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Akira Date

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Overall (2002): #260,163 of 266,432Top 100%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6493504 Storage medium, recording apparatus, playback apparatus, recording method, and computer-readable storage medium Masahiro Kageyama, Tamotsu Ito 2002-12-10