Inventor
NAWAKI MASARU
JP45 patents
Patents
45 patentsUS7405974B2Jul 29, 2008
Semiconductor memory device, page buffer resource assigning method and circuit therefor, computer system and mobile electronic device
SHARP KK62 citations98
US7050337B2May 23, 2006
Writing control method and writing control system of semiconductor storage device, and portable electronic apparatus
SHARP KK142 citations98
US4791319ADec 13, 1988
Semiconductor device with redundancy circuit and means for activating same
SHARP KK54 citations96
US7009884B2Mar 7, 2006
Semiconductor storage device, display device and portable electronic equipment
SHARP KK22 citations93
US6894929B2May 17, 2005
Method of programming semiconductor memory device having memory cells and method of erasing the same
SHARP KK24 citations93
US7372758B2May 13, 2008
Semiconductor memory device, method for controlling the same, and mobile electronic device
SHARP KK22 citations92
US6985397B2Jan 10, 2006
Semiconductor storage device and portable electronic equipment having the same
SHARP KK33 citations92
US6081450AJun 27, 2000
Non-volatile semiconductor memory device in which read, write and erase operations can be simultaneously performed in different memory cell array blocks
SHARP KK26 citations92
US5295109AMar 15, 1994
Semiconductor memory
SHARP KK44 citations92
US4670765AJun 2, 1987
Semiconductor photodetector element
SHARP KK25 citations92
US5602777AFeb 11, 1997
Semiconductor memory device having floating gate transistors and data holding means
SHARP KK59 citations91
US7315603B2Jan 1, 2008
Semiconductor storage device, method for protecting predetermined memory element and portable electronic equipment
SHARP KK16 citations84
US7203118B2Apr 10, 2007
Semiconductor storage device and mobile electronic device
SHARP KK14 citations84
US7170791B2Jan 30, 2007
Programming verification method of nonvolatile memory cell, semiconductor memory device, and portable electronic apparatus having the semiconductor memory device
SHARP KK17 citations84
US7092295B2Aug 15, 2006
Semiconductor memory device and portable electronic apparatus including the same
SHARP KK17 citations84
US7038282B2May 2, 2006
Semiconductor storage device
SHARP KK11 citations84
US6992926B2Jan 31, 2006
Driver circuit for semiconductor storage device and portable electronic apparatus
SHARP KK13 citations84
US6990022B2Jan 24, 2006
Semiconductor memory device and portable electronic apparatus
SHARP KK12 citations84
US6862251B2Mar 1, 2005
Semiconductor memory device
SHARP KK18 citations84
US4916661AApr 10, 1990
Semiconductor memory device with bit line pairs crossed at least once with respect to each other
SHARP KK22 citations79
US7177188B2Feb 13, 2007
Semiconductor memory device, display device, and portable electronic apparatus
SHARP KK9 citations74
US7110297B2Sep 19, 2006
Semiconductor storage device and mobile electronic apparatus
SHARP KK8 citations74
US7079421B2Jul 18, 2006
Method of improving data retention ability of semiconductor memory device, and semiconductor memory device
SHARP KK8 citations74
US7023731B2Apr 4, 2006
Semiconductor memory device and portable electronic apparatus
SHARP KK8 citations74
US7009892B2Mar 7, 2006
Semiconductor memory device and portable electronic apparatus
SHARP KK7 citations74
US6982906B2Jan 3, 2006
Electrically programmable and electrically erasable semiconductor memory device
SHARP KK10 citations74
US6977843B2Dec 20, 2005
Semiconductor memory device with malfunction prevention device, and portable electronic apparatus using the same
SHARP KK11 citations74
US5216678AJun 1, 1993
Test method for a semiconductor memory device applied to a margin test
SHARP KK12 citations74
US4757218AJul 12, 1988
Semiconductor IC device with word lines shielded from voltage changes in adjacent lines
SHARP KK7 citations74
US6535425B2Mar 18, 2003
Nonvolatile semiconductor memory device
SHARP KK10 citations73
US5006725AApr 9, 1991
Pulse generator for use in an integrated circuit
SHARP KK12 citations73
US5463635AOct 31, 1995
Semiconductor memory device including means for checking the operation of an internal address generator
SHARP KK11 citations66
US7167402B2Jan 23, 2007
Semiconductor storage device, redundancy circuit thereof, and portable electronic device
SHARP KK2 citations63
US7161207B2Jan 9, 2007
Computer system, memory structure and structure for providing storage of data
SHARP KK3 citations63
US7139202B2Nov 21, 2006
Semiconductor storage device, mobile electronic apparatus, and method for controlling the semiconductor storage device
SHARP KK6 citations63
US7116579B2Oct 3, 2006
Semiconductor storage device and mobile electronic apparatus
SHARP KK4 citations63
US7106630B2Sep 12, 2006
Semiconductor storage device, mobile electronic apparatus, method for controlling erase operation, and method for controlling program operation
SHARP KK4 citations63
US7102941B2Sep 5, 2006
Semiconductor memory device and portable electronic apparatus
SHARP KK2 citations63
US7085166B2Aug 1, 2006
Semiconductor memory device and programming method thereof
SHARP KK4 citations63
US7064982B2Jun 20, 2006
Semiconductor memory device and portable electronic apparatus
SHARP KK2 citations63
US7061808B2Jun 13, 2006
Semiconductor memory device, driving method thereof, and portable electronic apparatus
SHARP KK6 citations63
US7050331B2May 23, 2006
Semiconductor memory device and portable electronic apparatus
SHARP KK6 citations63
US6992933B2Jan 31, 2006
Programming verification method of nonvolatile memory cell, semiconductor memory device, and portable electronic apparatus having the semiconductor memory device
SHARP KK2 citations63
US6992930B2Jan 31, 2006
Semiconductor memory device, method for driving the same and portable electronic apparatus
SHARP KK4 citations62
US4686709AAug 11, 1987
Optical Transmission circuit
SHARP KK1 citations52