Inventor

Junichiro Hagiwara

Inventor
Yokohama, JP

Overview

39→
Patents
2004–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 39 as inventor

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

H04Wprimary
H04WWireless communication networks51%
H04BTransmission38%
H04JMultiplex communication8%
H04LTransmission of digital information, e.g. telegraphic communication1%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use1%
PatentTitleYear
10,342,061Radio communication system and control method20199,955,513Radio communication system and control method20189,843,966'Radio communication system'20179,775,180'Radio communication system'20179,344,922'Radio communication system and base station'20168,995,330'Base station, relay station and method in mobile communication system'20158,923,752'Relay station for relaying communication between user apparatus and base station, and relay method'20148,918,106'Relay apparatus, radio communication system, and transmission control method'20148,855,043'Relay node and reconnection method'20148,792,413'Relay station, base station, radio communication system, and method'20148,730,883'Coordinated transmission method, coordinated transmission system, central station and radio base station'20148,542,835'Method and system for mobile communications'20138,483,038'Radio communication apparatus and radio communication method'20138,385,861'Radio communication apparatus and radio communication method'20138,331,935'Method and system for mobile communications'20128,326,245'Radio communication apparatus and radio communication method'20128,275,133'Method and system for mobile communications'20128,259,675'Method and system for mobile communications'20128,224,369'Radio communication apparatus and radio communication method'20128,200,169'Transmitter apparatus, mobile communication system, base station and communication enable signal transmitter apparatus'20128,185,158'Method and system for mobile communications'20128,126,498'Radio communication apparatus and radio communication method'20128,095,169'Radio communication apparatus and radio communication method'20128,005,120'Base station apparatus of mobile communication system'20117,953,414'Method and system for mobile communications'20117,907,730'Method and system for mobile communications'20117,826,861'Base station apparatus of mobile communication system'20107,792,531'Method and system for mobile communications'20107,672,357'Base station apparatus of mobile communication system'20107,664,507'Method and system for mobile communications'20107,630,716'Method and system for mobile communications'20097,577,435'Method and system for mobile communications'20097,486,651'Mobile node, an ad hoc network routing controlling method and an ad hoc network system'20097,443,907'Base station apparatus of mobile communication system'20087,383,045'Method and system for mobile communications'20087,236,787'Method and system for mobile communications'20077,203,498'Transmission rate switching control method for mobile communication system and mobile communication control apparatus'20077,095,780'Base station apparatus of mobile communication system'20066,782,035'Base station apparatus of mobile communication system'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2019Patents assigned to NTT DOCOMO INC (33)· patent assignee history
2004–2014Based in Kanagawa, JP· patent location history
2007–2013Based in Yokohama, JP· patent location history
2012–2015Patents assigned to HAGIWARA JUNICHIRO (16)· patent assignee history
2012–2013Patents assigned to HAMAJIMA TAKUYA (5)· patent assignee history
2012–2013Patents assigned to HATA MASAFUMI (5)· patent assignee history
2012–2013Patents assigned to IGARASHI DAISUKE (5)· patent assignee history
2014–2019Based in Tokyo, JP· patent location history
2014Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NTT DOCOMO INC332004–2019
HAGIWARA JUNICHIROself162012–2015
HAMAJIMA TAKUYA52012–2013
HATA MASAFUMI52012–2013
IGARASHI DAISUKE52012–2013
Locations
LocationPatentsSpan
Yokohama, JP232007–2013
Tokyo, JP92014–2019
Kanagawa, JP62004–2014
Chiyoda-ku, JP12014