Assignee
NAGASHIMA HIROYUKI
JP·17 granted patents·5 pending applications·204 citations·filing 2006–2012
Top patents by PatentIndex Score
22 records- 0199US8929140B2Memory system in which a read level is changed based on standing time and at least one of a read, write or erase countNAGASHIMA HIROYUKI·Filed 2012·Granted Jan 6, 2015·41 cites·9 claims
- 0296US8274068B2Semiconductor integrated circuit device and method of fabricating the sameNAGASHIMA HIROYUKI·Filed 2010·Granted Sep 25, 2012·24 cites·6 claims
- 0394US8755233B2Memory systemNAGASHIMA HIROYUKI·Filed 2011·Granted Jun 17, 2014·15 cites·20 claims
- 0494US8507889B2Nonvolatile semiconductor memory device comprising memory cell array having multilayer structureNAGASHIMA HIROYUKI·Filed 2010·Granted Aug 13, 2013·17 cites·14 claims
- 0592US8391082B2Nonvolatile semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2011·Granted Mar 5, 2013·12 cites·18 claims
- 0691US8964447B2Nonvolatile semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2009·Granted Feb 24, 2015·16 cites·15 claims
- 0790US8259489B2Nonvolatile semiconductor memory device generating different write pulses to vary resistancesNAGASHIMA HIROYUKI·Filed 2008·Granted Sep 4, 2012·14 cites·17 claims
- 0886US8575589B2Nonvolatile semiconductor memory device and method of manufacturing the sameNAGASHIMA HIROYUKI·Filed 2008·Granted Nov 5, 2013·10 cites·8 claims
- 0985US8149609B2Nonvolatile semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2010·Granted Apr 3, 2012·8 cites·20 claims
- 1084US8254823B2Waste toner storage unit and image forming apparatus using sameNAGASHIMA HIROYUKI·Filed 2008·Granted Aug 28, 2012·7 cites·25 claims
- 1184US8064272B2Semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2011·Granted Nov 22, 2011·6 cites·15 claims
- 1281US8300444B2Nonvolatile semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2008·Granted Oct 30, 2012·13 cites·15 claims
- 1381US8085585B2Semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2011·Granted Dec 27, 2011·5 cites·12 claims
- 1480US8891304B2Nonvolatile semiconductor memory device and memory systemNAGASHIMA HIROYUKI·Filed 2011·Granted Nov 18, 2014·7 cites·12 claims
- 1574US8477542B2Semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2011·Granted Jul 2, 2013·3 cites·19 claims
- 1668US8644072B2Three dimensionally stacked memory and the isolation of memory cell layerNAGASHIMA HIROYUKI·Filed 2008·Granted Feb 4, 2014·6 cites·23 claims
- 1749US8792278B2Non-volatile memory semiconductor storage including contact plugNAGASHIMA HIROYUKI·Filed 2012·Granted Jul 29, 2014·0 cites·11 claims
- 1842US2012155147A1Nonvolatile semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2012·Application pending·0 cites
- 1939US2007122217A1Image forming apparatus & associated method of applying a lubricantNAGASHIMA HIROYUKI·Filed 2006·Application pending·0 cites
- 2036US2007279983A1Semiconductor memory device and data transmission method thereofNAGASHIMA HIROYUKI·Filed 2007·Application pending·0 cites
- 2135US2012246389A1Nonvolatile semiconductor memory device and memory systemNAGASHIMA HIROYUKI·Filed 2011·Application pending·0 cites
- 2235US2006171210A1Nonvolatile semiconductor memory device which uses some memory blocks in multilevel memory as binary memory blocksNAGASHIMA HIROYUKI·Filed 2006·Application pending·0 cites
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