Inventor
IDA IWAO
JP3 patents
Patents
3 patentsUS5221459AJun 22, 1993
Method of manufacturing a magnetic disk substrate of titanium
NIPPON KOKAN KK43 citations89
US5270020ADec 14, 1993
Apparatus for manufacturing silicon single crystals
NIPPON KOKAN KK20 citations81
US5478657ADec 26, 1995
Titanium discs useful for magnetic discs
NIPPON KOKAN KK8 citations70