P
PatentIndex
Search
Landscape
Sign in
Inventor
ABDELGHAFAR KEIKO
JP
2 patents
Patents
2 patents
US6309894B1
Oct 30, 2001
Semiconductor memory and method of manufacturing the same
HITACHI LTD
25 citations
90
US6420192B2
Jul 16, 2002
Method of manufacturing semiconductor memory
HITACHI LTD
10 citations
71