Communication system and its method and communication apparatus and its method | Patent Publication Number 20040223245
US 20040223245 A1Patent NumberUS 07720929 B2
Application Number10864132
Filled DateJun 9, 2004
Priority DateSep 20, 2000
Publication DateNov 11, 2004
Original AssigneeSony Group Corporation
Current AssigneeData Scape Limited
Inventor/ApplicantsAkihiro Morohashi
Akihiro Morohashi
Akihiro Morohashi
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