Katsunobu Otsuki

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Yokohama-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
SIP server, terminal device, subscriber information management devi...
- Publication number 20070019572
- Publication date Jan 25, 2007
- NTT DoCoMo, Inc.
- Naomasa Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication system and service control device
- Publication number 20060034203
- Publication date Feb 16, 2006
- NTT DoCoMo, Inc.
- Kazuyuki Kozu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE