SF

Sachio Fukuyama

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,035,111 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7051346 Disk drive apparatus having particular clamping device Kiyoshi Masaki, Kazuhiro Mihara, Shuichi Yoshida, Teruyuki Naka, Noriaki Urayama +3 more 2006-05-23
6741544 Disk drive apparatus Kiyoshi Masaki, Kazuhiro Mihara, Shuichi Yoshida, Teruyuki Naka, Noriaki Urayama +3 more 2004-05-25
6711116 Balanced disk drive apparatus Kiyoshi Masaki, Kazuhiro Mihara, Shuichi Yoshida, Noriaki Urayama, Masaaki Kikugawa 2004-03-23
6704271 Disk drive apparatus Kiyoshi Masaki, Kazuhiro Mihara, Shuichi Yoshida, Noriaki Urayama, Masaaki Kikugawa 2004-03-09
6507555 Balanced disk drive apparatus Kiyoshi Masaki, Kazuhiro Mihara, Shuichi Yoshida, Noriaki Urayama, Masaaki Kikugawa 2003-01-14