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Sumio Ashida

KT Kabushiki Kaisha Toshiba: 1 patents #624 of 1,928Top 35%
Overall (2003): #112,932 of 273,478Top 45%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6554972 Information recording medium and its manufacturing method Katsutaro Ichihara, Keiichiro Yusu, Toshihiko Nagase, Naomasa Nakamura 2003-04-29