KK

Kazuya Koseki

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,467,674 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6680817 Recording medium device containing recording medium and recording/reproducing device Yasuaki Kano, Kazuyuki Hirooka, Takao Hiramoto, Masahiro Kiyota, Yoshihisa Takayama +1 more 2004-01-20