LexDanaLexDanabeta
Inventor

Kazuo Nagatani

Inventor
Kawasaki, JP

Overview

108→
Patents
1983–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 108 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Fprimary
H03FAmplifiers34%
H04BTransmission25%
H04LTransmission of digital information, e.g. telegraphic communication23%
H04JMultiplex communication5%
H04WWireless communication networks3%
B41FPrinting machines or presses3%
H03CModulation2%
H03GControl of amplification2%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables1%
H03MCoding1%
PatentTitleYear
9,825,658'Distortion compensation apparatus and distortion compensation method'20179,819,372'Radio communication device and burst distortion correcting method'20179,819,370'Distortion compensation device and distortion compensation method'20179,813,273'Peak suppression device'20179,768,891'Distortion compensation device and distortion compensation method'20179,755,877'Peak suppression device and peak suppression method'20179,584,168'Distortion compensator and distortion compensation method'20179,515,861'Peak suppression apparatus'20169,294,047'Power amplifier apparatus, transmitter apparatus, and method of controlling the power amplifier apparatus'20169,276,799'Wireless transmission apparatus and distortion compensation method'20169,270,231'Distortion compensation apparatus, wireless transmission apparatus, and distortion compensation method'20169,263,994'Amplifying device, distortion compensating device, and amplifying method'20169,236,893'Distortion compensation device and distortion compensation method'20169,225,295'Distortion compensation apparatus and distortion compensation method'20159,203,449'Delay quantity estimation apparatus and delay quantity estimation method'20159,190,964'Distortion compensation device and distortion compensation method'20159,100,263'Distortion compensation apparatus and distortion compensation method'20158,933,752'Power amplifier apparatus, distortion compensation coefficient updating method, and transmission apparatus'20158,831,135'Address controller, transmitter, and address control method'20148,792,546'Transmission circuit'20148,787,487'Distortion compensation device and distortion compensating method'20148,737,937'Distortion compensation apparatus, transmitter, and distortion compensation method'20148,712,345'Distortion compensation device, distortion compensation method, and radio transmitter'20148,655,289'Distortion compensation device, transmitter, and distortion compensation method'20148,619,905'Predistorter and distortion compensation method'20138,605,815'Delay amount estimating apparatus and signal transmitting apparatus'20138,588,711'Transmission apparatus and distortion compensation method'20138,571,495'Distortion compensation apparatus and method'20138,532,223'Power amplifying device and power amplifying method'20138,525,592'Power amplification device, transmitter, and power amplification control method'20138,520,770'Amplitude suppressing apparatus and signal transmitting apparatus'20138,514,914'IQ imbalance correction method in a wireless communication device including a quadrature modulation/demodulation function'20138,509,349'Transmitter and distortion compensating method'20138,493,144'Distortion compensation device, radio communication device, and distortion compensation method'20138,489,037'Power amplifying apparatus with bandwidth limitation processing on variable power supply'20138,452,250'DC offset compensation method and DC offset compensation device'20138,451,055'Distortion compensating apparatus, transmitting apparatus, and distortion compensating method'20138,442,157'Wireless apparatus and signal processing method'20138,433,262'Transmission device and transmission method'20138,270,530'Apparatus and method of compensating distortion'20128,254,857'Radio communication device and radio communication method'20128,154,341'Power amplifying apparatus'20128,130,866'Peak suppressing apparatus, peak suppressing method, and wireless communication device'20128,102,941'Peak suppression control apparatus'20128,064,529'Peak suppressor'20118,009,756'Peak suppressing and restoring method, transmitter, receiver, and peak suppressing and restoring system'20117,991,073'Distortion compensation apparatus and method'20117,983,636'Amplifier control device'20117,969,205'Peak power reduction method'20117,920,644'Predistortion apparatus and predistortion method'20117,881,404'Distortion correction control apparatus and distortion correction control method'20117,860,185'Distortion compensating apparatus and power amplifier apparatus'20107,856,069'Distortion compensation apparatus'20107,848,449'Offset compensation device'20107,839,949'Peak suppression method, peak suppression apparatus and wireless transmission apparatus'20107,804,914'Radio transmission apparatus having peak suppression function'20107,782,153'Timing adjusting method and timing adjusting apparatus'20107,756,216'Signal peak voltage suppression apparatus'20107,746,957'Distortion correction control apparatus and distortion correction control method'20107,664,473'Amplifier control device'20107,639,755'Distortion compensating apparatus'20097,551,687'Distortion compensating apparatus'20097,551,905'Distortion compensation apparatus'20097,519,097'Spread-signal multiplexing circuit'20097,496,152'Adaptive control apparatus'20097,447,484'Timing controller and timing control method'20087,447,485'Device and method for controlling a voltage control signal'20087,392,020'Table reference type predistorter'20087,388,926'Quadrature modulation system'20087,376,114'Code multiplexing transmitting apparatus'20087,224,720'Correlator and delay lock loop circuit'20077,106,249'Phase calibration method and apparatus'20067,106,133'Distortion compensator'20067,020,447'Method and apparatus for compensating for distortion in radio apparatus'20067,012,969'Distortion compensating apparatus'20066,980,604'Transmission device and transmission method'20056,909,902'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'20056,907,085'Activation method of communications apparatus with a non-linear distortion compensation device'20056,864,745'Distortion compensation device'20056,853,631'Code-division multiplex communication transmitting apparatus and receiving apparatus and method thereof'20056,836,517'Distortion compensating apparatus'20046,826,169'Code multiplexing transmitting apparatus'20046,791,965'Code multiplexing transmitting apparatus'20046,757,525'Distortion compensating apparatus'20046,737,918'Distortion compensation apparatus'20046,717,464'Distortion compensating apparatus'20046,657,493'Distortion compensation apparatus and distortion compensation method'20036,650,689'Correlator and delay lock loop circuit'20036,567,478'Radio apparatus having distortion compensating function'20036,563,859'Receiver and receiving method in multi-carrier spread-spectrum communications'20036,552,609'Signal distortion compensating apparatus and method'20036,496,474'Spread encoding device and method'20026,487,193'Path searched device and CDMA receiver with the same'20026,442,218'Demodulator'20026,198,731'Radiocommunication apparatus, and radiocommunication system'20016,108,548'Mobile station and soft handoff method'20006,097,714'Code multiplexing transmitting apparatus'20006,058,138'Radio reception system providing improved transmission quality'20006,041,034'Spread spectrum communication system'20006,028,894'SIR or SNR measurement apparatus'20006,018,545'Communications device employing spectrum spreading in transmitted bits along a time axis'20006,009,090'Code multiplexing wireless apparatus'19995,870,668'Amplifier having distortion compensation and base station for radio communication using the same'19995,101,722'Cylinder type silk-screen printing apparatus'19924,905,985'Cam operated gripper for a printing press'19904,509,422'Paper discharger in cylinder screen printing machine'19854,448,124'Apparatus for discharge of printed sheets from a cylinder type screen printing machine'19844,376,412'Squeegee pressing device in a screen printing machine'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1992Based in Seki, JP· patent location history
1999–2017Patents assigned to FUJITSU LTD (103)· patent assignee history
1999–2015Based in Kawasaki, JP· patent location history
2002–2005Based in Kanagawa, JP· patent location history
2011–2015Patents assigned to NAGATANI KAZUO (28)· patent assignee history
2011–2015Patents assigned to ISHIKAWA HIROYOSHI (26)· patent assignee history
2011–2015Patents assigned to FUDABA NOBUKAZU (25)· patent assignee history
2012–2015Patents assigned to UTSUNOMIYA YUICHI (20)· patent assignee history
2014–2017Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD1031999–2017
NAGATANI KAZUOself282011–2015
ISHIKAWA HIROYOSHI262011–2015
FUDABA NOBUKAZU252011–2015
UTSUNOMIYA YUICHI202012–2015
Locations
LocationPatentsSpan
Kawasaki, JP791999–2015
Yokohama, JP212014–2017
Seki, JP51983–1992
Kanagawa, JP32002–2005