KU

Kouji Umezawa

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #4,006,413 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4628498 Disc loading apparatus for use in a disc player Ryoji Takamatsu, Tsutomu Toyoguchi 1986-12-09