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Wataru Chujo
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Koganei-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical signal transmission device
Patent number
7,228,073
Issue date
Jun 5, 2007
National Institute of Information and Communications Technology, Incorporated...
Jun Inoue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for routing optical packets using multiple wavelength labels...
Patent number
7,177,543
Issue date
Feb 13, 2007
National Institute of Information and Communications Technology
Naoya Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for transmitting high-frequency signals in opt...
Patent number
7,149,435
Issue date
Dec 12, 2006
National Institute of Information and Communications Technology
Toshiaki Kuri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for transmitting high-frequency signals in opt...
Patent number
7,006,772
Issue date
Feb 28, 2006
National Institute of Information and Communications Technology
Toshiaki Kuri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical signal noise reduction device and method of reducing optica...
Patent number
6,912,338
Issue date
Jun 28, 2005
National Institute of Information and Communications Technology
Hideyuki Sotobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for routing optical packets using multiple wavelength labels...
Patent number
6,876,817
Issue date
Apr 5, 2005
National Institute of Information and Communications Technology
Naoya Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for transmitting high-frequency signals in opt...
Publication number
20060104645
Publication date
May 18, 2006
National Inst. of Info. and Communications Tech.
Toshiaki Kuri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for routing optical packets using multiple wavelength labels...
Publication number
20050180750
Publication date
Aug 18, 2005
NATL. INSTITUTE OF INFO. AND COMMUNICATIONS TECH.
Naoya Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal transmission device
Publication number
20050008366
Publication date
Jan 13, 2005
Communications Research Laboratory, Independent Administrative Institution
Jun Inoue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal generating apparatus, method thereof, transmitting a...
Publication number
20030118346
Publication date
Jun 26, 2003
Communications Research Laboratory Independent Administrative Institution
Ken Umeno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal noise reduction device and method of reducing optica...
Publication number
20030081890
Publication date
May 1, 2003
Communications Research Laboratory, Independent Administrative Institution
Hideyuki Sotobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for routing optical packets using multiple wavelength labels...
Publication number
20020027686
Publication date
Mar 7, 2002
Communications Research Laboratory, Ministry of Public Management, Home Affai...
Naoya Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for transmitting high-frequency signals in opt...
Publication number
20010055137
Publication date
Dec 27, 2001
Communications Res. Lab., Independent Admin. Inst.
Toshiaki Kuri
H04 - ELECTRIC COMMUNICATION TECHNIQUE