KO

Katsuichi Osakabe

Yamaha: 1 patents #40 of 166Top 25%
Overall (2003): #183,900 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6541186 Method of manufacturing an optical disk having areas of different recording densities or functions Nobuyuki Sato 2003-04-01