NU

Nobuhiko Umezu

SO Sony: 1 patents #749 of 2,293Top 35%
Overall (2003): #147,768 of 273,478Top 55%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6537637 Multilayer optical disk Masahiko Kaneko, Katsuhisa Aratani, Ariyoshi Nakaoki 2003-03-25