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Inventor
GOTOO NOBUYUKI
JP
3 patents
Patents
3 patents
US4672416A
Jun 9, 1987
Semiconductor device
HITACHI LTD
20 citations
81
US4868626A
Sep 19, 1989
Semiconductor device
HITACHI LTD
9 citations
72
US5029323A
Jul 2, 1991
Semiconductor device
HITACHI LTD
1 citations
51