Inventor
KUDO JUNICHIRO
JP5 patents
Patents
5 patentsUS5552098ASep 3, 1996
Method for fabrication of disc substrate
SONY CORP32 citations91
US5427520AJun 27, 1995
Mold device for fabricating disc substrate
SONY CORP21 citations91
US5326240AJul 5, 1994
Metal mold device for molding a disc substrate
SONY CORP34 citations91
US4879082ANov 7, 1989
Method for molding plastic material into disk shaped sabstrate for an optical information record carrier
SONY CORP21 citations81
US4798767AJan 17, 1989
Optical information record medium
SONY CORP7 citations65