Inventor
KUSUNOKI SHIGEO
JP44 patents
⚠️ This page may combine multiple inventors who share the name “KUSUNOKI SHIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
30 patentsUS6741127B2May 25, 2004
High-frequency amplifier circuit and radio communication apparatus using same
SONY CORP73 citations98
US5781071AJul 14, 1998
Transformers and amplifiers
SONY CORP143 citations98
US6677821B2Jan 13, 2004
Distortion compensating apparatus
SONY CORP25 citations93
US6531917B2Mar 11, 2003
Non-linear distortion compensating apparatus
SONY CORP24 citations93
US6201455B1Mar 13, 2001
Antenna switch circuit
SONY CORP22 citations92
US6480705B1Nov 12, 2002
Distortion compensation method and wireless communication apparatus
SONY CORP17 citations84
US7224221B2May 29, 2007
Power amplification apparatus, and mobile communication terminal apparatus
SONY CORP8 citations74
US6993090B2Jan 31, 2006
Distortion compensation apparatus and distortion compensation method
SONY CORP10 citations74
US6766151B2Jul 20, 2004
Distortion-compensating apparatus
SONY CORP8 citations74
US6393259B1May 21, 2002
Amplifier circuit and transceiver
SONY CORP9 citations74
US5471656ANov 28, 1995
Communication apparatus utilizing high power amplifier
SONY CORP19 citations74
US5408198AApr 18, 1995
Semiconductor power amplifier integrated circuit
SONY CORP18 citations74
US5406151AApr 11, 1995
Semiconductor switching circuit
SONY CORP7 citations74
US10003389B2Jun 19, 2018
MIMO communication method, and base station apparatus and terminal
SONY CORP2 citations73
US9930671B2Mar 27, 2018
Device and method for performing non-orthogonal multiplexing
SONY CORP3 citations73
US9871565B2Jan 16, 2018
MIMO communication method, transmitting device, and receiving device
SONY CORP2 citations73
US9197302B2Nov 24, 2015
MIMO communication method
SONY CORP2 citations63
US6466092B2Oct 15, 2002
Distortion compensation method and apparatus
SONY CORP6 citations63
US6452447B2Sep 17, 2002
Adaptive distortion-compensation apparatus
SONY CORP3 citations63
US5963089AOct 5, 1999
Semiconductor amplifying apparatus and communication terminal apparatus
SONY CORP5 citations63
US11245447B2Feb 8, 2022
MIMO communication method, and base station apparatus and terminal
SONY CORP0 citations62
US10931335B2Feb 23, 2021
MIMO communication method, transmitting device, and receiving device
SONY CORP0 citations62
US10555308B2Feb 4, 2020
Device and method for performing non-orthogonal multiplexing
SONY CORP0 citations52
US10547360B2Jan 28, 2020
MIMO communication method, and base station apparatus and terminal
SONY CORP0 citations52
US9350578B2May 24, 2016
Sigma-delta modulation apparatus and sigma-delta modulation power amplifier
SONY CORP1 citations52
US6556079B2Apr 29, 2003
Distortion compensating device and method for compensating distortion
SONY CORP1 citations52
US10090945B2Oct 2, 2018
MIMO communication system of transmitting and receiving pilot signals to estimate a channel
SONY CORP0 citations51
US9831963B2Nov 28, 2017
MIMO communication method, terminal, and base station apparatus for transmitting and receiving pilot signals to estimate a channel
SONY CORP0 citations51
US9716534B2Jul 25, 2017
Base station and massive MIMO communication method
SONY CORP0 citations42
US9166855B2Oct 20, 2015
MIMO communication method, MIMO transmitting device, and MIMO receiving device
SONY CORP0 citations42
SONY ERICSSON MOBILE COMM JP
8 patentsUS7368985B2May 6, 2008
High frequency power amplifier and transmitter
SONY ERICSSON MOBILE COMM JP61 citations98
US7589589B2Sep 15, 2009
Power amplifying apparatus and mobile communication terminal
SONY ERICSSON MOBILE COMM JP17 citations92
US7259621B2Aug 21, 2007
Distortion compensating device and power amplifying device with distortion compensating function
SONY ERICSSON MOBILE COMM JP24 citations89
US7307473B2Dec 11, 2007
Distortion compensating and power amplifying apparatus
SONY ERICSSON MOBILE COMM JP16 citations81
US7928799B2Apr 19, 2011
Power amplifying apparatus and mobile communication terminal
SONY ERICSSON MOBILE COMM JP6 citations74
US7330518B2Feb 12, 2008
Distortion compensation circuit, and a transmission apparatus including the same
SONY ERICSSON MOBILE COMM JP7 citations74
US7400863B2Jul 15, 2008
Switch apparatus, switchable power amplification apparatus, and mobile communication terminal apparatus using the same
SONY ERICSSON MOBILE COMM JP5 citations60
US7974597B2Jul 5, 2011
Power amplifier system and mobile phone terminal using same
SONY ERICSSON MOBILE COMM JP0 citations52
SONY MOBILE COMMUNICATIONS INC
3 patentsUS9331846B2May 3, 2016
Communication method and reception apparatus
SONY MOBILE COMMUNICATIONS INC4 citations73
US9215118B2Dec 15, 2015
Communication method and transmission apparatus
SONY MOBILE COMMUNICATIONS INC2 citations63
US10187093B2Jan 22, 2019
Power amplification apparatus for massive MIMO base stations
SONY MOBILE COMMUNICATIONS INC0 citations52