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Inventor
IKUTA NOBUO
JP
2 patents
Patents
2 patents
US4809227A
Feb 28, 1989
Read only memory device having memory cells each storing one of three states
FUJITSU LTD
24 citations
90
US5781627A
Jul 14, 1998
Semiconductor integrated circuit device with copy-preventive function
FUJITSU LTD
12 citations
70