TAIKI NEMA

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Patents Grantslast 30 patents

Information Patent Grant
Optical network system and method of changing encryption keys
- Patent number 8,280,055
- Issue date Oct 2, 2012
- Hitachi, Ltd.
- Taiki Nema
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
AD HOC NETWORK SYSTEM AND METER READING INFORMATION COLLECTING METHOD
- Publication number 20130235732
- Publication date Sep 12, 2013
- Hitachi, Ltd
- TAIKI NEMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM AND METHOD OF CHANGING ENCRYPTION KEYS
- Publication number 20100202612
- Publication date Aug 12, 2010
- Taiki Nema
- H04 - ELECTRIC COMMUNICATION TECHNIQUE