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USPTO Patent Rankings Data through Sept 30, 2025
TT

Takuma Tsukuda

HIHitachi: 1 patents #961 of 2,733Top 40%
Overall (2011): #151,036 of 364,097Top 45%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8023374 Optical disc recording and reproduction device and an optical disc recording and reproduction method 2011-09-20