Inventor
HIRANO YASUAKI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “HIRANO YASUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
32 patentsUS6195287B1Feb 27, 2001
Data programming method for a nonvolatile semiconductor storage
SHARP KK162 citations99
US6831858B2Dec 14, 2004
Non-volatile semiconductor memory device and data write control method for the same
SHARP KK82 citations96
US6172912B1Jan 9, 2001
Programming method for a nonvolatile semiconductor memory
SHARP KK23 citations93
US6768676B2Jul 27, 2004
Nonvolatile semiconductor memory device
SHARP KK22 citations92
US6714459B2Mar 30, 2004
Nonvolatile semiconductor memory device and method of detecting overerased cell
SHARP KK39 citations92
US6711058B1Mar 23, 2004
Erase method for nonvolatile semiconductor storage device and row decoder circuit for fulfilling the method
SHARP KK37 citations92
US6608782B2Aug 19, 2003
Booster circuit capable of achieving a stable pump operation for nonvolatile semiconductor memory device
SHARP KK20 citations92
US6542410B2Apr 1, 2003
Nonvolatile semiconductor memory device capable of reducing pre-erase write time and erase method therefor
SHARP KK20 citations92
US6483752B2Nov 19, 2002
Erase method for nonvolatile semiconductor memory device
SHARP KK49 citations92
US6445622B1Sep 3, 2002
Voltage level shifter circuit and nonvolatile semiconductor storage device using the circuit
SHARP KK29 citations92
US6442075B2Aug 27, 2002
Erasing method for nonvolatile semiconductor memory device capable of improving a threshold voltage distribution
SHARP KK22 citations92
US6433582B2Aug 13, 2002
Voltage level shifter circuit
SHARP KK36 citations92
US6426894B1Jul 30, 2002
Method and circuit for writing data to a non-volatile semiconductor memory device
SHARP KK36 citations92
US6404681B1Jun 11, 2002
Method for erasing data from a non-volatile semiconductor memory device
SHARP KK42 citations92
US6331949B1Dec 18, 2001
Circuit for storing and latching defective address data for a nonvolatile semiconductor memory device having redundant function
SHARP KK31 citations92
US6111785AAug 29, 2000
Nonvolatile semiconductor memory device capable of decreasing layout area for writing defective address
SHARP KK36 citations92
US6072722AJun 6, 2000
Method of driving a nonvolatile semiconductor storage device
SHARP KK54 citations92
US6067251AMay 23, 2000
Non-volatile semiconductor memory device
SHARP KK28 citations92
US5831905ANov 3, 1998
Method for controlling erasure of nonvolatile semiconductor memory
SHARP KK29 citations92
US5652450AJul 29, 1997
Nonvolatile semiconductor storage device
SHARP KK43 citations92
US6747901B2Jun 8, 2004
Nonvolatile semiconductor memory device capable of preventing occurrence of latch-up
SHARP KK14 citations84
US6735125B2May 11, 2004
Nonvolatile semiconductor memory device and method of erasing the same
SHARP KK16 citations84
US6256228B1Jul 3, 2001
Method for erasing nonvolatile semiconductor storage device capable of preventing erroneous reading
SHARP KK16 citations84
US6198659B1Mar 6, 2001
Defective address data storage circuit for nonvolatile semiconductor memory device having redundant function and method of writing defective address data
SHARP KK17 citations84
US6160735ADec 12, 2000
Negative voltage level shifter circuit and nonviolatile semiconductor storage device including the circuit
SHARP KK18 citations84
US6134142AOct 17, 2000
Redundancy method and a device for a non-volatile semiconductor memory
SHARP KK18 citations84
US6549465B2Apr 15, 2003
Nonvolatile semiconductor memory well voltage setting circuit without latchup and semiconductor memory device provided with the circuit
SHARP KK18 citations81
US6657898B2Dec 2, 2003
Nonvolatile semiconductor memory device and data erase method therefor
SHARP KK12 citations74
US5910918AJun 8, 1999
Data writing circuit for a nonvolatile semiconductor memory
SHARP KK12 citations74
US6912161B2Jun 28, 2005
Nonvolatile semiconductor memory device
SHARP KK9 citations72
US7038951B2May 2, 2006
Non-volatile semiconductor memory device and erasing control method thereof
SHARP KK2 citations61
US11482833B2Oct 25, 2022
Light emitting device
SHARP KK0 citations52