Assignee
ISHIYAMA MASAFUMI
SG3 patents
Top patents by PatentIndex Score
US8425975B2Apr 23, 2013
Magnetic disk and magnetic disk manufacturing method
ISHIYAMA MASAFUMI70 citations97
US8092931B2Jan 10, 2012
Magnetic disk, method of manufacturing the magnetic disk and method of evaluating the magnetic disk
ISHIYAMA MASAFUMI70 citations96
US8709532B2Apr 29, 2014
Magnetic disk and manufacturing method thereof
ISHIYAMA MASAFUMI0 citations51