Assignee
SAKAGUCHI SHOJI
JP·2 granted patents·8 citations·filing 2007–2011
Top patents by PatentIndex Score
2 records- 0183US8167685B2Method of manufacturing a perpendicular magnetic recording medium, a method of manufacturing a substrate for a perpendicular magnetic recording medium, and a medium and a substrate manufactured by the methodsSAKAGUCHI SHOJI·Filed 2007·Granted May 1, 2012·7 cites·11 claims
- 0254US8932110B2Method of manufacturing perpendicular magnetic recording medium substrate and perpendicular magnetic recording medium substrate manufactured by the sameSAKAGUCHI SHOJI·Filed 2011·Granted Jan 13, 2015·1 cites·15 claims
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