Inventor
SATO NORIFUMI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “SATO NORIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
3 patentsUS5721619AFeb 24, 1998
Misregistration detecting marks for pattern formed on semiconductor substrate
NEC CORP19 citations90
US6031291AFeb 29, 2000
Common contact hole structure in semiconductor device
NEC CORP17 citations82
US5796145AAug 18, 1998
Semiconductor device composed of MOSFET having threshold voltage control section
NEC CORP5 citations62