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Hiroshi Kodaka
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Chigasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Telephony system
Patent number
8,837,461
Issue date
Sep 16, 2014
Hitachi, Ltd.
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
IP telecommunication system, method for controlling communication i...
Patent number
8,625,583
Issue date
Jan 7, 2014
Hitachi, Ltd.
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network system and server
Patent number
8,605,731
Issue date
Dec 10, 2013
Hitachi, Ltd.
Yasusi Kanada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer system and management computer for identifying seat position
Patent number
8,055,764
Issue date
Nov 8, 2011
Hitachi, Ltd.
Mikio Kataoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thin client system
Patent number
7,882,172
Issue date
Feb 1, 2011
Hitachi, Ltd.
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless IP telephone system
Patent number
7,778,222
Issue date
Aug 17, 2010
Hitachi, Ltd.
Go Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
IP telecommunication system, method for controlling communication i...
Patent number
7,773,583
Issue date
Aug 10, 2010
Hitachi, Ltd.
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
IP phone system and IP phone terminal registration method
Patent number
7,729,343
Issue date
Jun 1, 2010
Hitachi, Ltd.
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for file operation
Patent number
5,283,892
Issue date
Feb 1, 1994
Hitachi, Ltd.
Keiichi Nakane
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
IP TELECOMMUNICATION SYSTEM, METHOD FOR CONTROLLING COMMUNICATION I...
Publication number
20110103375
Publication date
May 5, 2011
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP TELECOMMUNICATION SYSTEM, METHOD FOR CONTROLLING COMMUNICATION I...
Publication number
20100322234
Publication date
Dec 23, 2010
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BUDDY LIST GENERATION METHOD
Publication number
20100274842
Publication date
Oct 28, 2010
Hitachi, Ltd.
Hiroshi KODAKA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IP PHONE SYSTEM AND IP PHONE TERMINAL REGISTRATION METHOD
Publication number
20100232423
Publication date
Sep 16, 2010
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TELEPHONY SYSTEM
Publication number
20090185553
Publication date
Jul 23, 2009
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP TELECOMMUNICATION SYSTEM, METHOD FOR CONTROLLING COMMUNICATION I...
Publication number
20090115839
Publication date
May 7, 2009
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CALL MANAGEMENT SYSTEM, CALL MANAGEMENT METHOD, MANAGEMENT SERVER,...
Publication number
20090063626
Publication date
Mar 5, 2009
Kazushi Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP EXTENSION PHONE SYSTEM AND SERVER SYSTEM
Publication number
20080198840
Publication date
Aug 21, 2008
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Computer system and management computer for identifying seat position
Publication number
20080134301
Publication date
Jun 5, 2008
Hitachi, Ltd.
Mikio Kataoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK SYSTEM AND SERVER
Publication number
20070286208
Publication date
Dec 13, 2007
Yasusi Kanada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP TELEPHONE SYSTEM AND TELEPHONING METHOD
Publication number
20070286178
Publication date
Dec 13, 2007
Hiroyuki Kakiuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP PHONE SYSTEM AND IP PHONE TERMINAL REGISTRATION METHOD
Publication number
20070274308
Publication date
Nov 29, 2007
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Thin Client System
Publication number
20070268824
Publication date
Nov 22, 2007
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication control unit
Publication number
20070153773
Publication date
Jul 5, 2007
Tatsuhiko Miyata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Proxy response terminal and system
Publication number
20070140444
Publication date
Jun 21, 2007
HITACH, LTD
Kazuma Yumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless IP telephone system
Publication number
20060271664
Publication date
Nov 30, 2006
Go Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP telecommunication system, method for controlling communication i...
Publication number
20060182092
Publication date
Aug 17, 2006
Hiroshi Kodaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE