Inventor
ISHIGE KIYOKAZU
JP14 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGE KIYOKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
10 patentsUS6396098B2May 28, 2002
Semiconductor memory device and method of fabricating the same
NEC CORP7 citations72
US6392268B2May 21, 2002
Nonvolatile semiconductor storage apparatus and production method of the same
NEC CORP9 citations72
US6316314B1Nov 13, 2001
Nonvolatile semiconductor memory device and fabrication method
NEC CORP12 citations72
US5998831ADec 7, 1999
Non-volatile semiconductor memory device
NEC CORP3 citations62
US5648285AJul 15, 1997
Method for manufacturing semiconductor nonvolatile memory device with field insulating layer
NEC CORP4 citations61
US6515326B2Feb 4, 2003
Semiconductor memory device and method of fabricating the same
NEC CORP0 citations51
US6503797B2Jan 7, 2003
Nonvolatile semiconductor storage apparatus and production method of the same
NEC CORP0 citations51
US6538927B1Mar 25, 2003
Semiconductor storage device and production method thereof
NEC CORP0 citations50
US6498753B2Dec 24, 2002
Semiconductor storage device and production method thereof
NEC CORP0 citations50
US6330191B2Dec 11, 2001
Semiconductor storage device and production method thereof
NEC CORP0 citations50