Inventor
WADA TOSHIO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “WADA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CORP
11 patentsUS5596527AJan 21, 1997
Electrically alterable n-bit per cell non-volatile memory with reference cells
NIPPON STEEL CORP251 citations99
US5418743AMay 23, 1995
Method of writing into non-volatile semiconductor memory
NIPPON STEEL CORP158 citations99
US5412601AMay 2, 1995
Non-volatile semiconductor memory device capable of storing multi-value data in each memory cell
NIPPON STEEL CORP278 citations99
US5436481AJul 25, 1995
MOS-type semiconductor device and method of making the same
NIPPON STEEL CORP184 citations98
US5424978AJun 13, 1995
Non-volatile semiconductor memory cell capable of storing more than two different data and method of using the same
NIPPON STEEL CORP176 citations98
US5450341ASep 12, 1995
Non-volatile semiconductor memory device having memory cells, each for at least three different data writable thereinto selectively and a method of using the same
NIPPON STEEL CORP103 citations95
US5329335AJul 12, 1994
Method and apparatus for projection exposure
NIPPON STEEL CORP27 citations92
US5323342AJun 21, 1994
MOS memory device
NIPPON STEEL CORP53 citations92
US5313418AMay 17, 1994
Semiconductor memory and memorizing method to read only semiconductor memory
NIPPON STEEL CORP12 citations73
US5329483AJul 12, 1994
MOS semiconductor memory device
NIPPON STEEL CORP4 citations63
US5459685AOct 17, 1995
Semiconductor memory device having memory cells with enhanced capacitor capacity
NIPPON STEEL CORP1 citations52
NIPPON STEEL SEMICONDUCTOR
6 patentsUS5998822ADec 7, 1999
Semiconductor integrated circuit and a method of manufacturing the same
NIPPON STEEL SEMICONDUCTOR59 citations96
US6274919B1Aug 14, 2001
Semiconductor device having a field-shield device isolation structure
NIPPON STEEL SEMICONDUCTOR32 citations92
US5859466AJan 12, 1999
Semiconductor device having a field-shield device isolation structure and method for making thereof
NIPPON STEEL SEMICONDUCTOR44 citations92
US6198151B1Mar 6, 2001
Semiconductor device, semiconductor integrated circuit device, and method of manufacturing same
NIPPON STEEL SEMICONDUCTOR18 citations84
US5717643AFeb 10, 1998
Semiconductor memory device with testing function
NIPPON STEEL SEMICONDUCTOR13 citations73
US6144080ANov 7, 2000
Semiconductor integrated circuit device having field shield MOS devices
NIPPON STEEL SEMICONDUCTOR11 citations72