Inventor
IZUMI SEIICHI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY DEUTSCHLAND GMBH
17 patentsUS7684756B2Mar 23, 2010
Adaptive subcarrier loading
SONY DEUTSCHLAND GMBH18 citations93
US7633848B2Dec 15, 2009
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY DEUTSCHLAND GMBH13 citations92
US9596059B2Mar 14, 2017
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY DEUTSCHLAND GMBH3 citations84
US7414962B2Aug 19, 2008
OFDM diversity transmission
SONY DEUTSCHLAND GMBH10 citations84
US7388928B2Jun 17, 2008
OFDM pre-equalizing
SONY DEUTSCHLAND GMBH9 citations84
US7961588B2Jun 14, 2011
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY DEUTSCHLAND GMBH6 citations74
USRE40715EMay 26, 2009
Method and means for allocating time slots in a TDD system
SONY DEUTSCHLAND GMBH6 citations74
US7414959B2Aug 19, 2008
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY DEUTSCHLAND GMBH6 citations74
US7835696B2Nov 16, 2010
Adaptive subcarrier loading
SONY DEUTSCHLAND GMBH6 citations71
US9954710B2Apr 24, 2018
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY DEUTSCHLAND GMBH1 citations63
US9455806B2Sep 27, 2016
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY DEUTSCHLAND GMBH1 citations63
US7957258B2Jun 7, 2011
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY DEUTSCHLAND GMBH1 citations63
USRE45269EDec 2, 2014
OFDM diversity transmission
SONY DEUTSCHLAND GMBH0 citations52
US9967118B2May 8, 2018
OFDM pre-equalizing
SONY DEUTSCHLAND GMBH0 citations50
US9450792B2Sep 20, 2016
OFDM pre-equalizing
SONY DEUTSCHLAND GMBH0 citations50
US9008224B2Apr 14, 2015
OFDM pre-equalizing
SONY DEUTSCHLAND GMBH0 citations50
US8948302B2Feb 3, 2015
OFDM pre-equalizing
SONY DEUTSCHLAND GMBH0 citations50
SONY CORP
9 patentsUS6674732B1Jan 6, 2004
Transmitting method, receiving method, transmitter, and receiver
SONY CORP36 citations92
US6301684B1Oct 9, 2001
Data decoding apparatus and method for decoding convolution-coded input data
SONY CORP24 citations92
US5978416ANov 2, 1999
Receiving system using training pattern correlation for improved signal reception
SONY CORP21 citations92
US5949828ASep 7, 1999
TDMA system receiver
SONY CORP9 citations74
US8045948B2Oct 25, 2011
Receiving apparatus, program and receiving method
SONY CORP2 citations63
US7746948B2Jun 29, 2010
Wireless communication apparatus and wireless communication method
SONY CORP6 citations63
US5905764AMay 18, 1999
Radio receiver
SONY CORP6 citations62
US8358681B2Jan 22, 2013
Communication apparatus and communication calibration method
SONY CORP0 citations42
US7970371B2Jun 28, 2011
Receiving apparatus, program and receiving method
SONY CORP0 citations42
SONY INT EUROPE GMBH
6 patentsUS6631168B2Oct 7, 2003
Generating matrices to be used for the random orthogonal transformation of blocks of data in a transmission chain
SONY INT EUROPE GMBH132 citations99
US6567374B1May 20, 2003
Data and pilot mapping in an OFDM system
SONY INT EUROPE GMBH156 citations99
US6545997B1Apr 8, 2003
Transmission method and transmission apparatus for transmitting signals on the basis of a OFDM/TDMA-system with pilot symbols
SONY INT EUROPE GMBH354 citations99
US6549581B1Apr 15, 2003
Transmitter and method to cancel interference in OFDM communication
SONY INT EUROPE GMBH91 citations98
US7085223B2Aug 1, 2006
Communication device for receiving and transmitting OFDM signals in a wireless communication system
SONY INT EUROPE GMBH17 citations92
US6577641B1Jun 10, 2003
Method and means for allocating time slots in a TDD system
SONY INT EUROPE GMBH42 citations92
IZUMI SEIICHI
6 patentsUS8077696B2Dec 13, 2011
Wireless communication apparatus and wireless communication method
IZUMI SEIICHI40 citations92
US8817578B2Aug 26, 2014
Sonic wave output device, voice communication device, sonic wave output method and program
IZUMI SEIICHI4 citations70
US8743675B2Jun 3, 2014
Communication device for receiving and transmitting OFDM signals in a wireless communication system
IZUMI SEIICHI1 citations62
US8456362B2Jun 4, 2013
Receiving apparatus, radio communication system, position estimation method and program
IZUMI SEIICHI4 citations61
US8228894B2Jul 24, 2012
Synchronization circuit, synchronization method, wireless communication apparatus, wireless communication method, and computer program
IZUMI SEIICHI1 citations51
US8185074B2May 22, 2012
Receiving apparatus, receiving method and wireless communication system
IZUMI SEIICHI1 citations51