Inventor
SUGIYAMA NOBUYO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA NOBUYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS6538275B2Mar 25, 2003
Nonvolatile semiconductor memory device and method for fabricating the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations91
US6770931B2Aug 3, 2004
Nonvolatile semiconductor memory device and method for fabricating the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations61
US6803623B2Oct 12, 2004
Nonvolatile semiconductor memory device which can operate at high speed with low voltage, and manufacturing method there
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51