Inventor
YOSHIDA NORIFUMI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA NORIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHINETSU CHEMICAL CO
9 patentsUS5492957AFeb 20, 1996
Face coat composition for casting mold and method for the preparation of casting mold having face coat layer
SHINETSU CHEMICAL CO20 citations91
US6238566B1May 29, 2001
Multi-stage solvent extraction of metal value
SHINETSU CHEMICAL CO40 citations88
US5415851AMay 16, 1995
Method for the preparation of spherical particles of a rare earth phosphate
SHINETSU CHEMICAL CO11 citations74
US5503815AApr 2, 1996
Method for the preparation of a lanthanum manganite powder
SHINETSU CHEMICAL CO17 citations73
US5332558AJul 26, 1994
Rare earth oxide powder and method for the preparation thereof
SHINETSU CHEMICAL CO18 citations73
US4483734ANov 20, 1984
Method for the preparation of single crystals of gadolinium gallium garnet
SHINETSU CHEMICAL CO8 citations70
US5169610ADec 8, 1992
Method for the purification of rare earth oxysulfide
SHINETSU CHEMICAL CO10 citations69
US5352426AOct 4, 1994
Method for the preparation of coprecipitated carbonate of lanthanum, cerium and terbium
SHINETSU CHEMICAL CO2 citations63
US5286688AFeb 15, 1994
Rare earth oxide powder
SHINETSU CHEMICAL CO4 citations62