Inventor · disambiguated record
Kazuo Nagatani
Also filed as: NAGATANI KAZUO
108 granted patents·10 pending applications·2,027 citations·filing 1981–2017
99Inventor score
Top patents by PatentIndex Score
118 records- 0197US6836517B2Distortion compensating apparatusFUJITSU LTD·Filed 2000·Granted Dec 28, 2004·111 cites·22 claims
- 0295US6909902B1Radio base station equipment and mobile station equipment determining location of mobile station by associating with another radio base station or mobile station in a mobile communication systemFUJITSU LTD·Filed 2000·Granted Jun 21, 2005·124 cites·15 claims
- 0394US6567478B2Radio apparatus having distortion compensating functionFUJITSU LTD·Filed 2001·Granted May 20, 2003·74 cites·21 claims
- 0494US6028894ASIR or SNR measurement apparatusFUJITSU LTD·Filed 1997·Granted Feb 22, 2000·175 cites·4 claims
- 0594US5870668AAmplifier having distortion compensation and base station for radio communication using the sameFUJITSU LTD·Filed 1996·Granted Feb 9, 1999·111 cites·43 claims
- 0693US6552609B2Signal distortion compensating apparatus and methodFUJITSU LTD·Filed 2001·Granted Apr 22, 2003·64 cites·21 claims
- 0792US7551687B2Distortion compensating apparatusFUJITSU LTD·Filed 2005·Granted Jun 23, 2009·21 cites·9 claims
- 0892US6826169B1Code multiplexing transmitting apparatusFUJITSU LTD·Filed 2000·Granted Nov 30, 2004·51 cites·24 claims
- 0990US7106249B2Phase calibration method and apparatusFUJITSU LTD·Filed 2004·Granted Sep 12, 2006·42 cites·23 claims
- 1090US7012969B2Distortion compensating apparatusFUJITSU LTD·Filed 2000·Granted Mar 14, 2006·44 cites·21 claims
- 1189US6097714ACode multiplexing transmitting apparatusFUJITSU LTD·Filed 1997·Granted Aug 1, 2000·93 cites·14 claims
- 1288US6907085B2Activation method of communications apparatus with a non-linear distortion compensation deviceFUJITSU LTD·Filed 2001·Granted Jun 14, 2005·36 cites·15 claims
- 1387US9270231B2Distortion compensation apparatus, wireless transmission apparatus, and distortion compensation methodFUJITSU LTD·Filed 2015·Granted Feb 23, 2016·6 cites·11 claims
- 1487US8532223B2Power amplifying device and power amplifying methodNAGATANI KAZUO·Filed 2010·Granted Sep 10, 2013·12 cites·8 claims
- 1587US7839949B2Peak suppression method, peak suppression apparatus and wireless transmission apparatusFUJITSU LTD·Filed 2006·Granted Nov 23, 2010·15 cites·16 claims
- 1687US6757525B1Distortion compensating apparatusFUJITSU LTD·Filed 2002·Granted Jun 29, 2004·44 cites·14 claims
- 1786US9819370B2Distortion compensation device and distortion compensation methodFUJITSU LTD·Filed 2015·Granted Nov 14, 2017·6 cites·10 claims
- 1885US7020447B2Method and apparatus for compensating for distortion in radio apparatusFUJITSU LTD·Filed 2001·Granted Mar 28, 2006·35 cites·5 claims
- 1985US6980604B2Transmission device and transmission methodFUJITSU LTD·Filed 2001·Granted Dec 27, 2005·47 cites·26 claims
- 2085US6717464B2Distortion compensating apparatusFUJITSU LTD·Filed 2002·Granted Apr 6, 2004·33 cites·26 claims
- 2185US6041034ASpread spectrum communication systemFUJITSU LTD·Filed 1997·Granted Mar 21, 2000·69 cites·19 claims
- 2284US7804914B2Radio transmission apparatus having peak suppression functionFUJITSU LTD·Filed 2008·Granted Sep 28, 2010·11 cites·7 claims
- 2382US7447485B2Device and method for controlling a voltage control signalFUJITSU LTD·Filed 2006·Granted Nov 4, 2008·12 cites·11 claims
- 2482US6864745B2Distortion compensation deviceFUJITSU LTD·Filed 2003·Granted Mar 8, 2005·33 cites·17 claims
- 2581US6657493B2Distortion compensation apparatus and distortion compensation methodFUJITSU LTD·Filed 2002·Granted Dec 2, 2003·27 cites·16 claims
- 2680US8933752B2Power amplifier apparatus, distortion compensation coefficient updating method, and transmission apparatusNAGATANI KAZUO·Filed 2011·Granted Jan 13, 2015·7 cites·12 claims
- 2780US8009756B2Peak suppressing and restoring method, transmitter, receiver, and peak suppressing and restoring systemFUJITSU LTD·Filed 2009·Granted Aug 30, 2011·7 cites·10 claims
- 2880US6009090ACode multiplexing wireless apparatusFUJITSU LTD·Filed 1997·Granted Dec 28, 1999·67 cites·9 claims
- 2979US9768891B2Distortion compensation device and distortion compensation methodFUJITSU LTD·Filed 2016·Granted Sep 19, 2017·3 cites·5 claims
- 3079US8154341B2Power amplifying apparatusISHIKAWA HIROYOSHI·Filed 2008·Granted Apr 10, 2012·10 cites·8 claims
- 3179US7106133B2Distortion compensatorFUJITSU LTD·Filed 2004·Granted Sep 12, 2006·23 cites·16 claims
- 3278US8831135B2Address controller, transmitter, and address control methodFUJITSU LTD·Filed 2013·Granted Sep 9, 2014·4 cites·16 claims
- 3378US8514914B2IQ imbalance correction method in a wireless communication device including a quadrature modulation/demodulation functionYOKOO KAORU·Filed 2011·Granted Aug 20, 2013·6 cites·12 claims
- 3478US8451055B2Distortion compensating apparatus, transmitting apparatus, and distortion compensating methodFUDABA NOBUKAZU·Filed 2011·Granted May 28, 2013·7 cites·9 claims
- 3577US7860185B2Distortion compensating apparatus and power amplifier apparatusFUJITSU LTD·Filed 2008·Granted Dec 28, 2010·9 cites·12 claims
- 3677US6853631B1Code-division multiplex communication transmitting apparatus and receiving apparatus and method thereofFUJITSU LTD·Filed 1999·Granted Feb 8, 2005·53 cites·8 claims
- 3776US7551905B2Distortion compensation apparatusFUJITSU LTD·Filed 2004·Granted Jun 23, 2009·21 cites·10 claims
- 3876US6058138ARadio reception system providing improved transmission qualityFUJITSU LTD·Filed 1997·Granted May 2, 2000·53 cites·10 claims
- 3975US8509349B2Transmitter and distortion compensating methodNAGATANI KAZUO·Filed 2012·Granted Aug 13, 2013·4 cites·6 claims
- 4075US6496474B1Spread encoding device and methodFUJITSU LTD·Filed 1998·Granted Dec 17, 2002·41 cites·14 claims
- 4174US7969205B2Peak power reduction methodFUJITSU LTD·Filed 2009·Granted Jun 28, 2011·5 cites·19 claims
- 4274US7756216B2Signal peak voltage suppression apparatusFUJITSU LTD·Filed 2006·Granted Jul 13, 2010·5 cites·14 claims
- 4371US7991073B2Distortion compensation apparatus and methodFUJITSU LTD·Filed 2009·Granted Aug 2, 2011·4 cites·22 claims
- 4470US8619905B2Predistorter and distortion compensation methodISHIKAWA HIROYOSHI·Filed 2010·Granted Dec 31, 2013·4 cites·13 claims
- 4570US8588711B2Transmission apparatus and distortion compensation methodISHIKAWA HIROYOSHI·Filed 2011·Granted Nov 19, 2013·4 cites·12 claims
- 4670US7388926B2Quadrature modulation systemFUJITSU LTD·Filed 2004·Granted Jun 17, 2008·14 cites·22 claims
- 4770US4905985ACam operated gripper for a printing pressSAKURA SEIKI CO LTD·Filed 1988·Granted Mar 6, 1990·15 cites·8 claims
- 4869US7224720B2Correlator and delay lock loop circuitFUJITSU LTD·Filed 2003·Granted May 29, 2007·9 cites·3 claims
- 4968US9190964B2Distortion compensation device and distortion compensation methodFUJITSU LTD·Filed 2013·Granted Nov 17, 2015·3 cites·17 claims
- 5067US9225295B2Distortion compensation apparatus and distortion compensation methodFUJITSU LTD·Filed 2013·Granted Dec 29, 2015·3 cites·6 claims
Showing the top 50 of 118 patent records by PatentIndex Score.
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