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Hisakazu Iizuka
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Yokohama, JP
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last 30 patents
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Patent Grant
Memory having ferroelectric capacitors polarized in nonvolatile mode
Patent number
5,297,077
Issue date
Mar 22, 1994
Kabushiki Kaisha Toshiba
Motomasa Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing E.sup.2 PROM
Patent number
4,612,212
Issue date
Sep 16, 1986
Tokyo Shibaura Denki Kabushiki Kaisha
Fujio Masuoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device and method for manufacturing the same
Patent number
4,531,203
Issue date
Jul 23, 1985
Tokyo Shibaura Denki Kabushiki Kaisha
Fujio Masuoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of operating a semiconductor memory circuit
Patent number
4,462,090
Issue date
Jul 24, 1984
Tokyo Shibaura Denki Kabushiki Kaisha
Hisakazu Iizuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing a semiconductor device
Patent number
4,406,051
Issue date
Sep 27, 1983
Tokyo Shibaura Denki Kabushiki Kaisha
Hisakazu Iizuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating a semiconductor device
Patent number
4,376,336
Issue date
Mar 15, 1983
Tokyo Shibaura Denki Kabushiki Kaisha
Norio Endo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Short circuit prevention in the manufacture of semiconductor devices
Patent number
4,363,696
Issue date
Dec 14, 1982
Tokyo Shibaura Denki Kabushiki Kaisha
Yoshihide Nagakubo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing a semiconductor device
Patent number
4,267,011
Issue date
May 12, 1981
Tokyo Shibaura Denki Kabushiki Kaisha
Tadashi Shibata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device
Patent number
4,115,795
Issue date
Sep 19, 1978
Tokyo Shibaura Electric Co., Ltd.
Fujio Masuoka
G11 - INFORMATION STORAGE