Cellular telephone | Patent Publication Number 20020132587

US 20020132587 A1
Patent NumberUS 06973334 B2
Application Number10142051
Filled DateMay 10, 2002
Priority DateNov 9, 1999
Publication DateSep 19, 2002
Original AssigneeHitachi Ltd.
Current AssigneeMaxell Ltd.
Inventor/ApplicantsMakoto Katagishi
Shirou Machida
Makoto Katagishi
Shirou Machida
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