Inventor

HIRAI NAOE

JP4 patents

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

CHEMIRITE LTD

2 patents

US5200159AApr 6, 1993

Purified solution containing iron and manganese, and method producing thereof

CHEMIRITE LTD5 citations67

US5032367AJul 16, 1991

Method for producing powdered iron oxide

CHEMIRITE LTD8 citations67

NIPPON STEEL CORP

1 patent

US4083763AApr 11, 1978

Method for manufacturing colored metal sheets

NIPPON STEEL CORP8 citations69

TDK CORP

1 patent

US5476605ADec 19, 1995

Mn-Zn ferrite

TDK CORP0 citations48