KDD Submarine Cable Systems Inc.

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Tokyo, JP

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Patents Grantslast 30 patents

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
Optical amplifier having various control circuitry
- Patent number 6,867,908
- Issue date Mar 15, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Aritomo Uemura
- 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 receiving apparatus and method
- Patent number 6,856,771
- Issue date Feb 15, 2005
- KDD Submarine Cable Systems, Inc.
- Hidenori Taga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Supervisory system of optical amplifier repeater system and supervi...
- Patent number 6,804,469
- Issue date Oct 12, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yasunori Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Four fiber ring network optical switching circuit using branched in...
- Patent number 6,782,201
- Issue date Aug 24, 2004
- DDI Corporation
- Shu Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM convert...
- Patent number 6,775,478
- Issue date Aug 10, 2004
- DDI Corporation
- Masatoshi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, optical transmission line and optical...
- Patent number 6,768,872
- Issue date Jul 27, 2004
- KDD Corporation
- Takehiro Tsuritani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission line
- Patent number 6,748,178
- Issue date Jun 8, 2004
- DDI Corporation
- Takayuki Miyakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, its method, and optical amplification...
- Patent number 6,744,989
- Issue date Jun 1, 2004
- KDDI Corporation
- Takehiro Tsuritani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
WDM optical transmission system and an optical transmission line th...
- Patent number 6,744,990
- Issue date Jun 1, 2004
- KDD Corporation
- Masatoshi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal demultiplexing device and signal routing device in high spee...
- Patent number 6,741,810
- Issue date May 25, 2004
- DDI Corporation
- Tomohiro Otani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical gate and optical phase modulator
- Patent number 6,728,019
- Issue date Apr 27, 2004
- KDD Submarine Cable Systems Inc.
- Masashi Usami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pumping light generator and fiber Raman amplifier
- Patent number 6,728,437
- Issue date Apr 27, 2004
- KDD Submarine Cable Systems Inc.
- Noboru Edagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and method for measuring optical characteristics and reco...
- Patent number 6,654,104
- Issue date Nov 25, 2003
- Advantest Corporation
- Eiji Kimura
- G01 - MEASURING TESTING
Information Patent Grant
Optical multiplexer and demultiplexer
- Patent number 6,640,026
- Issue date Oct 28, 2003
- KDD Submarine Cable Systems Inc.
- Takehiro Tsuritani
- G02 - OPTICS
Information Patent Grant
Optical amplifier having various control circuitry
- Patent number 6,614,588
- Issue date Sep 2, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Aritomo Uemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Measuring system of transmission characteristics
- Patent number 6,594,003
- Issue date Jul 15, 2003
- KDD Corporation
- Yukio Horiuchi
- G01 - MEASURING TESTING
Information Patent Grant
Dispersion compensating optical transmission line and system
- Patent number 6,594,428
- Issue date Jul 15, 2003
- KDD Corporation
- Keiji Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeater monitoring system and a method thereof
- Patent number 6,556,325
- Issue date Apr 29, 2003
- KDD Corporation
- Yukio Horiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier
- Patent number 6,519,078
- Issue date Feb 11, 2003
- KDD Submarine Cable Systems, Inc.
- Takayuki Miyakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveform shaper
- Patent number 6,515,793
- Issue date Feb 4, 2003
- DDI Corporation
- Noboru Edagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting apparatus
- Patent number 6,459,518
- Issue date Oct 1, 2002
- KDD Corporation
- Masatoshi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for measuring optical characteristics and reco...
- Patent number 6,433,865
- Issue date Aug 13, 2002
- Advantest Corporation
- Eiji Kimura
- G01 - MEASURING TESTING
Information Patent Grant
Optical signal processor
- Patent number 6,377,388
- Issue date Apr 23, 2002
- DDI Corporation
- Haruhisa Sakata
- G02 - OPTICS
Information Patent Grant
Optical transmission system, optically branching apparatus and opti...
- Patent number 6,327,060
- Issue date Dec 4, 2001
- Kokusai Denshin Denwa Kabushiki-Kaisha
- Tomohiro Otani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control signal superimposer
- Patent number 6,188,508
- Issue date Feb 13, 2001
- KDD Corporation
- Yukio Horiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feed line connection circuit and optical transmission system
- Patent number 6,157,098
- Issue date Dec 5, 2000
- KDD Corporation
- Junichi Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for optical add/drop multiplexing using high spee...
- Patent number 5,920,413
- Issue date Jul 6, 1999
- Kokusai Denshin Denwa Kabushiki Kaisha
- Takayuki Miyakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength monitoring apparatus
- Patent number 5,898,502
- Issue date Apr 27, 1999
- Kokusai Denshin Denwa Kabushiki Kaisha
- Yukio Horiuchi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical receiving apparatus and method
- Publication number 20040165894
- Publication date Aug 26, 2004
- KDD SUBMARINE CABLE SYSTEMS INC.
- Hidenori Taga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiving apparatus and method
- Publication number 20040165895
- Publication date Aug 26, 2004
- KDD SUBMARINE CABLE SYSTEMS INC.
- Hidenori Taga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

KDD Submarine Cable Systems Inc.

Organization

Patents Grantslast 30 patents

Multiplexing system and multiplexing method of tributary signals

Optical amplifier having various control circuitry

FEC frame structuring method and FEC multiplexer

Optical receiving apparatus and method

Supervisory system of optical amplifier repeater system and supervi...

Four fiber ring network optical switching circuit using branched in...

Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM convert...

Optical transmission system, optical transmission line and optical...

Optical transmission line

Optical transmission system, its method, and optical amplification...

WDM optical transmission system and an optical transmission line th...

Signal demultiplexing device and signal routing device in high spee...

Optical gate and optical phase modulator

Pumping light generator and fiber Raman amplifier

Apparatus and method for measuring optical characteristics and reco...

Optical multiplexer and demultiplexer

Optical amplifier having various control circuitry

Measuring system of transmission characteristics

Dispersion compensating optical transmission line and system

Optical repeater monitoring system and a method thereof

Raman amplifier

Optical waveform shaper

Optical transmitting apparatus

Apparatus and method for measuring optical characteristics and reco...

Optical signal processor

Optical transmission system, optically branching apparatus and opti...

Control signal superimposer

Feed line connection circuit and optical transmission system

Method and device for optical add/drop multiplexing using high spee...

Optical wavelength monitoring apparatus

Patents Applicationslast 30 patents

Optical receiving apparatus and method

Optical receiving apparatus and method

Trademarklast 30 trademarks