Assignee
SHIMAKAWA KAZUHIKO
JP·5 granted patents·75 citations·filing 2008–2012
Top patents by PatentIndex Score
5 records- 0195US8953363B2Nonvolatile semiconductor memory device and read method for the sameSHIMAKAWA KAZUHIKO·Filed 2012·Granted Feb 10, 2015·28 cites·13 claims
- 0291US8094485B2Variable resistance nonvolatile storage device with oxygen-deficient oxide layer and asymmetric substrate bias effectSHIMAKAWA KAZUHIKO·Filed 2008·Granted Jan 10, 2012·22 cites·21 claims
- 0390US8233311B2Variable resistance nonvolatile storage device having a source line formed of parallel wiring layers connected to each other through viasSHIMAKAWA KAZUHIKO·Filed 2011·Granted Jul 31, 2012·11 cites·3 claims
- 0483US8787070B2Reference cell circuit and variable resistance nonvolatile memory device including the sameSHIMAKAWA KAZUHIKO·Filed 2012·Granted Jul 22, 2014·9 cites·24 claims
- 0579US8472238B2Variable resistance nonvolatile storage device with oxygen-deficient oxide layer and asymmetric substrate bias effectSHIMAKAWA KAZUHIKO·Filed 2012·Granted Jun 25, 2013·5 cites·19 claims
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