Inventor

YAMAMOTO HIDEJI

JP3 patents

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

SAKAI CHEMICAL INDUSTRY CO

2 patents

US4414196ANov 8, 1983

Method of producing single crystalline, acicular α-ferric oxide

SAKAI CHEMICAL INDUSTRY CO41 citations90

US5569445AOct 29, 1996

Fine acicular α-ferric oxide and production thereof

SAKAI CHEMICAL INDUSTRY CO9 citations66

HITACHI LTD

1 patent

US4664767AMay 12, 1987

Plasma treating method and apparatus therefor

HITACHI LTD8 citations69