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Inventor
TERAOKA HITOMI
JP
2 patents
Patents
2 patents
US7746852B2
Jun 29, 2010
Packet data serving node and communication method using the same
HITACHI LTD
2 citations
55
US7983227B2
Jul 19, 2011
Communication terminal apparatus, communication connection apparatus, and communication method using them
HITACHI LTD
0 citations
34