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Sumie Nakabayashi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
QoS control method for transmission data for radio transmitter and...
Patent number
7,715,468
Issue date
May 11, 2010
Hitachi Kokusai Electric, Inc.
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Node management system and node managing program using sensing system
Patent number
7,710,455
Issue date
May 4, 2010
Hitachi Kokusai Electric Inc.
Koji Aramaki
G08 - SIGNALLING
Information
Patent Grant
System and method for communicating encrypted data
Patent number
7,668,314
Issue date
Feb 23, 2010
Hitachi Kokusai Electric, Inc.
Munemitsu Kuwabara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encryption method, encryption apparatus, data storage distribution...
Patent number
7,636,439
Issue date
Dec 22, 2009
Hitachi Kokusai Electric, Inc.
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless packet transfer apparatus and method
Patent number
7,301,928
Issue date
Nov 27, 2007
Hitachi Kokusai Electric Inc.
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
QoS control method for transmission data for radio transmitter and...
Patent number
7,274,730
Issue date
Sep 25, 2007
Hitachi Kokusai Electric Inc.
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Similar image retrieval system and similar image retrieval method
Publication number
20110096994
Publication date
Apr 28, 2011
Hitachi Kokusai Electric Inc.
Seiichi Hirai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image search apparatus
Publication number
20110052069
Publication date
Mar 3, 2011
Hitachi Kokusai Electric Inc.
Sumie Nakabayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SIGNATURE DEVICE, VERIFICATION DEVICE, PROGRAM, SIGNATURE METHOD, V...
Publication number
20090199010
Publication date
Aug 6, 2009
Hitachi Kokusai Electric Inc.
Keisuke HAKUTA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video distribution system
Publication number
20070297607
Publication date
Dec 27, 2007
Shinya Ogura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
QoS control method for transmission data for radio transmitter and...
Publication number
20070153921
Publication date
Jul 5, 2007
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Node management system and node managing program using sensing system
Publication number
20070101382
Publication date
May 3, 2007
Hitachi Kokusai Electric Inc.
Koji Aramaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for communicating encrypted data
Publication number
20060222178
Publication date
Oct 5, 2006
Munemitsu Kuwabara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Encryption method, encryption apparatus, data storage distribution...
Publication number
20060056625
Publication date
Mar 16, 2006
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless packet transfer apparatus and method
Publication number
20050276259
Publication date
Dec 15, 2005
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
QoS control method for transmission data for radio transmitter and...
Publication number
20040038685
Publication date
Feb 26, 2004
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for forwarding packets by connecting network segments throug...
Publication number
20030112810
Publication date
Jun 19, 2003
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication method and apparatus capable of changing transm...
Publication number
20020181637
Publication date
Dec 5, 2002
Sumie Nakabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE