Inventor
UCHIKOSHI MASAHITO
JP3 patents
Patents
3 patentsUS6391081B1May 21, 2002
Metal purification method and metal refinement method
SONY CORP13 citations70
US6740290B2May 25, 2004
High purity cobalt, method of manufacturing thereof, and high purity cobalt targets
SONY CORP3 citations57
US7279024B2Oct 9, 2007
High purity cobalt, method of manufacturing thereof, and high purity cobalt targets
SONY CORP0 citations47