YUKAKO NAKAYAMA

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Patents Grantslast 30 patents

Information Patent Grant
Billing system, billing-information generation apparatus, billing-i...
- Patent number 8,503,977
- Issue date Aug 6, 2013
- NEC Corporation
- Yukako Nakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BILLING SYSTEM, BILLING-INFORMATION GENERATION APPARATUS, BILLING-I...
- Publication number 20100087163
- Publication date Apr 8, 2010
- YUKAKO NAKAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE