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Hiroshi Iwahashi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
7,319,614
Issue date
Jan 15, 2008
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
7,064,979
Issue date
Jun 20, 2006
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
6,785,166
Issue date
Aug 31, 2004
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
6,738,293
Issue date
May 18, 2004
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device with programming voltage g...
Patent number
6,577,539
Issue date
Jun 10, 2003
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of nonvolatile semiconductor memory device
Patent number
6,549,462
Issue date
Apr 15, 2003
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of nonvolatile semiconductor memory device
Patent number
6,545,913
Issue date
Apr 8, 2003
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory
Patent number
6,452,853
Issue date
Sep 17, 2002
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
6,353,557
Issue date
Mar 5, 2002
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
6,344,999
Issue date
Feb 5, 2002
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
6,304,489
Issue date
Oct 16, 2001
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,301,158
Issue date
Oct 9, 2001
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory
Patent number
6,292,423
Issue date
Sep 18, 2001
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of nonvolatile semiconductor memory device
Patent number
6,269,021
Issue date
Jul 31, 2001
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of non-volatile semiconductor memory device
Patent number
6,178,116
Issue date
Jan 23, 2001
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device
Patent number
6,169,690
Issue date
Jan 2, 2001
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device and data programming method
Patent number
6,091,639
Issue date
Jul 18, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,081,453
Issue date
Jun 27, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of nonvolatile semiconductor memory device
Patent number
6,072,748
Issue date
Jun 6, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of nonvolatile semiconductor memory device
Patent number
6,061,271
Issue date
May 9, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of non-volatile semiconductor memory device
Patent number
6,058,051
Issue date
May 2, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of nonvolatile semiconductor memory device
Patent number
6,034,899
Issue date
Mar 7, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of non-volatile semiconductor memory device
Patent number
6,021,073
Issue date
Feb 1, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell of non-volatile semiconductor memory device
Patent number
6,011,747
Issue date
Jan 4, 2000
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device capable of storing plural-bit data in a...
Patent number
5,969,989
Issue date
Oct 19, 1999
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device capable of storing plural-bit data in a...
Patent number
5,953,274
Issue date
Sep 14, 1999
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device with a plurality of progra...
Patent number
5,923,588
Issue date
Jul 13, 1999
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device including circuitry for selecting a blo...
Patent number
5,877,982
Issue date
Mar 2, 1999
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device having a matrix of memory c...
Patent number
5,877,981
Issue date
Mar 2, 1999
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory and method of manufacturing the same
Patent number
5,824,583
Issue date
Oct 20, 1998
Kabushiki Kaisha Toshiba
Masamichi Asano
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Non-volatile semiconductor memory device and data programming method
Publication number
20060193173
Publication date
Aug 31, 2006
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Non-volatile semiconductor memory device and data programming method
Publication number
20050007821
Publication date
Jan 13, 2005
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Application
NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE AND DATA PROGRAMMING METHOD
Publication number
20040080983
Publication date
Apr 29, 2004
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Non-volatile semiconductor memory device and data programming method
Publication number
20030210571
Publication date
Nov 13, 2003
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Memory cell of nonvolatile semiconductor memory device
Publication number
20020060928
Publication date
May 23, 2002
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Non-volatile semiconductor memory device and data programming method
Publication number
20020041518
Publication date
Apr 11, 2002
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory
Publication number
20010055223
Publication date
Dec 27, 2001
Hiroshi Iwahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Non-volatile semiconductor memory device and data programming method
Publication number
20010015913
Publication date
Aug 23, 2001
Kabushiki Kaisha Toshiba
Hiroshi Iwahashi
G11 - INFORMATION STORAGE