Inventor
KITAZAWA SHOOJI
JP13 patents
Patents
13 patentsUS6147912ANov 14, 2000
Non-volatile semiconductor memory and method for reading data stored therein
OKI ELECTRIC IND CO LTD35 citations92
US5051953ASep 24, 1991
EEPROM device including read, write, and erase voltage switching circuits
OKI ELECTRIC IND CO LTD30 citations92
US4884239ANov 28, 1989
Method for erasing data in a semiconductor memory device
OKI ELECTRIC IND CO LTD49 citations92
US4935791AJun 19, 1990
Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring
OKI ELECTRIC IND CO LTD24 citations89
US5056062AOct 8, 1991
Method of operating an eprom including delaying and boosting steps
OKI ELECTRIC IND CO LTD17 citations81
US4967399AOct 30, 1990
Erasable and programmable read-only memory system
OKI ELECTRIC IND CO LTD17 citations81
US5031148AJul 9, 1991
MOS semiconductor memory device
OKI ELECTRIC IND CO LTD12 citations73
US4924280AMay 8, 1990
Semiconductor fet with long channel length
OKI ELECTRIC IND CO LTD8 citations73
US4899309AFeb 6, 1990
Current sense circuit for a ROM system
OKI ELECTRIC IND CO LTD12 citations73
US4709352ANov 24, 1987
MOS read-only memory systems
OKI ELECTRIC IND CO LTD12 citations73
US5204542AApr 20, 1993
Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring
OKI ELECTRIC IND CO LTD13 citations71
US6233168B1May 15, 2001
Non-volatile semiconductor memory capable of reducing parasitic current
OKI ELECTRIC IND CO LTD12 citations70
US4987464AJan 22, 1991
Encapsulated FET semiconductor device with large W/L ratio
OKI ELECTRIC IND CO LTD2 citations62