Keiichiro Otsuka

Follow

Person

Kanagawa, JP

People

Patents Applicationslast 30 patents

Information Patent Application
ROAMING SYSTEM, HLR, AND PACKET COMMUNICATION RESTRICTING METHOD
- Publication number 20120082086
- Publication date Apr 5, 2012
- Keiichiro Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE