US Patent No: 7,379,379

Number of patents in Portfolio can not be more than 2000

Storage device employing a flash memory

ALSO PUBLISHED AS: 20070070694

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Importance

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Abstract

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A semiconductor disk wherein a flash memory into which data is rewritten in block unit is employed as a storage medium, the semiconductor disk including a data memory in which file data are stored, a substitutive memory which substitutes for blocks of errors in the data memory, an error memory in which error information of the data memory are stored, and a memory controller which reads data out of, writes data into and erases data from the data memory, the substitutive memory and the error memory. Since the write errors of the flash memory can be remedied, the service life of the semiconductor disk can be increased.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SOLID STATE STORAGE SOLUTIONS, INC.MARSHALL, TX54

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furuno, Takeshi Kodaira, JP 47 606
Hayashi, Yoshihiro Narashino, JP 300 1881
Kaki, Kenichi Yokohama, JP 64 1305
Katayama, Kunihiro Yokohama, JP 199 1910
Terada, Kouichi Yokohama, JP 37 418
Tsunehiro, Takashi Ebina, JP 104 1588
Yamagami, Hajime Yokohama, JP 46 900

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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6,567,334 Storage device employing a flash memory 20 2002
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7,002,851 Storage device employing a flash memory 14 2005
7,006,386 Storage device employing a flash memory 14 2005
7,064,995 Storage device employing a flash memory 12 2005
7,082,510 Storage device employing a flash memory 10 2005
7,123,519 Storage device employing a flash memory 6 2005
 
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SOLID STATE STORAGE SOLUTIONS LLC (1)
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SONY CORPORATION (1)
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Sperry Corporation (1)
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TOKYO ELECTRON DEVICE LIMITED (1)
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TOSHIBA GLOBAL COMMERCE SOLUTIONS HOLDINGS CORPORATION (1)
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Other [Check patent profile for assignment information] (2)
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Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
S4, Inc. (2)
7,715,243 Storage device employing a flash memory 3 2007
8,031,536 Storage device employing a flash memory 0 2010
 
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. (1)
8,514,642 Semiconductor memory device 0 2011

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