·0 cites
- 2328US5831893AMemory cellSIPEX CORP·Filed 1997·Granted Nov 3, 1998·0 cites·9 claims
- 2421US6593796B1Method and apparatus for powering multiple AC loads using overlapping H-bridge circuitsSIPEX CORP·Filed 2000·Granted Jul 15, 2003·2 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →