Inventor
KUBO TOKURO
JP46 patents
⚠️ This page may combine multiple inventors who share the name “KUBO TOKURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
43 patentsUS6836517B2Dec 28, 2004
Distortion compensating apparatus
FUJITSU LTD111 citations98
US6909902B1Jun 21, 2005
Radio 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 system
FUJITSU LTD124 citations97
US7062287B2Jun 13, 2006
Transmission power control apparatus
FUJITSU LTD56 citations96
US6567478B2May 20, 2003
Radio apparatus having distortion compensating function
FUJITSU LTD74 citations96
US6552609B2Apr 22, 2003
Signal distortion compensating apparatus and method
FUJITSU LTD64 citations96
US5937005AAug 10, 1999
Error rate measurement apparatus for a mobile radio communications system
FUJITSU LTD56 citations96
US7551905B2Jun 23, 2009
Distortion compensation apparatus
FUJITSU LTD21 citations93
US7551687B2Jun 23, 2009
Distortion compensating apparatus
FUJITSU LTD21 citations93
US7106133B2Sep 12, 2006
Distortion compensator
FUJITSU LTD23 citations93
US7106249B2Sep 12, 2006
Phase calibration method and apparatus
FUJITSU LTD42 citations93
US7020447B2Mar 28, 2006
Method and apparatus for compensating for distortion in radio apparatus
FUJITSU LTD35 citations93
US7012969B2Mar 14, 2006
Distortion compensating apparatus
FUJITSU LTD44 citations93
US6980604B2Dec 27, 2005
Transmission device and transmission method
FUJITSU LTD47 citations93
US6907085B2Jun 14, 2005
Activation method of communications apparatus with a non-linear distortion compensation device
FUJITSU LTD36 citations93
US6864745B2Mar 8, 2005
Distortion compensation device
FUJITSU LTD33 citations93
US6717464B2Apr 6, 2004
Distortion compensating apparatus
FUJITSU LTD33 citations93
US6657493B2Dec 2, 2003
Distortion compensation apparatus and distortion compensation method
FUJITSU LTD27 citations93
US6754256B1Jun 22, 2004
Searcher for CDMA receiver apparatus
FUJITSU LTD36 citations92
US6711384B2Mar 23, 2004
Apparatus and method for controlling communications based on moving speed
FUJITSU LTD22 citations92
US6456827B1Sep 24, 2002
Apparatus and method for controlling communications based on moving speed
FUJITSU LTD40 citations92
US6249682B1Jun 19, 2001
Apparatus and method for estimating speed in mobile communication
FUJITSU LTD46 citations92
US6757525B1Jun 29, 2004
Distortion compensating apparatus
FUJITSU LTD44 citations91
US7848449B2Dec 7, 2010
Offset compensation device
FUJITSU LTD9 citations84
US7839949B2Nov 23, 2010
Peak suppression method, peak suppression apparatus and wireless transmission apparatus
FUJITSU LTD15 citations84
US7804914B2Sep 28, 2010
Radio transmission apparatus having peak suppression function
FUJITSU LTD11 citations84
US7496152B2Feb 24, 2009
Adaptive control apparatus
FUJITSU LTD9 citations84
US7447485B2Nov 4, 2008
Device and method for controlling a voltage control signal
FUJITSU LTD12 citations84
US7388926B2Jun 17, 2008
Quadrature modulation system
FUJITSU LTD14 citations84
US7187667B1Mar 6, 2007
Receiving device for use in CDMA communications
FUJITSU LTD10 citations84
US6737918B2May 18, 2004
Distortion compensation apparatus
FUJITSU LTD10 citations74
US7856069B2Dec 21, 2010
Distortion compensation apparatus
FUJITSU LTD2 citations63
US7782153B2Aug 24, 2010
Timing adjusting method and timing adjusting apparatus
FUJITSU LTD3 citations63
US7756216B2Jul 13, 2010
Signal peak voltage suppression apparatus
FUJITSU LTD5 citations63
US7639755B2Dec 29, 2009
Distortion compensating apparatus
FUJITSU LTD5 citations63
US7519097B2Apr 14, 2009
Spread-signal multiplexing circuit
FUJITSU LTD2 citations63
US7447484B2Nov 4, 2008
Timing controller and timing control method
FUJITSU LTD4 citations63
US7392020B2Jun 24, 2008
Table reference type predistorter
FUJITSU LTD2 citations63
US7170925B2Jan 30, 2007
CDMA receiver
FUJITSU LTD2 citations62
US7983636B2Jul 19, 2011
Amplifier control device
FUJITSU LTD0 citations52
US7973522B2Jul 5, 2011
DC/DC converter, and power amplifier applying the same
FUJITSU LTD0 citations52
US7664473B2Feb 16, 2010
Amplifier control device
FUJITSU LTD1 citations52
US9872294B2Jan 16, 2018
Base station, radio communications system, and processing method in base station
FUJITSU LTD0 citations42
US9819366B2Nov 14, 2017
Wireless communications device and wireless signal processing method
FUJITSU LTD0 citations41