Inventor
SHIMIZU YUUI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU YUUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
21 patentsUS6950334B2Sep 27, 2005
Magnetic random access memory having test circuit and test method therefor
TOSHIBA KK28 citations93
US7859881B2Dec 28, 2010
Magnetic memory device and write/read method of the same
TOSHIBA KK19 citations92
US7791919B2Sep 7, 2010
Semiconductor memory device capable of identifying a plurality of memory chips stacked in the same package
TOSHIBA KK22 citations92
US7116598B2Oct 3, 2006
Semiconductor memory
TOSHIBA KK33 citations92
US7035137B2Apr 25, 2006
Semiconductor memory device having memory cells including ferromagnetic films and control method thereof
TOSHIBA KK27 citations92
US6999340B2Feb 14, 2006
Semiconductor memory device including reference memory cell and control method
TOSHIBA KK23 citations92
US7965555B2Jun 21, 2011
Non-volatile semiconductor memory device
TOSHIBA KK19 citations91
US7907446B2Mar 15, 2011
Nonvolatile semiconductor memory device and method of driving the same
TOSHIBA KK7 citations84
US7869240B2Jan 11, 2011
Semiconductor device and semiconductor memory tester
TOSHIBA KK12 citations84
US7869265B2Jan 11, 2011
Magnetic random access memory and write method of the same
TOSHIBA KK15 citations84
US7864563B2Jan 4, 2011
Magnetic random access memory
TOSHIBA KK10 citations84
US7835210B2Nov 16, 2010
Magnetic random access memory and data read method of the same
TOSHIBA KK19 citations84
US8374032B2Feb 12, 2013
Non-volatile semiconductor memory device
TOSHIBA KK10 citations83
US7079414B2Jul 18, 2006
Magnetic random access memory device
TOSHIBA KK8 citations74
US7154775B2Dec 26, 2006
Magnetic random access memory
TOSHIBA KK5 citations63
US7095649B2Aug 22, 2006
Semiconductor integrated circuit device
TOSHIBA KK4 citations63
US9367076B2Jun 14, 2016
Semiconductor device
TOSHIBA KK0 citations52
US7269045B2Sep 11, 2007
Magnetic random access memory with interconnected write lines
TOSHIBA KK0 citations52
US9583582B2Feb 28, 2017
Semiconductor integrated device
TOSHIBA KK0 citations42
US9076532B2Jul 7, 2015
Semiconductor memory device and method of testing the same
TOSHIBA KK0 citations42
US9218859B2Dec 22, 2015
Semiconductor memory device
TOSHIBA KK0 citations41
SHIMIZU YUUI
7 patentsUS8730757B2May 20, 2014
Memory system
SHIMIZU YUUI8 citations83
US8179730B2May 15, 2012
Semiconductor device and semiconductor memory tester
SHIMIZU YUUI5 citations73
US8736346B2May 27, 2014
Level shift circuit
SHIMIZU YUUI4 citations72
US8861287B2Oct 14, 2014
Interface circuit
SHIMIZU YUUI2 citations62
US8558576B2Oct 15, 2013
Output buffer
SHIMIZU YUUI1 citations51
US8410811B2Apr 2, 2013
Input circuit and semiconductor storage device
SHIMIZU YUUI0 citations51
US8315108B2Nov 20, 2012
Memory interface circuit
SHIMIZU YUUI0 citations51
TOSHIBA MEMORY CORP
4 patentsUS10762963B2Sep 1, 2020
Semiconductor memory device
TOSHIBA MEMORY CORP4 citations72
US10340857B2Jul 2, 2019
Amplifier circuit
TOSHIBA MEMORY CORP1 citations60
US10431266B2Oct 1, 2019
Semiconductor storage device
TOSHIBA MEMORY CORP0 citations38
US10121778B2Nov 6, 2018
Semiconductor device
TOSHIBA MEMORY CORP0 citations35