Inventor
MASUGATA YOSHIKI
JP3 patents
Patents
3 patentsUS6221183B1Apr 24, 2001
High-strength and low-thermal-expansion alloy, wire of the alloy and method of manufacturing the alloy wire
HITACHI METALS LTD17 citations80
US6527879B2Mar 4, 2003
Self-lubricating piston ring material for internal combustion engine and piston ring
HITACHI METALS LTD9 citations70
US6901782B2Jun 7, 2005
Method and apparatus for forming a modified a cross-section wire material
HITACHI METALS LTD3 citations57