P

Inventor

AMANO MASATOSHI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “AMANO MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISHIHARA MINING & CHEMICAL CO

3 patents
US4414245ANov 8, 1983

Process for producing cobalt containing ferromagnetic iron oxides

ISHIHARA MINING & CHEMICAL CO9 citations70
US4594267AJun 10, 1986

Process for producing cobalt-containing magnetic iron oxide powder

ISHIHARA MINING & CHEMICAL CO4 citations59
US4486467ADec 4, 1984

Process for producing cobalt-containing magnetic iron oxide powder

ISHIHARA MINING & CHEMICAL CO3 citations59

ISHIHARA SANGYO KAISHA

1 patent
US4551327ANov 5, 1985

Process for producing cobalt-and ferrous iron-containing ferromagnetic iron oxides

ISHIHARA SANGYO KAISHA4 citations59