Inventor
FUJII SEIRO
JP6 patents
Patents
6 patentsUS5360652ANov 1, 1994
Optical recording disc
PIONEER ELECTRONIC CORP43 citations91
US5087340AFeb 11, 1992
Method of making magneto-optical recording disk
PIONEER ELECTRONIC CORP13 citations73
US5417182AMay 23, 1995
Apparatus for manufacturing a substrate means for an optical recording disk
PIONEER ELECTRONIC CORP6 citations72
US5292550AMar 8, 1994
Manufacturing method of substrate means for optical recording disk and apparatus therefor
PIONEER ELECTRONIC CORP8 citations72
US5217850AJun 8, 1993
Optical recording disk and manufacturing method thereof
PIONEER ELECTRONIC CORP2 citations62
US4775603AOct 4, 1988
Optical-magnetic recording medium
PIONEER ELECTRONIC CORP4 citations60