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发明名称
Semiconductor memory device
摘要
申请公布号
US5043947(A)
申请公布日期
1991.08.27
申请号
US19900530304
申请日期
1990.05.30
申请人
HITACHI, LTD.
发明人
OSHIMA, KAZUYOSHI;YAMAZAKI, TAKASHI;KASAMA, YASUHIRO;UDAGAWA, TETSU;KOTANI, HIROAKI
分类号
G11C11/401;G11C8/12;G11C11/407;G11C11/409
主分类号
G11C11/401
代理机构
代理人
主权项
地址
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