Membership
Tour
Register
Log in
Kenji Ohta
Follow
Person
Kawasaki, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Monitoring apparatus and method for polarization scrambler and opti...
Patent number
8,244,129
Issue date
Aug 14, 2012
Fujitsu Limited
Shinichi Kaneko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Supervisory controlling method and supervisory controlling system o...
Patent number
8,041,231
Issue date
Oct 18, 2011
Fujitsu Limited
Kenji Ohta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Supervisory controlling method and supervisory controlling system o...
Patent number
7,676,160
Issue date
Mar 9, 2010
Fujitsu Limited
Kenji Ohta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
WDM optical transmission equipment with redundant configuration, an...
Patent number
7,450,844
Issue date
Nov 11, 2008
Fujitsu Limited
Yoshio Nabeyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifying apparatus which routes pumping light to a raman...
Patent number
7,079,313
Issue date
Jul 18, 2006
Fujitsu Limited
Hiroshi Ogiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical repeater
Patent number
5,737,105
Issue date
Apr 7, 1998
Fujitsu Limited
Kenji Ohta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power feed circuit for use in a submarine cable branching unit
Patent number
5,644,466
Issue date
Jul 1, 1997
Fujitsu Limited
Kenji Ohta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical-fiber amplifier
Patent number
5,581,397
Issue date
Dec 3, 1996
Fujitsu Limited
Takanori Maki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Feeding system and feeding method for a submarine cable communicati...
Patent number
5,334,879
Issue date
Aug 2, 1994
Fujitsu Limited
Yoshiyuki Inoue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Supervisory controlling method and supervisory controlling system o...
Publication number
20100142974
Publication date
Jun 10, 2010
FUJITSU LIMITED
Kenji Ohta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONITORING APPARATUS AND METHOD FOR POLARIZATION SCRAMBLER AND OPTI...
Publication number
20090290874
Publication date
Nov 26, 2009
FUJITSU LIMITED
Shinichi KANEKO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WDM optical transmission equipment with redundant configuration, an...
Publication number
20060024058
Publication date
Feb 2, 2006
Yoshio Nabeyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical amplifying apparatus
Publication number
20040091003
Publication date
May 13, 2004
FUJITSU LIMITED
Hiroshi Ogiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Supervisory controlling method and supervisory controlling system o...
Publication number
20030072064
Publication date
Apr 17, 2003
FUJITSU LIMITED
Kenji Ohta
H04 - ELECTRIC COMMUNICATION TECHNIQUE