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Inventor

Kazuyuki Ohtsu

Inventor
Kawasaki, JP

Overview

9→
Patents
2003–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 9 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 communication44%
H04MTelephonic communication39%
H04QSelecting6%
H04WWireless communication networks6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
8,606,243'Mobile network system and guidance message providing method'20138,346,269'Mobile network system and guidance message providing method'20137,272,135'Gateway apparatus'20076,987,757'Call setting method for network system'20066,788,677'Gateway apparatus, terminal specification method for gateway apparatus and computer-readable recording medium having recorded terminal-specifying program'20046,771,637'Gateway apparatus'20046,724,749'Internet telephony system'20046,657,995'Circuit connecting unit in integrated network'20036,577,638'Gateway carrying out routing optimization'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2013Patents assigned to FUJITSU LTD (9)· patent assignee history
2003–2013Based in Kawasaki, JP· patent location history
2013Patents assigned to EGUCHI YUMI (2)· patent assignee history
2013Patents assigned to INOKAWA KOHJI (2)· patent assignee history
2013Patents assigned to MITSUHASHI TAKASHI (2)· patent assignee history
2013Patents assigned to OHTSU KAZUYUKI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD92003–2013
EGUCHI YUMI22013
INOKAWA KOHJI22013
MITSUHASHI TAKASHI22013
OHTSU KAZUYUKIself22013
Locations
LocationPatentsSpan
Kawasaki, JP92003–2013