P

Inventor

HIRAI MASAZUMI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI MASAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL CORP

3 patents
US4334921AJun 15, 1982

Converter steelmaking process

NIPPON STEEL CORP15 citations70
US4687047AAug 18, 1987

Continuous casting method

NIPPON STEEL CORP12 citations68
US4629504ADec 16, 1986

Steel materials for welded structures

NIPPON STEEL CORP9 citations68

RHEO TECHNOLOGY LTD

2 patents
US5144998ASep 8, 1992

Process for the production of semi-solidified metal composition

RHEO TECHNOLOGY LTD40 citations91
US5110547AMay 5, 1992

Process and apparatus for the production of semi-solidified metal composition

RHEO TECHNOLOGY LTD9 citations71