Inventor
OKAMURA TOMOYOSHI
JP7 patents
Patents
7 patentsUS6290458B1Sep 18, 2001
Turbo machines
HITACHI LTD56 citations95
US6582189B2Jun 24, 2003
Turbo machines
HITACHI LTD28 citations92
US6435819B2Aug 20, 2002
Turbo machines
HITACHI LTD20 citations92
US6736594B2May 18, 2004
Axial-flow type hydraulic machine
HITACHI LTD28 citations90
US6540482B2Apr 1, 2003
Turbo-type machines
HITACHI LTD9 citations73
US6302643B1Oct 16, 2001
Turbo machines
HITACHI LTD13 citations71
US6514034B2Feb 4, 2003
Pump
HITACHI LTD5 citations60