Inventor · disambiguated record
Seiichi Izumi
Also filed as: IZUMI SEIICHI
41 granted patents·2 pending applications·1,045 citations·filing 1995–2017
98Inventor score
Top patents by PatentIndex Score
43 records- 0196US6631168B2Generating matrices to be used for the random orthogonal transformation of blocks of data in a transmission chainSONY INT EUROPE GMBH·Filed 2002·Granted Oct 7, 2003·132 cites·2 claims
- 0295US6545997B1Transmission method and transmission apparatus for transmitting signals on the basis of a OFDM/TDMA-system with pilot symbolsSONY INT EUROPE GMBH·Filed 1999·Granted Apr 8, 2003·354 cites·15 claims
- 0394US8077696B2Wireless communication apparatus and wireless communication methodIZUMI SEIICHI·Filed 2007·Granted Dec 13, 2011·40 cites·16 claims
- 0490US7633848B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY DEUTSCHLAND GMBH·Filed 2005·Granted Dec 15, 2009·13 cites·5 claims
- 0586US6567374B1Data and pilot mapping in an OFDM systemSONY INT EUROPE GMBH·Filed 1999·Granted May 20, 2003·156 cites·22 claims
- 0684US9596059B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY DEUTSCHLAND GMBH·Filed 2013·Granted Mar 14, 2017·3 cites·9 claims
- 0784US7961588B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY DEUTSCHLAND GMBH·Filed 2009·Granted Jun 14, 2011·6 cites·9 claims
- 0883US7414959B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY DEUTSCHLAND GMBH·Filed 2006·Granted Aug 19, 2008·6 cites·6 claims
- 0982US8320851B2Wireless communication device, wireless communication method, and computer programTAKANO HIROAKI·Filed 2009·Granted Nov 27, 2012·9 cites·9 claims
- 1080US8457250B2OFDM pre-equalizingBOHNKE RALF·Filed 2008·Granted Jun 4, 2013·7 cites·23 claims
- 1180US7085223B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY INT EUROPE GMBH·Filed 2001·Granted Aug 1, 2006·17 cites·11 claims
- 1279US6549581B1Transmitter and method to cancel interference in OFDM communicationSONY INT EUROPE GMBH·Filed 1999·Granted Apr 15, 2003·91 cites·22 claims
- 1378USRE40715EMethod and means for allocating time slots in a TDD systemSONY DEUTSCHLAND GMBH·Filed 2005·Granted May 26, 2009·6 cites·35 claims
- 1477US9954710B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY DEUTSCHLAND GMBH·Filed 2017·Granted Apr 24, 2018·1 cites·13 claims
- 1577US7835696B2Adaptive subcarrier loadingSONY DEUTSCHLAND GMBH·Filed 2007·Granted Nov 16, 2010·6 cites·12 claims
- 1675US7684756B2Adaptive subcarrier loadingSONY DEUTSCHLAND GMBH·Filed 2001·Granted Mar 23, 2010·18 cites·11 claims
- 1774US7746948B2Wireless communication apparatus and wireless communication methodSONY CORP·Filed 2005·Granted Jun 29, 2010·6 cites·16 claims
- 1874US6577641B1Method and means for allocating time slots in a TDD systemSONY INT EUROPE GMBH·Filed 1999·Granted Jun 10, 2003·42 cites·14 claims
- 1973US9455806B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY DEUTSCHLAND GMBH·Filed 2013·Granted Sep 27, 2016·1 cites·9 claims
- 2072US6674732B1Transmitting method, receiving method, transmitter, and receiverSONY CORP·Filed 1998·Granted Jan 6, 2004·36 cites·8 claims
- 2171US7388928B2OFDM pre-equalizingSONY DEUTSCHLAND GMBH·Filed 2001·Granted Jun 17, 2008·9 cites·9 claims
- 2270US8743675B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemIZUMI SEIICHI·Filed 2011·Granted Jun 3, 2014·1 cites·9 claims
- 2368US7414962B2OFDM diversity transmissionSONY DEUTSCHLAND GMBH·Filed 2001·Granted Aug 19, 2008·10 cites·27 claims
- 2467US7957258B2Communication device for receiving and transmitting OFDM signals in a wireless communication systemSONY DEUTSCHLAND GMBH·Filed 2009·Granted Jun 7, 2011·1 cites·9 claims
- 2563US8045948B2Receiving apparatus, program and receiving methodSONY CORP·Filed 2008·Granted Oct 25, 2011·2 cites·10 claims
- 2661US9450792B2OFDM pre-equalizingSONY DEUTSCHLAND GMBH·Filed 2014·Granted Sep 20, 2016·0 cites·18 claims
- 2760US9967118B2OFDM pre-equalizingSONY DEUTSCHLAND GMBH·Filed 2016·Granted May 8, 2018·0 cites·14 claims
- 2859US8817578B2Sonic wave output device, voice communication device, sonic wave output method and programIZUMI SEIICHI·Filed 2009·Granted Aug 26, 2014·4 cites·11 claims
- 2959US8456362B2Receiving apparatus, radio communication system, position estimation method and programIZUMI SEIICHI·Filed 2009·Granted Jun 4, 2013·4 cites·10 claims
- 3059US8228894B2Synchronization circuit, synchronization method, wireless communication apparatus, wireless communication method, and computer programIZUMI SEIICHI·Filed 2009·Granted Jul 24, 2012·1 cites·20 claims
- 3158US9008224B2OFDM pre-equalizingSONY DEUTSCHLAND GMBH·Filed 2013·Granted Apr 14, 2015·0 cites·19 claims
- 3258US8948302B2OFDM pre-equalizingSONY DEUTSCHLAND GMBH·Filed 2013·Granted Feb 3, 2015·0 cites·28 claims
- 3358US8185074B2Receiving apparatus, receiving method and wireless communication systemIZUMI SEIICHI·Filed 2009·Granted May 22, 2012·1 cites·5 claims
- 3454USRE45269EOFDM diversity transmissionSONY DEUTSCHLAND GMBH·Filed 2013·Granted Dec 2, 2014·0 cites·34 claims
- 3551US2006109932A1OFDM pre-equalizingSONY INT EUROPE GMBH·Filed 2005·Application pending·0 cites
- 3649US8358681B2Communication apparatus and communication calibration methodSONY CORP·Filed 2009·Granted Jan 22, 2013·0 cites·9 claims
- 3748US7970371B2Receiving apparatus, program and receiving methodSONY CORP·Filed 2008·Granted Jun 28, 2011·0 cites·9 claims
- 3848US6301684B1Data decoding apparatus and method for decoding convolution-coded input dataSONY CORP·Filed 1997·Granted Oct 9, 2001·24 cites·11 claims
- 3948US2009304128A1Packet Detection Apparatus and Method, Wireless Communication Apparatus and Method, and Computer ProgramIZUMI SEIICHI·Filed 2009·Application pending·0 cites
- 4046US8159395B2Communication device, communication system, position detection method and programFUKADA HIROYUKI·Filed 2009·Granted Apr 17, 2012·2 cites·9 claims
- 4146US5978416AReceiving system using training pattern correlation for improved signal receptionSONY CORP·Filed 1997·Granted Nov 2, 1999·21 cites·6 claims
- 4239US5949828ATDMA system receiverSONY CORP·Filed 1995·Granted Sep 7, 1999·9 cites·14 claims
- 4334US5905764ARadio receiverSONY CORP·Filed 1997·Granted May 18, 1999·6 cites·5 claims
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