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Inventor

Hiroaki Nakazawa

Inventor
Chigasaki, JP

Overview

11→
Patents
2005–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication63%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
A63FCard, board, or roulette games6%
G06FElectric digital data processing6%
H04JMultiplex communication6%
H04WWireless communication networks6%
PatentTitleYear
9,407,389'Communication system and time synchronization method'20167,830,886'Router and SIP server'20107,680,121'Transmission apparatus, method and program'20107,664,954'Providing apparatus, providing method, communication device, communication method, and program'20107,542,573'Providing apparatus, communication device, method, and program'20097,457,875'Access server with function of collecting communication statistics information'20087,415,536'Address query response method, program, and apparatus, and address notification method, program, and apparatus'20087,404,008'Address translator and method for management of address translation rules'20087,330,470'Router and sip server'20087,123,599'Mobile communication system'20066,956,575'Character provision service system, information processing apparatus, controlling method therefor, and recording medium'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2010Patents assigned to CANON KK (5)· patent assignee history
2005–2016Based in Tokyo, JP· patent location history
2006–2016Patents assigned to HITACHI LTD (4)· patent assignee history
2006–2010Based in Chigasaki, JP· patent location history
2008Patents assigned to HITACHI COMM TECH LTD (2)· patent assignee history
2008–2010Based in Kanagawa, JP· patent location history
2009–2010Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK52005–2010
HITACHI LTD42006–2016
HITACHI COMM TECH LTD22008
Locations
LocationPatentsSpan
Chigasaki, JP52006–2010
Tokyo, JP22005–2016
Kanagawa, JP22008–2010
Kawasaki, JP22009–2010