Patents by Inventor Hung Quoc Nguyen

Hung Quoc Nguyen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11849577
    Abstract: A memory device with memory cell pairs each having a single continuous channel region, first and second floating gates over first and second portions of the channel region, an erase gate over a third portion of the channel region between the first and second channel region portions, and first and second control gates over the first and second floating gates. For each of the pairs of memory cells, the first region is electrically connected to the second region of an adjacent pair of memory cells in the same active region, and the second region is electrically connected to the first region of an adjacent pair of the memory cells in the same active region.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: December 19, 2023
    Assignee: Silicon Storage Technology, Inc.
    Inventors: Hieu Van Tran, Hung Quoc Nguyen, Nhan Do
  • Publication number: 20220320125
    Abstract: A memory device with memory cell pairs each having a single continuous channel region, first and second floating gates over first and second portions of the channel region, an erase gate over a third portion of the channel region between the first and second channel region portions, and first and second control gates over the first and second floating gates. For each of the pairs of memory cells, the first region is electrically connected to the second region of an adjacent pair of memory cells in the same active region, and the second region is electrically connected to the first region of an adjacent pair of the memory cells in the same active region.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 6, 2022
    Inventors: Hieu Van Tran, Hung Quoc Nguyen, Nhan Do
  • Patent number: 11380698
    Abstract: A memory device with memory cell pairs each having a single continuous channel region, first and second floating gates over first and second portions of the channel region, an erase gate over a third portion of the channel region between the first and second channel region portions, and first and second control gates over the first and second floating gates. For each of the pairs of memory cells, the first region is electrically connected to the second region of an adjacent pair of memory cells in the same active region, and the second region is electrically connected to the first region of an adjacent pair of the memory cells in the same active region.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: July 5, 2022
    Assignee: Silicon Storage Technology, Inc.
    Inventors: Hieu Van Tran, Hung Quoc Nguyen, Nhan Do
  • Patent number: 11231078
    Abstract: A method and apparatus for an automobile's magneto-rheological brake (MRB) are disclosed which include: a shaft connected to a stationary housing, a magneto-rheological fluid chamber positioned inside the stationary housing, a rotary disc connected to and rotate with the shaft, a plurality of magnetic coils wound directly onto a lateral side of the MRB chamber.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: January 25, 2022
    Assignee: Ton Duc Thang University
    Inventor: Hung Quoc Nguyen
  • Patent number: 11069411
    Abstract: An improved method and apparatus for programming advanced nanometer flash memory cells is disclosed. In one embodiment, a programming circuit comprises a switch configured to couple a current source to a capacitor during a first mode and to uncouple the current source from the capacitor during the second mode, wherein during the second mode the capacitor is coupled to the gate of a transistor used to program a memory cell.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: July 20, 2021
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Publication number: 20210210144
    Abstract: An improved method and apparatus for programming advanced nanometer flash memory cells is disclosed. In one embodiment, a programming circuit comprises a switch configured to couple a current source to a capacitor during a first mode and to uncouple the current source from the capacitor during the second mode, wherein during the second mode the capacitor is coupled to the gate of a transistor used to program a memory cell.
    Type: Application
    Filed: September 17, 2019
    Publication date: July 8, 2021
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Publication number: 20210190155
    Abstract: A method and apparatus for an automobile's magneto-rheological brake (MRB) are disclosed which include: a shaft connected to a stationary housing, a magneto-rheological fluid chamber positioned inside the stationary housing, a rotary disc connected to and rotate with the shaft, a plurality of magnetic coils wound directly onto a lateral side of the MRB chamber.
    Type: Application
    Filed: August 17, 2015
    Publication date: June 24, 2021
    Applicant: TON DUC THANG UNIVERSITY
    Inventor: Hung Quoc NGUYEN
  • Publication number: 20210175240
    Abstract: A memory device with memory cell pairs each having a single continuous channel region, first and second floating gates over first and second portions of the channel region, an erase gate over a third portion of the channel region between the first and second channel region portions, and first and second control gates over the first and second floating gates. For each of the pairs of memory cells, the first region is electrically connected to the second region of an adjacent pair of memory cells in the same active region, and the second region is electrically connected to the first region of an adjacent pair of the memory cells in the same active region.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 10, 2021
    Inventors: Hieu Van Tran, Hung Quoc Nguyen, Nhan Do
  • Publication number: 20210082516
    Abstract: An improved method and apparatus for programming advanced nanometer flash memory cells is disclosed. In one embodiment, a programming circuit comprises a switch configured to couple a current source to a capacitor during a first mode and to uncouple the current source from the capacitor during the second mode, wherein during the second mode the capacitor is coupled to the gate of a transistor used to program a memory cell.
    Type: Application
    Filed: September 17, 2019
    Publication date: March 18, 2021
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Patent number: 10460810
    Abstract: An improved method and apparatus for programming advanced nanometer flash memory cells is disclosed.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: October 29, 2019
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Patent number: 10373686
    Abstract: A three-dimensional flash memory system is disclosed. The system comprises a memory array comprising a plurality of stacked dies, where each die comprises memory cells. The system further comprises a plurality of pins, where the function of at least some of the pins can be configured using a mechanism that selects a function for those pins from a plurality of possible functions.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: August 6, 2019
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Hung Quoc Nguyen, Mark Reiten
  • Patent number: 10325666
    Abstract: During a program, read, or erase operation of one or more non-volatile flash memory cells in an array of non-volatile flash memory cells, a negative voltage can be applied to the word lines and/or coupling gates of the selected or unselected non-volatile flash memory cells. The negative voltage is generated by a negative high voltage level shifter using one of several embodiments disclosed herein.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: June 18, 2019
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Patent number: 10312248
    Abstract: A memory device with memory cell pairs each having a single continuous channel region, first and second floating gates over first and second portions of the channel region, an erase gate over a third portion of the channel region between the first and second channel region portions, and first and second control gates over the first and second floating gates. For each of the pairs of memory cells, the first region is electrically connected to the second region of an adjacent pair of memory cells in the same active region, and the second region is electrically connected to the first region of an adjacent pair of the memory cells in the same active region.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: June 4, 2019
    Assignee: Silicon Storage Technology, Inc.
    Inventors: Hieu Van Tran, Hung Quoc Nguyen, Nhan Do
  • Publication number: 20190164984
    Abstract: A memory device with memory cell pairs each having a single continuous channel region, first and second floating gates over first and second portions of the channel region, an erase gate over a third portion of the channel region between the first and second channel region portions, and first and second control gates over the first and second floating gates. For each of the pairs of memory cells, the first region is electrically connected to the second region of an adjacent pair of memory cells in the same active region, and the second region is electrically connected to the first region of an adjacent pair of the memory cells in the same active region.
    Type: Application
    Filed: January 31, 2019
    Publication date: May 30, 2019
    Inventors: Hieu Van Tran, Hung Quoc Nguyen, Nhan Do
  • Patent number: 10297327
    Abstract: The present invention relates to a flash memory system comprising one or more sense amplifiers for reading data stored in flash memory cells. The sense amplifiers utilize fully depleted silicon-on-insulator transistors to minimize leakage. The fully depleted silicon-on-insulator transistors comprise one or more fully depleted silicon-on-insulator NMOS transistors and/or one or more fully depleted silicon-on-insulator PMOS transistors.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: May 21, 2019
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Patent number: 10283206
    Abstract: Improved flash memory sensing circuits are disclosed. In one embodiment, a sensing circuit comprises a memory data read block, a memory reference block, a differential amplifier, and a precharge circuit. The precharge circuit compensates for parasitic capacitance between a bit line coupled to a selected memory cell and adjacent bit lines.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: May 7, 2019
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen, Vipin Tiwari
  • Publication number: 20190115088
    Abstract: During a program, read, or erase operation of one or more non-volatile flash memory cells in an array of non-volatile flash memory cells, a negative voltage can be applied to the word lines and/or coupling gates of the selected or unselected non-volatile flash memory cells. The negative voltage is generated by a negative high voltage level shifter using one of several embodiments disclosed herein.
    Type: Application
    Filed: December 12, 2018
    Publication date: April 18, 2019
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Patent number: 10216242
    Abstract: A system and method for improved power sequencing within an embedded flash memory device is disclosed. Various power-on sequences and power-down sequences for a plurality of voltage sources are utilized to improve the performance of an embedded flash memory device. The plurality of voltage sources can be used for different purposes within the embedded flash memory device.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: February 26, 2019
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Thuan Vu, Anh Ly, Hung Quoc Nguyen
  • Patent number: 10186322
    Abstract: A non-volatile memory device comprises a semiconductor substrate of a first conductivity type. An array of non-volatile memory cells is located in the semiconductor substrate and arranged in a plurality of rows and columns. Each memory cell comprises a first region on a surface of the semiconductor substrate of a second conductivity type, and a second region on the surface of the semiconductor substrate of the second conductivity type. A channel region is between the first region and the second region. A word line overlies a first portion of the channel region and is insulated therefrom, and adjacent to the first region and having little or no overlap with the first region. A floating gate overlies a second portion of the channel region, is adjacent to the first portion, and is insulated therefrom and is adjacent to the second region. A coupling gate overlies the floating gate. A bit line is connected to the first region.
    Type: Grant
    Filed: November 27, 2016
    Date of Patent: January 22, 2019
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen
  • Patent number: 10141062
    Abstract: A circuit and method are disclosed for operating a non-volatile memory device, comprising time sampling a reference current or voltage in a floating holding node to obtain a hold voltage and applying the hold voltage in sensing circuitry.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: November 27, 2018
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Anh Ly, Thuan Vu, Hung Quoc Nguyen, Viet Tan Nguyen