1
Bahman Qawami
Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid: Unusable block management within a non-volatile memory system. Sandisk, May 12, 2004: EP1418502-A2 (39 worldwide citation)

Methods and apparatus for tracking defective blocks such that at least some of the defective blocks may be readily identified and tested for usability when desirable are disclosed. According to one aspect of the present invention, a method for identifying spare blocks within a non-volatile memory in ...


2
Bahman Qawami
Chang Robert, Qawami Bahman, Sabet Sharghi Farshid: Wear leveling in non-volatile storage systems. Sandisk Corporation, Chang Robert, Qawami Bahman, Sabet Sharghi Farshid, SU Peggy, May 13, 2004: WO/2004/040578 (31 worldwide citation)

Methods and apparatus for performing wear leveling in a non-volatile memory system are disclosed. According to one aspect of the present invention, a method for allocating non-volatile memory that is divided into elements includes grouping the elements into a first group, a second group, and a third ...


3
Bahman Qawami
Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid: Method and apparatus for splitting a logical block. Sandisk Corporation, Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid, SU Peggy A, May 13, 2004: WO/2004/040455 (30 worldwide citation)

Methods and apparatus for splitting a single logical block into two or more physical blocks are disclosed. According to one aspect of the present invention, a method for associating a plurality of physical blocks of a non-volatile memory with a logical block that includes of logical block elements i ...


4
Bahman Qawami
Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid: Method and apparatus for grouping pages within a block. Sandisk Corporation, Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid, SU Peggy A, May 13, 2004: WO/2004/040453 (27 worldwide citation)

Methods and apparatus for efficiently enabling pages within a block to be accessed are disclosed. According to one aspect of the present invention, a method for writing data into a first block in a non-volatile memory which includes pages that are grouped into groups which each include two or more p ...


5
Bahman Qawami
Changrobert C, Qawami Bahman, Sabet Sharghi Farshid: Tracking the least frequently erased blocks in non-volatile memory systems. Sandisk Corporation, Changrobert C, Qawami Bahman, Sabet Sharghi Farshid, SU Peggy A, May 13, 2004: WO/2004/040459 (20 worldwide citation)

Method and apparatus for performing wear leveling in a non-volatile memory system are disclosed. According to one aspect of the present invention, one method for processing elements included in a non-volatile memory of a memory system includes obtaining erase counts associated with elements and grou ...


6
Bahman Qawami
Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid: Hybrid implementation for error correction codes within a non-volatile memory system. Sandisk, June 2, 2004: EP1424631-A1 (19 worldwide citation)

Methods and apparatus for using different error correction code algorithms to encode and to decode contents of blocks within a non-volatile memory are disclosed. According to one aspect of the present invention, a method for storing data within a non-volatile memory includes identifying a first bloc ...


7
Bahman Qawami
Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron, Hagai Bar El: Memory system with versatile content control. Sandisk Corporation, Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron, Hagai Bar El, Discretix Technologies, HSUE James S, June 29, 2006: WO/2006/069194 (19 worldwide citation)

The owner of proprietor interest is in a better position to control access to the encrypted content in the medium if the encryption-decryption key is stored in the medium itself and substantially inaccessible to external devices. Only those host devices with the proper credentials are able to access ...


8
Bahman Qawami
Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron: Control structure for versatile content control and method using structure. Sandisk Corporation, Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron, HSUE James S, June 29, 2006: WO/2006/069311 (16 worldwide citation)

A tree structure stored in the storage medium provides control over what an entity can do even after gaining access. Each of the nodes of the tree specifies permissions by an entity who has gained entry through such node of the tree. Some trees have different levels, where the permission or permissi ...


9
Bahman Qawami
Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron: Versatile content control with partitioning. Sandisk Corporation, Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron, GENIN Kent E, June 29, 2006: WO/2006/069274 (15 worldwide citation)

In some mobile storage devices, content protection is afforded by dividing the memory into separate areas where access to protected areas requires prior authentication. While such feature does provide some protection, it does not protect against a user who obtained a password by illicit means. Thus, ...


10
Bahman Qawami
Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron: System for creating control structure for versatile content control. Sandisk Corporation, Jogand Coulomb Fabrice, Holtzman Michael, Qawami Bahman, Barzilai Ron, HETZ Joseph F, June 29, 2006: WO/2006/069312 (12 worldwide citation)

The mobile storage device may be provided with a system agent that is able to create at least one hierarchical tree comprising nodes at different levels for controlling access to data stored in the memory by corresponding entities. Each node of the tree specifies permission or permissions of a corre ...



Click the thumbnails below to visualize the patent trend.