Membership
Tour
Register
Log in
Masao NIIBE
Follow
Person
Fujisawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Passive optical network system
Patent number
8,824,894
Issue date
Sep 2, 2014
Hitachi, Ltd.
Masao Niibe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network system
Patent number
8,391,715
Issue date
Mar 5, 2013
Hitachi, Ltd.
Masao Niibe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network system and optical line terminator
Patent number
8,184,975
Issue date
May 22, 2012
Hitachi, Ltd.
Masao Niibe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network system, optical line terminator and optical...
Patent number
8,145,055
Issue date
Mar 27, 2012
Hitachi, Ltd.
Masao Niibe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network system, optical line terminator and, commun...
Patent number
8,139,950
Issue date
Mar 20, 2012
Hitachi, Ltd.
Masao Niibe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MONITORING CONNECTIVITY BY MEANS OF SUBSCRIBER TERMINAL...
Publication number
20140098676
Publication date
Apr 10, 2014
Hitachi, Ltd
Akihiko Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION INTERRUPTION TIME REDUCTION METHOD IN A PACKET COMMUN...
Publication number
20140050078
Publication date
Feb 20, 2014
Hitachi, Ltd
Aya SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD OF CONNECTIVITY MONITORING BY SUBSCRIBER LINE TERMINATING AP...
Publication number
20120224488
Publication date
Sep 6, 2012
Masao NIIBE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL NETWORK AND SUBSCRIBER LINE TERMINAL
Publication number
20120087662
Publication date
Apr 12, 2012
Hitachi, Ltd.
Katsuyoshi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL NETWORK SYSTEM
Publication number
20120063774
Publication date
Mar 15, 2012
Hitachi, Ltd
Masao NIIBE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL NETWORK SYSTEM
Publication number
20110243554
Publication date
Oct 6, 2011
Hitachi, Ltd.
MASAO NIIBE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL NETWORK SYSTEM AND OPTICAL LINE TERMINATOR
Publication number
20100067913
Publication date
Mar 18, 2010
Masao Niibe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL NETWORK SYSTEM, OPTICAL LINE TERMINATOR AND OPTICAL...
Publication number
20100034534
Publication date
Feb 11, 2010
Hitachi Communications Technologies, Ltd.
Masao NIIBE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL NETWORK SYSTEM, OPTICAL LINE TERMINATOR AND, COMMUN...
Publication number
20090202242
Publication date
Aug 13, 2009
Masao NIIBE
H04 - ELECTRIC COMMUNICATION TECHNIQUE