Patents by Inventor To Van Tran

To Van Tran 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).

  • Publication number: 20240098991
    Abstract: In one example, a system comprises an array comprising selected memory cells; an input block configured to apply, to each selected memory cell, a series of input signals to a terminal of the selected memory cell in response to a series of input bits; and an output block for generating an output of the selected memory cells, the output block comprising an analog-to-digital converter to convert current from the selected memory cells into a digital value, a shifter, an adder, and a register; wherein the shifter, adder, and register are configured to receive a series of digital values in response to the series of input bits, shift each digital value in the series of digital values based on a bit location of an input bit within the series of input bits, and add results of the shift operations to generate an output indicating values stored in the selected memory cells.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: Hieu Van Tran, Thuan Vu, Stephen Trinh, Stanley Hong, Toan Le, Nghia Le, Hien Pham
  • Publication number: 20240095511
    Abstract: In one example, a circuit comprises an input transistor comprising a first terminal, a second terminal coupled to ground, and a gate; a capacitor comprising a first terminal and a second terminal; an output transistor comprising a first terminal providing an output current, a second terminal coupled to ground, and a gate; a first switch; and a second switch; wherein in a first mode, the first switch is closed and couples an input current to the first terminal of the input transistor and the gate of the input transistor and the second switch is closed and couples the first terminal of the input transistor to the first terminal of the capacitor and the gate of the output transistor, and in a second mode, the first switch is open and the second switch is open and the capacitor discharges into the gate of the output transistor.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Hieu Van TRAN, Vipin TIWARI, Mark REITEN, Nhan DO
  • Publication number: 20240095508
    Abstract: In one example, a system comprises a vector-by-matrix multiplication array comprising non-volatile memory cells organized into rows and columns; a plurality of word lines coupled respectively to rows of the vector-by-matrix multiplication array; and a word line driver coupled to the plurality of word lines, the word line driver comprising a plurality of select transistors coupled to a common control line and the plurality of word lines, and a plurality of bias transistors coupled to the plurality of select transistors and capable of providing a bias voltage to a single select transistor in the plurality of select transistors or to all of plurality of select transistors in response to control signals.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: HIEU VAN TRAN, STANLEY HONG, AHN LY, THUAN VU, HIEN PHAM, KHA NGUYEN, HAN TRAN
  • Publication number: 20240095509
    Abstract: In one example, a neural network device comprises a first plurality of synapses configured to receive a first plurality of inputs and to generate therefrom a first plurality of outputs, wherein the first plurality of synapses comprises a plurality of memory cells, each of the plurality of memory cells configured to store a weight value corresponding to a number of electrons on its floating gate and the plurality of memory cells are configured to generate the first plurality of outputs based upon the first plurality of inputs and the stored weight values.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: Hieu Van Tran, STANLEY HONG, ANH LY, THUAN VU, HIEN PHAM, KHA NGUYEN, HAN TRAN
  • Patent number: 11935594
    Abstract: Various embodiments of tandem row decoders are disclosed. Each embodiment of a tandem row decoder comprises a word line decoder and a control gate decoder. The tandem row decoder exhibits reduced leakage current on the word line and the control gate line when the tandem row decoder is not enabled.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: March 19, 2024
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Thuan Vu, Stanley Hong, Stephen Trinh, Anh Ly
  • Patent number: 11926516
    Abstract: The present application provides a beverage dispenser capable of dispensing one or more limited time offering beverages. The beverage dispenser may include a dispensing valve, a limited time offering ingredient source, and a limited time offering circuit extending between the dispensing valve and the limited time offering ingredient source. The limited time offering circuit may include a stainless steel line extending between the dispensing valve and the limited time offering ingredient source.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 12, 2024
    Assignee: THE COCA-COLA COMPANY
    Inventors: Son Van Tran, Douglas J. McDougall, Patrick May
  • Publication number: 20240079064
    Abstract: In one example, a system comprises a neural network array of non-volatile memory cells arranged in rows and columns; and a logical cell comprising a first plurality of non-volatile memory cells in a first row of the array and a second plurality of non-volatile memory cells in a second row adjacent to the first row; wherein the first plurality of non-volatile memory cells and the second plurality of non-volatile memory cells are configured as one or more coarse cells and one or more fine cells.
    Type: Application
    Filed: April 26, 2023
    Publication date: March 7, 2024
    Inventors: Hieu Van Tran, Stanley Hong, Stephen Trinh, Thuan Vu, Steven Lemke, Vipin Tiwari, Nhan Do
  • Patent number: 11915747
    Abstract: Numerous examples for performing tuning of a page or a word of non-volatile memory cells in an analog neural memory are disclosed. In one example, an analog neural memory system comprises an array of non-volatile memory cells arranged into rows and columns, each non-volatile memory cell comprising a word line terminal, a bit line terminal, and an erase gate terminal; a plurality of word lines, each word line coupled to word line terminals of a row of non-volatile memory cells; a plurality of bit lines, each bit line coupled to bit line terminals of a column of non-volatile memory cells; and a plurality of erase gate enable transistors, each erase gate enable transistor coupled to erase gate terminals of a word of non-volatile memory cells.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: February 27, 2024
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Thuan Vu, Stephen Trinh, Stanley Hong, Anh Ly, Steven Lemke, Vipin Tiwari, Nhan Do
  • Publication number: 20240062812
    Abstract: In one example, a method comprises programming a memory cell capable of storing any of N values with 1 of the N values; applying a series of currents of increasing size to a bit line of the memory cell; comparing a voltage of the bit line to a reference voltage to generate a comparison output; and when the comparison output changes value, measuring a voltage of a control gate terminal of the memory cell and storing the voltage in a bias lookup table.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Inventor: Hieu Van Tran
  • Publication number: 20240062813
    Abstract: A first example comprises programming a memory cell to store a value; applying a series of currents of increasing size to a bit line of the memory cell; and measuring a voltage of a control gate terminal of the memory cell to determine a bias. A second example comprises programming a memory cell to store a value; applying a predetermined current to a bit line of the memory cell; and measuring a voltage of a control gate terminal of the memory cell to determine a bias.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Inventor: Hieu Van Tran
  • Patent number: 11908513
    Abstract: Numerous embodiments of analog neural memory arrays are disclosed. In one embodiment, a system comprises a first array of non-volatile memory cells, wherein the cells are arranged in rows and columns and the non-volatile memory cells in one or more of the columns stores W+ values, and wherein one of the columns in the first array is a dummy column; and a second array of non-volatile memory cells, wherein the cells are arranged in rows and columns and the non-volatile memory cells in one or more of the columns stores W? values, and wherein one of the columns in the second array is a dummy column; wherein pairs of cells from the first array and the second array store a differential weight, W, according to the formula W=(W+)?(W?).
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: February 20, 2024
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Thuan Vu, Stephen Trinh, Stanley Hong, Anh Ly, Vipin Tiwari
  • Patent number: 11893478
    Abstract: Numerous embodiments are disclosed for programmable output blocks for use with a VMM array within an artificial neural network. In one embodiment, the gain of an output block can be configured by a configuration signal. In another embodiment, the resolution of an ADC in the output block can be configured by a configuration signal.
    Type: Grant
    Filed: July 5, 2021
    Date of Patent: February 6, 2024
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventor: Hieu Van Tran
  • Patent number: 11875852
    Abstract: Numerous embodiments of analog neural memory arrays are disclosed. Certain embodiments comprise an adaptive bias decoder for providing additional bias to array input lines to compensate for instances where ground floats above 0V. This is useful, for example, to minimize the voltage drop for a read, program, or erase operation while maintaining accuracy in the operation.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: January 16, 2024
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Thuan Vu, Stanley Hong, Stephen Trinh, Anh Ly, Nhan Do, Mark Reiten
  • Patent number: 11868712
    Abstract: A method for partially publishing edits to a document is described. A first document including a first cell and a second cell is displayed on first user account on a first computing device and on a second user account. A second document including a linked version of the first cell and a linked version of the second cell is displayed. An edit of the first cell is received from the first user account and an edit of the second cell is received. In response to receiving an indication from the first user account that the edit of the first cell is to be published, the edit of the first cell is made to the linked version of the first cell, while the linked version of the second cell is unchanged so that the content of the linked version of the second cell no longer matches that of the second cell.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: January 9, 2024
    Assignee: WORKIVA INC.
    Inventors: Hannah Joy Deering, Thieu Van Tran Pham, Travis Smith, Edward Joseph Cupps, Aaron David Hall, Matthew Peter Hinrichsen, Ryan A. King, Joshua John Przybyszewski, Madelyn Renee Stephens
  • Patent number: 11851329
    Abstract: A method and system for reforming CO2 rich natural gases is disclosed which comprises: a cold plasma unit configured to convert CO2 rich natural gases into a plasma state; and a gas reforming reactor configured to reform said CO2 rich gas mixture at said plasma state into a syngas. The catalytic reforming reactor is separate and different from the DBD cold plasma unit. Means for latent heat of condensation, endothermic/exothermic reactions, and convection currents is used to achieve energy efficiency.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: December 26, 2023
    Assignee: Vietnam Petroleum Institute (VPI)
    Inventors: Phuong Thuy Ngo, Nguyen Phuc Le, Tri Van Tran, Thuy Ngoc Luong
  • Patent number: 11853856
    Abstract: An artificial neural network device that utilizes one or more non-volatile memory arrays as the synapses. The synapses are configured to receive inputs and to generate therefrom outputs. Neurons are configured to receive the outputs. The synapses include a plurality of memory cells, wherein each of the memory cells includes spaced apart source and drain regions formed in a semiconductor substrate with a channel region extending there between, a floating gate disposed over and insulated from a first portion of the channel region and a non-floating gate disposed over and insulated from a second portion of the channel region. Each of the plurality of memory cells is configured to store a weight value corresponding to a number of electrons on the floating gate. The plurality of memory cells are configured to multiply the inputs by the stored weight values to generate the outputs. Various algorithms for tuning the memory cells to contain the correct weight values are disclosed.
    Type: Grant
    Filed: January 18, 2020
    Date of Patent: December 26, 2023
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Farnood Merrikh Bayat, Xinjie Guo, Dmitri Strukov, Nhan Do, Hieu Van Tran, Vipin Tiwari, Mark Reiten
  • Patent number: 11847556
    Abstract: Numerous examples of a precision programming apparatus are disclosed for precisely and quickly depositing the correct amount of charge on the floating gate of a non-volatile memory cell within a vector-by-matrix multiplication (VMM) array in an artificial neural network. In one example, a neuron output circuit for providing a current to program as a weight value in a selected memory cell in a vector-by-matrix multiplication array is disclosed, the neuron output circuit comprising a first adjustable current source to generate a scaled current in response to a neuron current to implement a positive weight, and a second adjustable current source to generate a scaled current in response to a neuron current to implement a negative weight.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: December 19, 2023
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Steven Lemke, Vipin Tiwari, Nhan Do, Mark Reiten
  • 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
  • Patent number: 11847557
    Abstract: Numerous embodiments are disclosed for compensating for differences in the slope of the current-voltage characteristic curve among reference transistors, reference memory cells, and flash memory cells during a read operation in an analog neural memory in a deep learning artificial neural network. In one embodiment, a method comprises receiving an input voltage, multiplying the input voltage by a coefficient to generate an output voltage, applying the output voltage to a gate of a selected memory cell, performing a sense operating using the selected memory cell and a reference device to determine a value stored in the selected memory cell, wherein a slope of a current-voltage characteristic curve of the reference device and a slope of the current-voltage characteristic curve of the selected memory cell are approximately equal during the sense operation.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: December 19, 2023
    Assignee: SILICON STORAGE TECHNOLOGY, INC.
    Inventors: Hieu Van Tran, Vipin Tiwari, Nhan Do
  • Patent number: D1009708
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: January 2, 2024
    Inventor: Khoa Van Tran