KDDI Submarine Cable Systems Inc.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical wavelength division multiplexing device
- Patent number 7,236,703
- Issue date Jun 26, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Shigeo Yamanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for upgrading an optical transmission system and an optical...
- Patent number 7,177,540
- Issue date Feb 13, 2007
- KDDI Submarine Cable Systems Inc.
- Takanori Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeating system and optical amplifying repeater control me...
- Patent number 7,158,728
- Issue date Jan 2, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Yasunori Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeating system and optical amplifying repeater control me...
- Patent number 7,130,544
- Issue date Oct 31, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Yasunori Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gain profile measuring method and system and gain profile controlli...
- Patent number 7,009,693
- Issue date Mar 7, 2006
- KDDI Submarine Cable Systems Inc.
- Kiyoaki Takashina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeating system and optical amplifying repeater control me...
- Patent number 6,914,718
- Issue date Jul 5, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Yasunori Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber transmission line
- Patent number 6,754,420
- Issue date Jun 22, 2004
- KDDI Submarine Cable Systems Inc.
- Takehiro Tsuritani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensator
- Patent number 6,731,836
- Issue date May 4, 2004
- KDDI Submarine Cable Systems, Inc.
- Hidenori Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for manufacturing optical fiber cable with optical fibers wh...
- Patent number 6,584,255
- Issue date Jun 24, 2003
- KDDI Submarine Cable Systems Inc.
- Hidenori Taga
- G02 - OPTICS
Information Patent Grant
Feed line switching circuit and branching unit
- Patent number 6,563,236
- Issue date May 13, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Satoshi Kumayasu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Underwater repeater employing rare earth element doped fiber amplif...
- Publication number 20050226622
- Publication date Oct 13, 2005
- KDDI Submarine Cable Systems Inc.
- Patrick R. Trischitta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

KDDI Submarine Cable Systems Inc.

Organization

Patents Grantslast 30 patents

Optical wavelength division multiplexing device

Method for upgrading an optical transmission system and an optical...

Optical repeating system and optical amplifying repeater control me...

Optical repeating system and optical amplifying repeater control me...

Gain profile measuring method and system and gain profile controlli...

Optical repeating system and optical amplifying repeater control me...

Optical fiber transmission line

Dispersion compensator

Method for manufacturing optical fiber cable with optical fibers wh...

Feed line switching circuit and branching unit

Patents Applicationslast 30 patents

Underwater repeater employing rare earth element doped fiber amplif...

Trademarklast 30 trademarks