Inventor
MARUO MASATSUYO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “MARUO MASATSUYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISHIHARA MINING & CHEMICAL CO
4 patentsUS4539261ASep 3, 1985
Process for producing magnetic powder and product
ISHIHARA MINING & CHEMICAL CO16 citations72
US4275136AJun 23, 1981
Liquid developer for color electrophotography
ISHIHARA MINING & CHEMICAL CO10 citations72
US4144184AMar 13, 1979
Liquid developer
ISHIHARA MINING & CHEMICAL CO16 citations71
US5143542ASep 1, 1992
Process for producing magnetic metal powder for magnetic recording
ISHIHARA MINING & CHEMICAL CO3 citations60