Ritsu Kusaba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Station-side apparatus and frame transfer apparatus
- Patent number 9,178,616
- Issue date Nov 3, 2015
- Nippon Telegraph and Telephone Corporation
- Tomoaki Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
OLT and frame transfer control method
- Patent number 9,112,772
- Issue date Aug 18, 2015
- Nippon Telegraph and Telephone Corporation
- Tomoaki Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL LINE TERMINAL AND FRAME TRANSFER METHOD
- Publication number 20150171965
- Publication date Jun 18, 2015
- Nippon Telegraph and Telephone Corporation
- Shoko Ohteru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OLT AND FRAME TRANSFER CONTROL METHOD
- Publication number 20140112659
- Publication date Apr 24, 2014
- Tomoaki KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STATION-SIDE APPARATUS AND FRAME TRANSFER APPARATUS
- Publication number 20140105602
- Publication date Apr 17, 2014
- Nippon Telegraph and Telephone Corporation
- Tomoaki Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE