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Yukio Wada
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Yokohama, JP
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last 30 patents
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Patent Grant
Semiconductor integrated circuit device having circuitry for limiti...
Patent number
5,448,198
Issue date
Sep 5, 1995
Kabushiki Kaisha Toshiba
Yoshiaki Toyoshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power-on reset system and a semiconductor memory device incorporati...
Patent number
5,343,085
Issue date
Aug 30, 1994
Kabushiki Kaisha Toshiba
Takuya Fujimoro
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory circuit including a reliable sense...
Patent number
5,058,062
Issue date
Oct 15, 1991
Kabushiki Kaisha Toshiba
Yukio Wada
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device incorporating level shiftin...
Patent number
5,058,063
Issue date
Oct 15, 1991
Kabushiki Kaisha Toshiba
Yukio Wada
G11 - INFORMATION STORAGE
Information
Patent Grant
Voltage multiplier for nonvolatile semiconductor memory
Patent number
4,970,409
Issue date
Nov 13, 1990
Kabushiki Kaisha Toshiba
Yukio Wada
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory
Patent number
4,912,749
Issue date
Mar 27, 1990
Kabushiki Kaisha Toshiba
Tadashi Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile floating gate semiconductor memory device
Patent number
4,870,615
Issue date
Sep 26, 1989
Kabushiki Kaisha Toshiba
Tadashi Maruyama
G11 - INFORMATION STORAGE