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Taishi Shinagawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
IP broadcasting system and a multicast group management apparatus f...
Patent number
8,522,288
Issue date
Aug 27, 2013
Hitachi, Ltd.
Hiroki Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network system and operating method thereof
Patent number
8,184,976
Issue date
May 22, 2012
Hitachi, Ltd.
Tohru Kazawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet forwarding apparatus using token bucket algorithm and leaky...
Patent number
7,908,390
Issue date
Mar 15, 2011
Hitachi, Ltd.
Masayuki Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Shaping apparatus, communication node and flow control method for c...
Patent number
7,616,567
Issue date
Nov 10, 2009
Hitachi Communication Technologies, Ltd.
Taishi Shinagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Passive Optical Network System and Operating Method Thereof
Publication number
20100080558
Publication date
Apr 1, 2010
Tohru Kazawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet forwarding apparatus using token bucket algorithm and leaky...
Publication number
20090210553
Publication date
Aug 20, 2009
Hitachi Communication Technologies, Ltd.
Masayuki Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP BROADCASTING SYSTEM AND A MULTICAST GROUP MANAGEMENT APPARATUS F...
Publication number
20080155612
Publication date
Jun 26, 2008
Hiroki Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet forwarding apparatus using token bucket algorithm and leaky...
Publication number
20060268719
Publication date
Nov 30, 2006
Hitachi Communication Technologies, Ltd.
Masayuki Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Shaping apparatus, communication node and flow control method for c...
Publication number
20050259578
Publication date
Nov 24, 2005
Hitachi Communication Technologies, Ltd.
Taishi Shinagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE