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Kimio Uekama
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Patents Grants
last 30 patents
Information
Patent Grant
Optical packet switching system, optical packet switching device, a...
Patent number
8,886,039
Issue date
Nov 11, 2014
Fujitsu Telecom Networks Limited
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical packet switching system and optical packet transmitter device
Patent number
8,879,910
Issue date
Nov 4, 2014
Fujitsu Telecom Networks Limited
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical packet switching system and optical packet switching device
Patent number
8,837,941
Issue date
Sep 16, 2014
Fujitsu Telecom Networks Limited
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system
Patent number
8,422,888
Issue date
Apr 16, 2013
Fujitsu Telecom Networks Limited
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
WDM system
Patent number
7,689,131
Issue date
Mar 30, 2010
Fujitsu Limited
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light wavelength-multiplexing systems
Patent number
6,919,987
Issue date
Jul 19, 2005
Fujitsu Limited
Kazuo Takatsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Light wavelength-multiplexing systems
Patent number
6,441,955
Issue date
Aug 27, 2002
Fujitsu Limited
Kazuo Takatsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Line setting and phase adjusting apparatus for synchronous multiple...
Patent number
5,517,493
Issue date
May 14, 1996
Fujitsu Limited
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Order wire device having function for reducing noise in communicati...
Patent number
5,347,565
Issue date
Sep 13, 1994
Fujitsu Limited
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL PACKET SWITCHING SYSTEM, OPTICAL PACKET SWITCHING DEVICE, A...
Publication number
20120201537
Publication date
Aug 9, 2012
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PACKET SWITCHING SYSTEM AND OPTICAL PACKET TRANSMITTER DEVICE
Publication number
20120201538
Publication date
Aug 9, 2012
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PACKET SWITCHING SYSTEM AND OPTICAL PACKET SWITCHING DEVICE
Publication number
20120201540
Publication date
Aug 9, 2012
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM
Publication number
20110103804
Publication date
May 5, 2011
FUJITSU TELECOM NETWORKS LIMITED
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wdm system
Publication number
20060285846
Publication date
Dec 21, 2006
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength division multiplexing transmission system
Publication number
20030179783
Publication date
Sep 25, 2003
FUJITSU LIMITED
Kimio Uekama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light wavelength-multiplexing systems
Publication number
20030025965
Publication date
Feb 6, 2003
FUJITSU LIMITED
Kazuo Takatsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LIGHT WAVELENGTH-MULTIPLEXING SYSTEMS
Publication number
20020051284
Publication date
May 2, 2002
KAZUO TAKATSU
G06 - COMPUTING CALCULATING COUNTING