RO

Ryoichi Ohkura

SC S.E.S. Co.: 5 patents #1 of 24Top 5%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #875,324 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7029538 Single wafer type substrate cleaning method and apparatus Yuji Ono 2006-04-18
6807974 Single wafer type substrate cleaning method and apparatus Yuji Ono 2004-10-26
6792959 Single wafer type cleaning method and apparatus Yuji Ono 2004-09-21
6763839 Substrate cleaning system Yuji Ono, Hiroshi Yamaguchi, Miyuki Takaishi, Hideo Kamikochi 2004-07-20
6752877 Single wafer type cleaning method and apparatus Yuji Ono 2004-06-22
5423377 Condenser for a steam turbine and a method of operating such a condenser Kazuya Iwata, Yoosyun Horibe, Yoshio Sumiya 1995-06-13