Membership
Tour
Register
Log in
Shuji Maeda
Follow
Person
Yokohama-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Communication network system, path calculation device, and communic...
Patent number
8,340,104
Issue date
Dec 25, 2012
Hitachi, Ltd.
Kazuhiro Kusama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication network system that establishes communication path by...
Patent number
8,233,487
Issue date
Jul 31, 2012
Hitachi, Ltd.
Kazuhiro Kusama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication path monitoring system and communication network system
Patent number
7,995,572
Issue date
Aug 9, 2011
Hitachi, Ltd.
Kazuhiro Kusama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pattern inspecting method and apparatus thereof, and pattern inspec...
Patent number
7,263,216
Issue date
Aug 28, 2007
Hitachi, Ltd.
Chie Shishido
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pattern inspecting method and apparatus thereof, and pattern inspec...
Patent number
6,614,923
Issue date
Sep 2, 2003
Hitachi, Ltd.
Chie Shishido
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION NETWORK SYSTEM, PATH CALCULATION DEVICE, AND COMMUNIC...
Publication number
20130121338
Publication date
May 16, 2013
Hitachi, Ltd
Kazuhiro KUSAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL ADD/DROP MULTIPLEXING SYSTEM, OPTICAL ADD/DROP MULTIPLEXER...
Publication number
20100150551
Publication date
Jun 17, 2010
Hitachi, Ltd.
Keiji YAMAHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION NETWORK SYSTEM, PATH CALCULATION DEVICE, AND COMMUNIC...
Publication number
20100034205
Publication date
Feb 11, 2010
Hitachi Communication Technologies, Ltd.
Kazuhiro KUSAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION NETWORK SYSTEM
Publication number
20080240120
Publication date
Oct 2, 2008
Kazuhiro Kusama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication path monitoring system and communication network system
Publication number
20060256711
Publication date
Nov 16, 2006
Kazuhiro Kusama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Pattern inspecting method and apparatus thereof, and pattern inspec...
Publication number
20040086170
Publication date
May 6, 2004
Chie Shishido
G06 - COMPUTING CALCULATING COUNTING