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Hiroshi Ichibangase
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical multi-branch communication system
Patent number
7,496,294
Issue date
Feb 24, 2009
Mitsubishi Denki Kabushiki Kaisha
Michiya Takemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplexer
Patent number
7,340,182
Issue date
Mar 4, 2008
Mitsubishi Denki Kabushiki Kaisha
Aritomo Uemura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light burst transmission/reception control system, parent station d...
Patent number
7,139,487
Issue date
Nov 21, 2006
Mitsubishi Denki Kabushiki Kaisha
Seiji Kozaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system, fec multiplexer, fec multiplexer/separ...
Patent number
7,043,162
Issue date
May 9, 2006
Mitsubishi Denki Kabushiki Kaisha
Kazuo Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical distribution network system with large usable bandwidth for...
Patent number
7,020,162
Issue date
Mar 28, 2006
Mitsubishi Denki Kabushiki Kaisha
Mitsuyoshi Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transmission and reception system, data transmitter and data r...
Patent number
6,959,011
Issue date
Oct 25, 2005
Mitsubishi Denki Kabushiki Kaisha
Koichi Takizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplexing system and multiplexing method of tributary signals
Patent number
6,870,859
Issue date
Mar 22, 2005
KDD Corporation
Seiji Kozaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
FEC frame structuring method and FEC multiplexer
Patent number
6,868,514
Issue date
Mar 15, 2005
Mitsubishi Denki Kabushiki Kaisha
Kazuo Kubo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Optical signal quality supervisory device
Patent number
6,801,720
Issue date
Oct 5, 2004
Mitsubishi Denki Kabushiki Kaisha
Takashi Mizuochi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical switching system
Patent number
6,434,288
Issue date
Aug 13, 2002
KDD Corporation
Aritomo Uemura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplex digital communication system for transmitting channel ide...
Patent number
5,400,163
Issue date
Mar 21, 1995
Mitsubishi Denki Kabushiki Kaisha
Takashi Mizuochi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame alignment circuit
Patent number
5,287,389
Issue date
Feb 15, 1994
Mitsubishi Denki Kabushiki Kaisha
Hiroshi Ichibangase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Multiplexer
Publication number
20040131089
Publication date
Jul 8, 2004
Aritomo Uemura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical multi-branch communication system
Publication number
20030002114
Publication date
Jan 2, 2003
Michiya Takemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Fec frame structuring method and fec multiplexer
Publication number
20020129313
Publication date
Sep 12, 2002
Kazuo Kubo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Light burst transmission/reception control system, parent station d...
Publication number
20020114043
Publication date
Aug 22, 2002
Seiji Kozaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical multiple branching communicate system, parent station devic...
Publication number
20020114042
Publication date
Aug 22, 2002
Hiroshi Ichibangase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Redundant optical multiple-branch communication system
Publication number
20020105691
Publication date
Aug 8, 2002
Hiroshi Ichibangase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical distribution network system that performs system switching...
Publication number
20020030865
Publication date
Mar 14, 2002
Mitsubishi Denki Kabushiki Kaisha
Ryusuke Kawate
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical distribution network system with large usable bandwidth for...
Publication number
20020027682
Publication date
Mar 7, 2002
Mitsubishi Denki Kabushiki Kaisha
Mitsuyoshi Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data transmission and reception system, data transmitter and data r...
Publication number
20010021203
Publication date
Sep 13, 2001
Koichi Takizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE