Membership
Tour
Register
Log in
Shigeru ISHII
Follow
Person
Shinagawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical wavelength multiplexing transmission apparatus and optical...
Patent number
10,541,749
Issue date
Jan 21, 2020
Fujitsu Limited
Shigeru Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for estimating optical transmission performance
Patent number
10,158,422
Issue date
Dec 18, 2018
Fujitsu Limited
Shoichiro Oda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control device, optical transmission system, and method for control...
Patent number
10,116,387
Issue date
Oct 30, 2018
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing apparatus, wavelength defragmentation method...
Patent number
10,090,923
Issue date
Oct 2, 2018
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system, node apparatus, and reachability deter...
Patent number
9,634,762
Issue date
Apr 25, 2017
Fujitsu Limited
Shigeru Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system, node apparatus, and reachability deter...
Patent number
9,319,132
Issue date
Apr 19, 2016
Fujitsu Limited
Shigeru Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission quality determination method, transmission path select...
Patent number
8,891,958
Issue date
Nov 18, 2014
Fujitsu Limited
Takehiro Fujita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus and optical attenuation amount contr...
Patent number
8,554,070
Issue date
Oct 8, 2013
Fujitsu Limited
Taichi Ueki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION DEVICE AND OPTICAL WAV...
Publication number
20230239050
Publication date
Jul 27, 2023
Fujitsu Limited
Shigeru ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SWITCHING DEVICE, OPTICAL SWITCHING SYSTEM, AND METHOD OF O...
Publication number
20230199350
Publication date
Jun 22, 2023
Fujitsu Limited
Tatsuya TSUZUKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION APPARATUS AND OPTICAL...
Publication number
20190312641
Publication date
Oct 10, 2019
Fujitsu Limited
Shigeru ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING APPARATUS, WAVELENGTH DEFRAGMENTATION METHOD...
Publication number
20170230113
Publication date
Aug 10, 2017
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, NODE APPARATUS, AND REACHABILITY DETER...
Publication number
20160211910
Publication date
Jul 21, 2016
Fujitsu Limited
Shigeru ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, NODE APPARATUS, AND REACHABILITY DETER...
Publication number
20140133849
Publication date
May 15, 2014
Fujitsu Limited
Shigeru ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL METHOD, OPTICAL TRANSMISSION DEVICE, AND CONTROL DEVICE FOR...
Publication number
20130251367
Publication date
Sep 26, 2013
Fujitsu Limited
Shigeru Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION QUALITY DETERMINATION METHOD, TRANSMISSION PATH SELECT...
Publication number
20120230680
Publication date
Sep 13, 2012
Fujitsu Limited
Takehiro Fujita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL ATTENUATION AMOUNT CONTR...
Publication number
20120230681
Publication date
Sep 13, 2012
Fujitsu Limited
Taichi UEKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication network and design method
Publication number
20100111536
Publication date
May 6, 2010
FUJITSU LIMITED
Shigeru Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE