Hiroaki Nakazato

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical add/drop multiplexer
- Patent number 8,098,988
- Issue date Jan 17, 2012
- Fujitsu Limited
- Hiroaki Nakazato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delivery method and delivery system of contents information, and ce...
- Patent number 7,616,892
- Issue date Nov 10, 2009
- Fujitsu Limited
- Yasuo Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical attenuation device having different type magneto-optical op...
- Patent number 6,345,142
- Issue date Feb 5, 2002
- Fujitsu Limited
- Hiroaki Nakazato
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical add/drop multiplexer
- Publication number 20090297149
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Hiroaki Nakazato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Delivery method and delivery system of contents information, and ce...
- Publication number 20050259541
- Publication date Nov 24, 2005
- Yasuo Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE