Inventor
SHIIKUMA KAZUMI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SHIIKUMA KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
11 patentsUS7262656B2Aug 28, 2007
Circuit for parallel operation of Doherty amplifiers
NEC CORP51 citations92
US6792050B1Sep 14, 2004
Ask modulation apparatus and method
NEC CORP20 citations88
US7453320B2Nov 18, 2008
Amplifier
NEC CORP11 citations83
US7295064B2Nov 13, 2007
Doherty amplifier
NEC CORP11 citations80
US7315207B2Jan 1, 2008
Doherty amplifier and its distortion characteristic compensation method
NEC CORP7 citations73
US9319255B2Apr 19, 2016
Transmitter, signal-synthesizing circuit, and signal-synthesizing method
NEC CORP0 citations51
US7710202B2May 4, 2010
Amplifier
NEC CORP1 citations51
US10361693B2Jul 23, 2019
Power source supply circuit, amplifier, communication device, base station, and power source supply method
NEC CORP0 citations50
US9853605B2Dec 26, 2017
Transistor package, amplification circuit including the same, and method of forming transistor
NEC CORP0 citations41
US9793862B2Oct 17, 2017
Transmitter and transmission method
NEC CORP0 citations41
US9503029B2Nov 22, 2016
Transmitting amplifier and transmitter
NEC CORP0 citations41