Inventor
NAGATOMO YOSHIKI
JP5 patents
Patents
5 patentsUS5937311AAug 10, 1999
Method of forming isolation region
OKI ELECTRIC IND CO LTD9 citations70
US5541428AJul 30, 1996
Semiconductor memory device with superimposed storage electrodes
OKI ELECTRIC IND CO LTD12 citations70
US5194404AMar 16, 1993
Method of manufacturing a contact structure for a semiconductor device
OKI ELECTRIC IND CO LTD13 citations70
US6828207B2Dec 7, 2004
Method of Fabricating a capacitor structure having hemispherical grains
OKI ELECTRIC IND CO LTD3 citations60
US5973347AOct 26, 1999
Semiconductor memory cell having storage electrodes with inclined portions
OKI ELECTRIC IND CO LTD5 citations59