Inventor
YOSHIHARA SAKUJI
JP4 patents
Patents
4 patentsUS5654057AAug 5, 1997
Sheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording medium
HOYA CORP143 citations97
US5725625AMar 10, 1998
Method of manufacturing a magnetic recording disk using glass substrate
HOYA CORP76 citations94
US5916656AJun 29, 1999
Sheet glass flattening method, method of manufacturing an information recording glass substrate using flattened glass, method of manufacturing a magnetic disk using glass substrate, and magnetic recording medium
HOYA CORP47 citations93
US5681609AOct 28, 1997
Method of manufacturing a magnetic recording disk
HOYA CORP22 citations91