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Patents Grants
last 30 patents
Information
Patent Grant
Transmission device and method of setting transmission parameter
Patent number
11,664,904
Issue date
May 30, 2023
Fujitsu Limited
Shoichiro Oda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer-readable recording medium, compiler, execution control app...
Patent number
8,839,191
Issue date
Sep 16, 2014
Fujitsu Limited
Kenji Ota
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication system, communication device, and communication method
Patent number
8,630,538
Issue date
Jan 14, 2014
Fujitsu Limited
Makoto Nashimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus and optical transmission system
Patent number
7,376,355
Issue date
May 20, 2008
Fujitsu Limited
Kenji Ota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detection of disconnection in an optical transmission line
Patent number
7,319,816
Issue date
Jan 15, 2008
Fujitsu Limited
Tsutomu Satou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifying and repeating method and optical amplifying and...
Patent number
7,068,945
Issue date
Jun 27, 2006
Fujitsu Limited
Hiroshi Ogiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Supervisory signal transmitter and method
Patent number
6,310,708
Issue date
Oct 30, 2001
Fujitsu Limited
Kenji Ota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TRANSMISSION DEVICE AND METHOD OF SETTING TRANSMISSION PARAMETER
Publication number
20220224417
Publication date
Jul 14, 2022
Fujitsu Limited
Shoichiro Oda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MEASUREMENT DEVICE, TRANSMISSION DEVICE, AND NETWORK SYSTEM
Publication number
20200328806
Publication date
Oct 15, 2020
Fujitsu Limited
Makoto SHIMIZU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL SWITCHING DEVICE AND OPTICAL TRANSMISSION SYSTEM
Publication number
20140363161
Publication date
Dec 11, 2014
YASUSHI OIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMITTER, OPTICAL RECEIVER,...
Publication number
20140126916
Publication date
May 8, 2014
Fujitsu Limited
Kenji OTA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMPUTER-READABLE RECORDING MEDIUM, COMPILER, EXECUTION CONTROL APP...
Publication number
20130086596
Publication date
Apr 4, 2013
Fujitsu Limited
Kenji OTA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND COMMUNICATION METHOD
Publication number
20120243879
Publication date
Sep 27, 2012
Fujitsu Limited
Makoto NASHIMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical amplifying and repeating method and optical amplifying and...
Publication number
20050226614
Publication date
Oct 13, 2005
FUJITSU LIMITED
Hiroshi Ogiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission apparatus and optical transmission system
Publication number
20050213980
Publication date
Sep 29, 2005
FUJITSU LIMITED
Kenji Ota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Detection of disconnection in an optical transmission line
Publication number
20040190897
Publication date
Sep 30, 2004
FUJITSU LIMITED
Tsutomu Satou
H04 - ELECTRIC COMMUNICATION TECHNIQUE