Ryogo KUBO

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Yokosuka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical line terminal and optical network unit
- Patent number 9,680,595
- Issue date Jun 13, 2017
- Nippon Telegraph and Telephone Corporation
- Ryogo Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical line terminal and optical network unit
- Patent number 9,596,046
- Issue date Mar 14, 2017
- Nippon Telegraph and Telephone Corporation
- Ryogo Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical line terminal and optical network unit
- Patent number 8,929,737
- Issue date Jan 6, 2015
- Nippon Telegraph and Telephone Corporation
- Ryogo Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network unit
- Patent number 8,340,520
- Issue date Dec 25, 2012
- Nippon Telegraph and Telephone Corporation
- Junichi Kani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL LINE TERMINAL AND OPTICAL NETWORK UNIT
- Publication number 20130259468
- Publication date Oct 3, 2013
- Nippon Telegraph and Telephone Corporation
- Ryogo KUBO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LINE TERMINAL AND OPTICAL NETWORK UNIT
- Publication number 20130202302
- Publication date Aug 8, 2013
- Nippon Telegraph and Telephone Corporation
- Ryogo KUBO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LINE TERMINAL AND OPTICAL NETWORK UNIT
- Publication number 20110318008
- Publication date Dec 29, 2011
- Ryogo Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK UNIT
- Publication number 20100239247
- Publication date Sep 23, 2010
- Nippon Telegraph and Telephone Corporation
- Junichi Kani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE