Kazue Okazaki

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical cross connect unit, optical add-drop multiplexer, light sou...
- Patent number 6,545,784
- Issue date Apr 8, 2003
- Fujitsu Limited
- Kazue Okazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength multiplex transmission method and optical disper...
- Patent number 6,417,945
- Issue date Jul 9, 2002
- Fujitsu Limited
- George Ishikawa
- G02 - OPTICS
Information Patent Grant
Optical wavelength selective control apparatus
- Patent number 6,411,411
- Issue date Jun 25, 2002
- Fujitsu Limited
- Kazue Okazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength multiplex transmission method and optical disper...
- Patent number 6,384,943
- Issue date May 7, 2002
- Fujitsu Limited
- George Ishikawa
- G02 - OPTICS
Information Patent Grant
Optical cross connect unit, optical add-drop multiplexer, light sou...
- Patent number 6,285,479
- Issue date Sep 4, 2001
- Fujitsu Limited
- Kazue Okazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength multiplex transmission method and optical disper...
- Patent number 6,252,688
- Issue date Jun 26, 2001
- Fujitsu Limited
- George Ishikawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical cross connect unit, optical add-drop multiplexer, light sou...
- Publication number 20020030869
- Publication date Mar 14, 2002
- Kazue Okazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical wavelength multiplex transmission method and optical disper...
- Publication number 20010028489
- Publication date Oct 11, 2001
- George Ishikawa
- G02 - OPTICS
Information Patent Application
Optical wavelength multiplex transmission method and optical disper...
- Publication number 20010022676
- Publication date Sep 20, 2001
- George Ishikawa
- G02 - OPTICS