Naoko Ishibe

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Telephone exchange system, communication apparatus, telephone incom...
- Patent number 8,873,726
- Issue date Oct 28, 2014
- NEC Infrontia Corporation
- Naoko Ishibe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TELEPHONE EXCHANGE SYSTEM, COMMUNICATION APPARATUS, TELEPHONE INCOM...
- Publication number 20120213355
- Publication date Aug 23, 2012
- NEC INFRONTIA CORPORATION
- Naoko Ishibe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE