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Katsunori Yoshihara
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Koganei, JP
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last 30 patents
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Patent Grant
Multimedia data communication system
Patent number
6,751,212
Issue date
Jun 15, 2004
Kabushiki Kaisha Toshiba
Akemi Kaji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Multimedia information communication system
Patent number
6,643,291
Issue date
Nov 4, 2003
Kabushiki Kaisha Toshiba
Katsunori Yoshihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE