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Patents Grants
last 30 patents
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
7,139,201
Issue date
Nov 21, 2006
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
6,967,892
Issue date
Nov 22, 2005
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
6,781,895
Issue date
Aug 24, 2004
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrically erasable and programmable nonvolatile semiconductor me...
Patent number
6,574,147
Issue date
Jun 3, 2003
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrically erasable and programmable non-volatile semiconductor m...
Patent number
6,477,087
Issue date
Nov 5, 2002
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for programming an electrically erasable and programmable no...
Patent number
6,285,591
Issue date
Sep 4, 2001
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device with an improved verify vo...
Patent number
6,172,911
Issue date
Jan 9, 2001
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrically erasable and programmable non-volatile semiconductor m...
Patent number
6,026,025
Issue date
Feb 15, 2000
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
5,909,399
Issue date
Jun 1, 1999
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
5,818,791
Issue date
Oct 6, 1998
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
5,793,696
Issue date
Aug 11, 1998
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrically erasable and programmable non-volatile semiconductor m...
Patent number
5,768,190
Issue date
Jun 16, 1998
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
5,724,300
Issue date
Mar 3, 1998
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrically erasable and programmable non-volatile semiconductor m...
Patent number
5,627,782
Issue date
May 6, 1997
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
5,615,165
Issue date
Mar 25, 1997
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrically erasable and programmable non-volatile semiconductor m...
Patent number
5,566,105
Issue date
Oct 15, 1996
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
5,546,351
Issue date
Aug 13, 1996
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Non-volatile semiconductor memory device and memory system using th...
Patent number
5,361,227
Issue date
Nov 1, 1994
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrically erasable and programmable non-volatile semiconductor m...
Patent number
5,357,462
Issue date
Oct 18, 1994
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device with voltage stabilizing e...
Patent number
5,179,427
Issue date
Jan 12, 1993
Kabushiki Kaisha Toshiba
Ryozo Nakayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Nand cell type programmable read-only memory with common control ga...
Patent number
5,043,942
Issue date
Aug 27, 1991
Kabushiki Kaisha Toshiba
Yoshihisa Iwata
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Non-volatile semiconductor memory device and memory system using th...
Publication number
20060114729
Publication date
Jun 1, 2006
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Non-volatile semiconductor memory device and memory system using th...
Publication number
20040174747
Publication date
Sep 9, 2004
Kabushiki Kaisha Toshiba
Tomoharu Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electrically erasable and programmable non-volatile semiconductor m...
Publication number
20020145913
Publication date
Oct 10, 2002
Tomoharu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Electrically erasable and programmable non-volatile semiconductor m...
Publication number
20010048615
Publication date
Dec 6, 2001
Tomoharu Tanaka
G11 - INFORMATION STORAGE