Tsutomu Koike

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Line relaying device, TDM line detour system, and TDM line detour c...
- Patent number 9,407,553
- Issue date Aug 2, 2016
- NEC Corporation
- Tsutomu Koike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LINE RELAYING DEVICE, TDM LINE DETOUR SYSTEM, AND TDM LINE DETOUR C...
- Publication number 20140313896
- Publication date Oct 23, 2014
- NEC Corporation
- Tsutomu Koike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE