Inventor
ADACHI TETSUO
JP42 patents
⚠️ This page may combine multiple inventors who share the name “ADACHI TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS5592415AJan 7, 1997
Non-volatile semiconductor memory
HITACHI LTD157 citations99
US5188976AFeb 23, 1993
Manufacturing method of non-volatile semiconductor memory device
HITACHI LTD120 citations98
US6510086B2Jan 21, 2003
Nonvolatile semiconductor memory
HITACHI LTD44 citations96
US6370059B2Apr 9, 2002
Nonvolatile semiconductor memory
HITACHI LTD20 citations96
US6272042B1Aug 7, 2001
Nonvolatile semiconductor memory
HITACHI LTD24 citations96
US6201735B1Mar 13, 2001
Electrically erasable and programmable nonvolatile semiconductor memory
HITACHI LTD26 citations96
US6101123AAug 8, 2000
Nonvolatile semiconductor memory with programming and erasing verification
HITACHI LTD30 citations96
US5910913AJun 8, 1999
Non-volatile semiconductor memory
HITACHI LTD32 citations96
US5828600AOct 27, 1998
Non-volatile semiconductor memory
HITACHI LTD40 citations96
US6461916B1Oct 8, 2002
Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making the device
HITACHI LTD67 citations95
US6444554B1Sep 3, 2002
Method of making a non-volatile memory and semiconductor device
HITACHI LTD36 citations95
US6538926B2Mar 25, 2003
Nonvolatile semiconductor memory system with capability of starting a new program operation while an existing program operation is being performed
HITACHI LTD17 citations93
US6335880B2Jan 1, 2002
Nonvolatile semiconductor memory
HITACHI LTD15 citations93
US5932909AAug 3, 1999
Nonvolatile semiconductor memory device
HITACHI LTD20 citations93
US5793678AAug 11, 1998
Parellel type nonvolatile semiconductor memory device method of using the same
HITACHI LTD24 citations93
US5672529ASep 30, 1997
Method of manufacturing nonvolatile semiconductor memory device
HITACHI LTD18 citations93
US4996571AFeb 26, 1991
Non-volatile semiconductor memory device erasing operation
HITACHI LTD56 citations92
US4972371ANov 20, 1990
Semiconductor memory device
HITACHI LTD46 citations92
US5467309ANov 14, 1995
Semiconductor nonvolatile memory device having reduced switching overhead time on the program mode
HITACHI LTD43 citations91
US7092296B2Aug 15, 2006
Nonvolatile semiconductor memory
HITACHI LTD3 citations74
US6406958B2Jun 18, 2002
Method of manufacturing nonvolatile semiconductor memory device
HITACHI LTD9 citations74
USRE37311EAug 7, 2001
Parallel type nonvolatile semiconductor memory device and method of using the same
HITACHI LTD11 citations74
US6211546B1Apr 3, 2001
Method of manufacturing nonvolatile semiconductor memory device
HITACHI LTD9 citations74
RENESAS TECH CORP
13 patentsUS7528036B2May 5, 2009
Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making device
RENESAS TECH CORP18 citations92
US7692234B2Apr 6, 2010
Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making device
RENESAS TECH CORP8 citations84
US7282411B2Oct 16, 2007
Method of manufacturing a nonvolatile semiconductor memory device
RENESAS TECH CORP13 citations83
US7304345B2Dec 4, 2007
Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making device
RENESAS TECH CORP4 citations74
US7179711B2Feb 20, 2007
Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making device
RENESAS TECH CORP3 citations74
US7141475B2Nov 28, 2006
Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making device
RENESAS TECH CORP5 citations74
US6738310B2May 18, 2004
Nonvolatile semiconductor memory
RENESAS TECH CORP4 citations74
US7195976B2Mar 27, 2007
Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making device
RENESAS TECH CORP6 citations73
US7585745B2Sep 8, 2009
Semiconductor device and a method of manufacturing the same
RENESAS TECH CORP4 citations63
US7419869B2Sep 2, 2008
Semiconductor device and a method for manufacturing the same
RENESAS TECH CORP2 citations63
US7173853B2Feb 6, 2007
Nonvolatile semiconductor memory
RENESAS TECH CORP1 citations63
US7110320B2Sep 19, 2006
Nonvolatile semiconductor memory
RENESAS TECH CORP0 citations63
US7180788B2Feb 20, 2007
Nonvolatile semiconductor memory device
RENESAS TECH CORP2 citations62