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SHIBATA NOBORU
JP28 patents
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US8619468B2Dec 31, 2013
Semiconductor memory device for storing multivalued data
SHIBATA NOBORU19 citations96
US8971130B2Mar 3, 2015
Semiconductor memory device capable of shortening erase time
SHIBATA NOBORU13 citations93
US8593880B2Nov 26, 2013
Semiconductor memory system including a plurality of semiconductor memory devices
SHIBATA NOBORU8 citations93
US8310871B2Nov 13, 2012
Semiconductor memory device for storing multivalued data
SHIBATA NOBORU15 citations93
US8284607B2Oct 9, 2012
Semiconductor memory system including a plurality of semiconductor memory devices
SHIBATA NOBORU10 citations93
US8264894B2Sep 11, 2012
Semiconductor memory device capable of memorizing multivalued data
SHIBATA NOBORU16 citations93
US8154930B2Apr 10, 2012
Semiconductor memory device which stores plural data in a cell
SHIBATA NOBORU17 citations93
US8861298B2Oct 14, 2014
Semiconductor storage system capable of suppressing peak current
SHIBATA NOBORU9 citations84
US8625356B2Jan 7, 2014
High-speed verifiable semiconductor memory device
SHIBATA NOBORU7 citations84
US8482976B2Jul 9, 2013
Semiconductor memory device and semiconductor memory system storing multilevel data
SHIBATA NOBORU10 citations84
US8432748B2Apr 30, 2013
Semiconductor memory device capable of memorizing multivalued data
SHIBATA NOBORU10 citations84
US8270214B2Sep 18, 2012
Nonvolatile semiconductor memory device
SHIBATA NOBORU10 citations84
US8116134B2Feb 14, 2012
Semiconductor memory device with improved ECC efficiency
SHIBATA NOBORU10 citations84
US8077514B2Dec 13, 2011
Semiconductor memory device capable of memorizing multivalued data
SHIBATA NOBORU11 citations84
US8203889B2Jun 19, 2012
High-speed verifiable semiconductor memory device
SHIBATA NOBORU3 citations74
US8730741B2May 20, 2014
Semiconductor memory system capable of suppressing consumption current
SHIBATA NOBORU4 citations73
US8687420B2Apr 1, 2014
Nonvolatile semiconductor memory device
SHIBATA NOBORU4 citations73
US9263131B2Feb 16, 2016
High-speed readable semiconductor storage device
SHIBATA NOBORU2 citations63
US8406054B2Mar 26, 2013
Semiconductor memory device with improved ECC efficiency
SHIBATA NOBORU3 citations63
US8335114B2Dec 18, 2012
Semiconductor memory device capable of shortening erase time
SHIBATA NOBORU1 citations63
US8189389B2May 29, 2012
Nonvolatile semiconductor memory device with a voltage setting circuit for a step-up shift test
SHIBATA NOBORU2 citations63
US8149629B2Apr 3, 2012
Semiconductor storage device adapted to prevent erroneous writing to non-selected memory cells
SHIBATA NOBORU2 citations62
US8885408B2Nov 11, 2014
Nonvolatile semiconductor memory device for rendering the same in a busy state after inputting data therein
SHIBATA NOBORU0 citations52
US8416629B2Apr 9, 2013
Semiconductor storage device adapted to prevent erroneous writing to non-selected memory cells
SHIBATA NOBORU0 citations52
US8406056B2Mar 26, 2013
Semiconductor memory device capable of increasing writing speed
SHIBATA NOBORU0 citations52
US8331148B2Dec 11, 2012
Semiconductor memory device capable of lowering a write voltage
SHIBATA NOBORU1 citations52
US8289783B2Oct 16, 2012
Semiconductor memory device capable of suppressing peak current
SHIBATA NOBORU0 citations52
US8098524B2Jan 17, 2012
Semiconductor memory device capable of increasing writing speed
SHIBATA NOBORU0 citations52