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Osamu Matsumoto
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor memory device having both redundancy and test capabil...
Patent number
5,801,986
Issue date
Sep 1, 1998
Kabushiki Kaisha Toshiba
Osamu Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile memory circuit
Patent number
5,270,978
Issue date
Dec 14, 1993
Kabushiki Kaisha Toshiba
Osamu Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Potential detecting circuit
Patent number
5,208,488
Issue date
May 4, 1993
Kabushiki Kaisha Toshiba
Akira Takiba
G05 - CONTROLLING REGULATING
Information
Patent Grant
Semiconductor memory device having monitoring function
Patent number
5,179,537
Issue date
Jan 12, 1993
Kabushiki Kaisha Toshiba
Osamu Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device having, at the prestage of...
Patent number
5,031,149
Issue date
Jul 9, 1991
Kabushiki Kaisha Toshiba
Osamu Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Sense amplifier having pull-up circuit controlled by feedback
Patent number
5,015,890
Issue date
May 14, 1991
Kabushiki Kaisha Toshiba
Hiroaki Murakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device with a double gate structure
Patent number
4,930,105
Issue date
May 29, 1990
Kabushiki Kaisha Toshiba
Osamu Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Sense amplifier
Patent number
4,859,882
Issue date
Aug 22, 1989
Kabushiki Kaisha Toshiba
Osamu Matsumoto
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Search processing method and apparatus
Publication number
20070282808
Publication date
Dec 6, 2007
FUJITSU LIMITED
Masaki Hashirano
G06 - COMPUTING CALCULATING COUNTING