Inventor

YOSHIKAWA MASATAKE

2 patents

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

KASEI OPTONIX

1 patent

US4650652AMar 17, 1987

Process for recovering highly pure rare earth oxides from a waste rare earth phosphor

KASEI OPTONIX31 citations88

DAINIPPON TORYO KK

1 patent

US4128498ADec 5, 1978

Chlorosilicate phosphor

DAINIPPON TORYO KK8 citations66