Inventor · disambiguated record
Kazimierz Siwiak
Also filed as: SIWIAK KAZIMIERZ
41 granted patents·5 pending applications·3,249 citations·filing 1976–2013
99Inventor score
Top patents by PatentIndex Score
46 records- 0199US7190729B2Ultra-wideband high data-rate communicationsALEREON INC·Filed 2003·Granted Mar 13, 2007·137 cites·4 claims
- 0298US7206334B2Ultra-wideband high data-rate communication apparatus and associated methodsALEREON INC·Filed 2003·Granted Apr 17, 2007·132 cites·12 claims
- 0397US4882579ACode division multiplexed acknowledge back paging systemMOTOROLA INC·Filed 1988·Granted Nov 21, 1989·209 cites·21 claims
- 0497US4504834ACoaxial dipole antenna with extended effective apertureMOTOROLA INC·Filed 1982·Granted Mar 12, 1985·153 cites·14 claims
- 0597US4313119ADual mode transceiver antennaMOTOROLA INC·Filed 1980·Granted Jan 26, 1982·136 cites·6 claims
- 0696US7339883B2Ultra-wideband communication protocolPULSE LINK INC·Filed 2003·Granted Mar 4, 2008·74 cites·13 claims
- 0796US5276912ARadio frequency power amplifier having variable output powerMOTOROLA INC·Filed 1993·Granted Jan 4, 1994·223 cites·3 claims
- 0896US4823123AKnowledge back pager with frequency control apparatusMOTOROLA INC·Filed 1988·Granted Apr 18, 1989·172 cites·7 claims
- 0995US8081699B2Wireless communication system and method with elliptically polarized radio frequency signalsSIWIAK KAZIMIERZ·Filed 2007·Granted Dec 20, 2011·62 cites·43 claims
- 1095US7307595B2Near field location system and methodQ TRACK CORP·Filed 2005·Granted Dec 11, 2007·55 cites·18 claims
- 1194US4442438AHelical antenna structure capable of resonating at two different frequenciesMOTOROLA INC·Filed 1982·Granted Apr 10, 1984·81 cites·8 claims
- 1292US4875038AFrequency division multiplexed acknowledge back paging systemMOTOROLA INC·Filed 1988·Granted Oct 17, 1989·239 cites·21 claims
- 1391US4725395AAntenna and method of manufacturing an antennaMOTOROLA INC·Filed 1985·Granted Feb 16, 1988·67 cites·3 claims
- 1490US4891637AAcknowledge back pager with apparatus for controlling transmit frequencyMOTOROLA INC·Filed 1988·Granted Jan 2, 1990·118 cites·7 claims
- 1589US4578628APortable battery powered electrical apparatus with improved battery pack protected against inadvertent short circuit of the battery terminalsMOTOROLA INC·Filed 1985·Granted Mar 25, 1986·109 cites·6 claims
- 1688US7787513B2Transmitting and receiving spread spectrum signals using continuous waveformsALEREON INC·Filed 2003·Granted Aug 31, 2010·56 cites·22 claims
- 1787US5420596AQuarter-wave gap-coupled tunable strip antennaMOTOROLA INC·Filed 1993·Granted May 30, 1995·83 cites·17 claims
- 1885US5325403AMethod and apparatus for dual-channel diversity reception of a radio signalMOTOROLA INC·Filed 1992·Granted Jun 28, 1994·82 cites·20 claims
- 1985US4847626AMicrostrip balun-antennaMOTOROLA INC·Filed 1987·Granted Jul 11, 1989·74 cites·3 claims
- 2084US5920840ACommunication system and method using a speaker dependent time-scaling techniqueMOTOROLA INC·Filed 1995·Granted Jul 6, 1999·120 cites·48 claims
- 2183US5410749ARadio communication device having a microstrip antenna with integral receiver systemsMOTOROLA INC·Filed 1992·Granted Apr 25, 1995·76 cites·21 claims
- 2283US5113196ALoop antenna with transmission line feedMOTOROLA INC·Filed 1989·Granted May 12, 1992·50 cites·4 claims
- 2383US4737797AMicrostrip balun-antenna apparatusMOTOROLA INC·Filed 1986·Granted Apr 12, 1988·70 cites·3 claims
- 2482US8922440B2Space efficient magnetic antenna methodSCHANTZ HANS GREGORY·Filed 2010·Granted Dec 30, 2014·8 cites·18 claims
- 2581US4825193AAcknowledge back pager with adaptive variable transmitter output powerMOTOROLA INC·Filed 1988·Granted Apr 25, 1989·129 cites·15 claims
- 2680US8553804B2Wireless communication system and method with elliptically polarized radio frequency signalsSIWIAK KAZIMIERZ·Filed 2011·Granted Oct 8, 2013·5 cites·17 claims
- 2779US5640166AMethod for compensating for doppler frequency shifts for satellite communication systemsMOTOROLA INC·Filed 1996·Granted Jun 17, 1997·61 cites·13 claims
- 2878US5446922AMethod and apparatus for switched diversity reception of a radio signalMOTOROLA INC·Filed 1992·Granted Aug 29, 1995·61 cites·8 claims
- 2978US5109544APaging receiver with automatic frequency controlMOTOROLA INC·Filed 1990·Granted Apr 28, 1992·50 cites·17 claims
- 3077US7394846B2Ultra-wideband high data-rate communication apparatus and methodsALEREON INC·Filed 2007·Granted Jul 1, 2008·5 cites·10 claims
- 3174US5537398AApparatus for multi-rate simulcast communicationsMOTOROLA INC·Filed 1995·Granted Jul 16, 1996·82 cites·23 claims
- 3273US5239306ADual mode receiver having battery saving capabilityMOTOROLA INC·Filed 1992·Granted Aug 24, 1993·87 cites·35 claims
- 3372US4516127AThree element low profile antennaMOTOROLA INC·Filed 1983·Granted May 7, 1985·25 cites·6 claims
- 3471US5432521ASatellite receiver system having doppler frequency shift trackingMOTOROLA INC·Filed 1994·Granted Jul 11, 1995·46 cites·16 claims
- 3570US5689440AVoice compression method and apparatus in a communication systemMOTOROLA INC·Filed 1996·Granted Nov 18, 1997·61 cites·20 claims
- 3661US9544028B2Doppler frequency shift compensation for wireless communicationEMPIRE TECHNOLOGY DEV LLC·Filed 2013·Granted Jan 10, 2017·1 cites·28 claims
- 3752US2008212651A1Communication protocolSANTHOFF JOHN·Filed 2008·Application pending·0 cites
- 3845US5448253AAntenna with integral transmission line sectionMOTOROLA INC·Filed 1993·Granted Sep 5, 1995·17 cites·14 claims
- 3945US2005152264A1Ultra-wideband data communication system with diversity transmit and receive featureFiled 2004·Application pending·0 cites
- 4044US2007036353A1Authentication and encryption methods using shared secret randomness in a joint channelINTERDIGITAL TECH CORP·Filed 2006·Application pending·0 cites
- 4144US2005238113A1Hybrid communication method and apparatusSANTHOFF JOHN·Filed 2004·Application pending·0 cites
- 4242US2004017840A1High data-rate communication apparatus and associated methodsFiled 2002·Application pending·0 cites
- 4339US5668923AVoice messaging system and method making efficient use of orthogonal modulation componentsMOTOROLA INC·Filed 1995·Granted Sep 16, 1997·11 cites·19 claims
- 4438US5537683ARadio paging system with antenna pattern exhibiting high diversity gainMOTOROLA INC·Filed 1995·Granted Jul 16, 1996·11 cites·14 claims
- 4538US4086591ASmall aperture antennaRAYTHEON CO·Filed 1976·Granted Apr 25, 1978·7 cites·6 claims
- 4634US4574290AHigh gain vertically polarized antenna structureMOTOROLA INC·Filed 1984·Granted Mar 4, 1986·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →