Inventor
HONGO NAOKI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “HONGO NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI INT ELECTRIC INC
28 patentsUS7427895B1Sep 23, 2008
Doherty amplifier with improved linearity
HITACHI INT ELECTRIC INC78 citations98
US7098734B2Aug 29, 2006
Distortion-compensated amplifier using predistortion technique
HITACHI INT ELECTRIC INC53 citations96
US6366765B1Apr 2, 2002
Receiver
HITACHI INT ELECTRIC INC62 citations93
US8030995B2Oct 4, 2011
Power circuit used for an amplifier
HITACHI INT ELECTRIC INC21 citations92
US8014443B2Sep 6, 2011
Non-linear distortion detection method and distortion compensation amplifying device
HITACHI INT ELECTRIC INC20 citations92
US7683713B2Mar 23, 2010
Predistorter
HITACHI INT ELECTRIC INC17 citations92
US7514996B2Apr 7, 2009
Distortion compensation amplifying apparatus
HITACHI INT ELECTRIC INC25 citations92
US7190222B2Mar 13, 2007
Predistorter
HITACHI INT ELECTRIC INC31 citations92
US7142615B2Nov 28, 2006
Distortion compensator
HITACHI INT ELECTRIC INC37 citations92
US6931239B2Aug 16, 2005
Peak limiter and multi-carrier amplification apparatus
HITACHI INT ELECTRIC INC28 citations92
US6925106B2Aug 2, 2005
Predistortion type distortion compensation apparatus
HITACHI INT ELECTRIC INC24 citations92
US6714073B2Mar 30, 2004
Predistortion type distortion compensation amplification apparatus
HITACHI INT ELECTRIC INC28 citations92
US7944295B2May 17, 2011
Predistorter
HITACHI INT ELECTRIC INC17 citations84
US7511574B2Mar 31, 2009
Predistorter
HITACHI INT ELECTRIC INC8 citations84
US7170345B2Jan 30, 2007
Predistorter
HITACHI INT ELECTRIC INC19 citations84
US6904267B2Jun 7, 2005
Amplifying device
HITACHI INT ELECTRIC INC14 citations84
US6741128B2May 25, 2004
Distortion canceling circuit
HITACHI INT ELECTRIC INC15 citations83
US6856196B2Feb 15, 2005
Distortion compensator
HITACHI INT ELECTRIC INC7 citations73
US6753728B2Jun 22, 2004
Distortion reducing circuit
HITACHI INT ELECTRIC INC10 citations73
US7719353B2May 18, 2010
LINC amplifying device
HITACHI INT ELECTRIC INC2 citations63
US7679439B2Mar 16, 2010
Predistorter
HITACHI INT ELECTRIC INC2 citations63
US7212584B2May 1, 2007
Distortion compensator
HITACHI INT ELECTRIC INC5 citations62
US6809588B2Oct 26, 2004
Distortion compensation circuit
HITACHI INT ELECTRIC INC2 citations62
US11528060B2Dec 13, 2022
Wireless apparatus, communication system, and communication method
HITACHI INT ELECTRIC INC0 citations52
US10742371B2Aug 11, 2020
Wireless communication system
HITACHI INT ELECTRIC INC0 citations42
US10505596B2Dec 10, 2019
Wireless communication system
HITACHI INT ELECTRIC INC0 citations42
US7696761B2Apr 13, 2010
Spectrum analyzing method, distortion detector and distortion compensation amplifying device
HITACHI INT ELECTRIC INC0 citations42
US6959174B2Oct 25, 2005
Amplifying device
HITACHI INT ELECTRIC INC0 citations42