Inventor · disambiguated record
Lawrence F. Cygan
Also filed as: CYGAN LAWRENCE · CYGAN LAWRENCE F
21 granted patents·1,906 citations·filing 1983–2008
97Inventor score
Top patents by PatentIndex Score
21 records- 0199US5880633AHigh efficiency power amplifierMOTOROLA INC·Filed 1997·Granted Mar 9, 1999·290 cites·18 claims
- 0299US5564086AMethod and apparatus for enhancing an operating characteristic of a radio transmitterMOTOROLA INC·Filed 1993·Granted Oct 8, 1996·383 cites·15 claims
- 0399US5423082AMethod for a transmitter to compensate for varying loading without an isolatorMOTOROLA INC·Filed 1993·Granted Jun 6, 1995·148 cites·8 claims
- 0497US6262629B1High efficiency power amplifier having reduced output matching networks for use in portable devicesMOTOROLA INC·Filed 1999·Granted Jul 17, 2001·179 cites·9 claims
- 0596US5015972ABroadband RF transformerMOTOROLA INC·Filed 1989·Granted May 14, 1991·112 cites·4 claims
- 0695US6624712B1Method and apparatus for power modulating to prevent instances of clippingMOTOROLA INC·Filed 2002·Granted Sep 23, 2003·91 cites·19 claims
- 0792US5675287ADigital DC correction circuit for a linear transmitterMOTOROLA INC·Filed 1996·Granted Oct 7, 1997·94 cites·8 claims
- 0890US6374092B1Efficient multimode power amplifierMOTOROLA INC·Filed 1999·Granted Apr 16, 2002·110 cites·8 claims
- 0990US6085074AApparatus and method for amplifying an amplitude-varying signalMOTOROLA INC·Filed 1997·Granted Jul 4, 2000·118 cites·26 claims
- 1087US5574992AMethod and apparatus for reducing off-channel interference produced by a linear transmitterMOTOROLA INC·Filed 1994·Granted Nov 12, 1996·92 cites·8 claims
- 1186US7071775B2Method and apparatus for an enhanced efficiency power amplifierMOTOROLA INC·Filed 2004·Granted Jul 4, 2006·34 cites·18 claims
- 1286US5564087AMethod and apparatus for a linear transmitterMOTOROLA INC·Filed 1994·Granted Oct 8, 1996·47 cites·26 claims
- 1384US5675286AMethod and apparatus for an improved linear transmitterMOTOROLA INC·Filed 1996·Granted Oct 7, 1997·53 cites·12 claims
- 1483US6556099B2Multilayered tapered transmission line, device and method for making the sameMOTOROLA INC·Filed 2001·Granted Apr 29, 2003·24 cites·17 claims
- 1581US5426395AMethod and apparatus for protecting power amplifiers from excessive operating power levelsMOTOROLA INC·Filed 1993·Granted Jun 20, 1995·31 cites·24 claims
- 1677US5542096AMethod for a transmitter to compensate for varying loading without an isolatorMOTOROLA INC·Filed 1995·Granted Jul 30, 1996·33 cites·8 claims
- 1773US4504886AGrounding and positioning clip for a power transistorMOTOROLA INC·Filed 1983·Granted Mar 12, 1985·27 cites·5 claims
- 1871US6822523B2Power modulator and method of operating a power modulatorMOTOROLA INC·Filed 2002·Granted Nov 23, 2004·14 cites·10 claims
- 1967US6624711B1Method and apparatus for power modulating to prevent instances of clippingMOTOROLA INC·Filed 2002·Granted Sep 23, 2003·14 cites·12 claims
- 2065US7825724B2Method and apparatus for direct digital to radio frequency conversionMOTOROLA MOBILITY INC·Filed 2007·Granted Nov 2, 2010·5 cites·20 claims
- 2164US8149027B2Circuit with a voltage dependent resistor for controlling an on/off state of a transistorCYGAN LAWRENCE F·Filed 2008·Granted Apr 3, 2012·7 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →