Inventor
YOSHIKAWA TSUGIO
JP4 patents
Patents
4 patentsUS5601411AFeb 11, 1997
Stainless steel type 13Cr5Ni having high toughness, and usage the same
HITACHI LTD21 citations90
US5035579AJul 30, 1991
Water-turbine runner and process for manufacturing the same
HITACHI LTD40 citations88
US5879132AMar 9, 1999
Stainless steel type 13Cr5Ni having high toughness, and usage of the same
HITACHI LTD8 citations71
US4040766AAug 9, 1977
Gate protecting device for hydraulic machines
HITACHI LTD11 citations64