LexDanaLexDanabeta
Inventor

Hiroshi Nishimoto

Inventor
Tokyo, JP

Overview

82→
Patents
1985–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 82 as inventor

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

H04Bprimary
H04BTransmission27%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein16%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04JMultiplex communication12%
G02BOptical elements, systems or apparatus6%
H04QSelecting5%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
H04WWireless communication networks2%
G06FElectric digital data processing2%
H05KPrinted circuits2%
PatentTitleYear
10,880,134Reception device, reception method, and communication system202010,862,603Transmission apparatus, reception apparatus, control station, communication system, and transmission precoding method202010,819,436Base station apparatus, ground station device, and ground antenna device202010,764,764Distributed antenna system202010,644,920Transmission apparatus, reception apparatus, and communication system202010,623,068Transmission device, communication system, and precoding computation method202010,212,612Distributed antenna system201910,122,467Optical transmitter and control method for optical transmitter201810,122,507Optical transmitter and method of controlling optical modulator201810,090,898Wireless communication system and method for forming a plurality of directed beams and precoding to adjust the received power at selected receiving apparatuses201810,033,446Transmitting apparatus, receiving apparatus, control station, communication system, and transmission precoding method201810,003,490Communication system, transmission apparatus, reception apparatus, and digital transmission method20189,917,716'Transmission apparatus, reception apparatus, and communication system to insert symbols and cyclic prefix into a block signal'20189,876,558Relay device, communication system, and relaying method20189,866,419'Transmission apparatus, reception apparatus, and communication system'20189,755,722'Transmission device, reception device, communication system, transmission method and reception method'20179,680,681'Transmission apparatus, reception apparatus, and communication system'20179,477,466'Information processing apparatus and instruction offloading method'20169,450,679'Optical transmitter, optical receiver and optical transceiver'20169,448,458'Optical communication device and method of controlling optical modulator'20169,400,547'Processing device and method thereof'20169,244,328'Optical modulator and optical modulation control method'20169,166,841'Receiving apparatus and receiving method'20159,143,273'Multi-level differential decoding device and method for quadrature amplitude modulation communication system'20159,069,224'Optical modulator and optical modulation control method'20158,914,715'Soft decision value generation circuit to reduce calculation amounts and hardware scale'20148,903,239'Optical modulator and optical modulation control method'20148,824,446'Wireless communication system, transmission device, and receiving device'20148,811,821'Optical transmitter, optical transmission method, and transmission/reception system'20147,929,862'Optical transmission system and optical transmission method'20117,443,341'Method for deriving weight vectors to be used at the time of transmitting signals from a plurality of antennas, and transmitting apparatus and communication system utilizing said method'20087,103,283'Transmission characteristic compensation control system'20066,904,548'Transmission characteristic compensation scheme'20056,871,024'Dispersion compensating method, dispersion compensating apparatus and optical transmission system'20056,449,074'Optical transmission device and optical communication system'20026,288,836'Optical amplifier and optical communication system having the optical amplifier'20016,124,080'Method of manufacturing an optical device with a groove accurately formed'20006,118,564'Optical time division demultiplexing apparatus and demultiplexed signal switching method as well as optical time division multiplex transmission system'20006,108,480'Optical device with a groove accurately formed'20006,055,094'Optical amplifying apparatus'20006,038,063'Optical amplifier and optical transmission system including the optical amplifier'20005,991,477'Optical transmission system, optical multiplexing transmission system, and related peripheral techniques'19995,961,683'Method of manufacturing an optical device with a groove accurately formed'19995,926,297'Optical modulating device and optical modulating method'19995,917,637'Method of and device for driving optical modulator, and optical communications system'19995,917,628'Optical time-division multiplexer capable of supplying stable output signal'19995,909,297'Drift compensating circuit for optical modulators in an optical system'19995,898,806'Optical interconnection circuit structure'19995,896,217'Optical transmission system, optical multiplexing transmission system, and related peripheral techniques'1999RE036088'Optical transmitter'19995,870,213'Optical transmission system, optical multiplexing transmission system, and related peripheral techniques'19995,815,294'Optical transmission system with transmission characteristic measuring device'19985,805,321'Control unit for optical modulators producing multiplexed optical output signal'19985,760,937'Optical demultiplexer'19985,754,322'Optical transmission system, optical multiplexing transmission system, and related peripheral techniques'19985,717,510'Optimized optical transmission system for high capacity transmission'19985,712,933'Waveguide-type optical device'19985,687,265'Optical control device and method for making the same'19975,661,830'Waveguide-type optical control device'19975,617,493'Waveguide type optical control device with properties of suppressed DC drift, reduced driving voltage and high speed operation'19975,548,673'Optical coupling device'19965,546,488'Waveguide-type optical path converter for converting a propagation direction of a light'19965,499,732'Method for fabricating an optical device'19965,483,012'Electrodepositable coating composition'19965,479,552'Waveguide-type optical device'19955,408,569'Optical channel waveguide having a high germania cladding content'19955,383,046'Supervisory and control signal transmitting system for use in optically amplifying repeaters system'19955,364,908'Process for making resin composition and resin composition'19945,359,449'Optical modulator for an optical transmitter'19945,317,443'Optical transmitter'19945,185,830'Optical waveguide directional coupler including control electrodes'19935,170,274'Optical transmitter'19925,157,756'Optical waveguide circuit with intersections'19925,074,631'Optical modulator'19915,050,947'Optical waveguide control device employing directional coupler on substrate'19914,989,949'Arrangement for discriminating whether or not semiconductor laser is functional'19914,983,006'Polarization-independent optical waveguide switch'19914,884,278'Semiconductor laser modulation control system'19894,875,087'Integrated circuit device having strip line structure therein'19894,827,327'Integrated circuit device having stacked conductive layers connecting circuit elements therethrough'19894,725,878'Semiconductor device'19884,495,410'Light receiving automatic gain control circuit'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2011Patents assigned to FUJITSU LTD (33)· patent assignee history
1988–2020Based in Tokyo, JP· patent location history
1989–2018Based in Sagamihara, JP· patent location history
1991–2000Patents assigned to NEC CORP (17)· patent assignee history
1994–2016Based in Kawasaki, JP· patent location history
1994–1996Based in Otsu, JP· patent location history
2014–2020Patents assigned to MITSUBISHI ELECTRIC CORP (18)· patent assignee history
2014–2018Patents assigned to FUJITSU OPTICAL COMPONENTS LTD (8)· patent assignee history
2014–2015Patents assigned to NISHIMOTO HIROSHI (5)· patent assignee history
2018Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD331985–2011
MITSUBISHI ELECTRIC CORP182014–2020
NEC CORP171991–2000
FUJITSU OPTICAL COMPONENTS LTD82014–2018
NISHIMOTO HIROSHIself52014–2015
Locations
LocationPatentsSpan
Tokyo, JP371988–2020
Kawasaki, JP291994–2016
Sagamihara, JP101989–2018
Otsu, JP21994–1996
Kanagawa, JP12018