Inventor

HATAI YASUO

JP5 patents

⚠️ This page may combine multiple inventors who share the name “HATAI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAWASAKI STEEL CO

2 patents

US6514307B2Feb 4, 2003

Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density

KAWASAKI STEEL CO10 citations71

US6905530B2Jun 14, 2005

Metallic powder-molded body, re-compacted body of the molded body, sintered body produced from the re-compacted body, and processes for production thereof

KAWASAKI STEEL CO2 citations61

JFE STEEL CORP

1 patent

US6696014B2Feb 24, 2004

Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density

JFE STEEL CORP20 citations90

UNISIA JECS CORP

1 patent

US6503443B1Jan 7, 2003

Metallic powder molding material and its re-compression molded body and sintered body obtained from the re-compression molded body and production methods thereof

UNISIA JECS CORP3 citations61

UNISA JECS CORP

1 patent

US6454991B1Sep 24, 2002

Method of forging raw material for sintering and forging

UNISA JECS CORP3 citations59