Assignee
KATSUMATA RYOTA
JP·9 granted patents·2 pending applications·209 citations·filing 2004–2011
Top patents by PatentIndex Score
11 records- 0198US8405142B2Semiconductor memory deviceKATSUMATA RYOTA·Filed 2011·Granted Mar 26, 2013·46 cites·7 claims
- 0298US8274108B2Nonvolatile semiconductor memory device and method for manufacturing the sameKATSUMATA RYOTA·Filed 2010·Granted Sep 25, 2012·48 cites·14 claims
- 0394US8193571B2Stacked type nonvolatile semiconductor memory device and method of manufacturing sameKATSUMATA RYOTA·Filed 2009·Granted Jun 5, 2012·29 cites·9 claims
- 0494US8154068B2Non-volatile semiconductor storage device and method of manufacturing the sameKATSUMATA RYOTA·Filed 2009·Granted Apr 10, 2012·35 cites·20 claims
- 0593US8189371B2Nonvolatile semiconductor memory device and method for driving sameKATSUMATA RYOTA·Filed 2010·Granted May 29, 2012·18 cites·18 claims
- 0690US8218358B2Nonvolatile semiconductor memory device and method for driving sameKATSUMATA RYOTA·Filed 2010·Granted Jul 10, 2012·8 cites·14 claims
- 0789US8120961B2Nonvolatile semiconductor memory deviceKATSUMATA RYOTA·Filed 2009·Granted Feb 21, 2012·17 cites·17 claims
- 0880US8294191B2Multi-layer memory device including vertical and U-shape charge storage regionsKATSUMATA RYOTA·Filed 2010·Granted Oct 23, 2012·6 cites·16 claims
- 0965US8541866B2Nonvolatile semiconductor memory device and method for manufacturing sameKATSUMATA RYOTA·Filed 2010·Granted Sep 24, 2013·2 cites·18 claims
- 1040US2005255661A1Semiconductor device and manufacturing method thereforKATSUMATA RYOTA·Filed 2004·Application pending·0 cites
- 1137US2005263858A1Semiconductor deviceKATSUMATA RYOTA·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →