Patents by Inventor Hiroki Noguchi

Hiroki Noguchi 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: 11657873
    Abstract: Disclosed herein is an integrated circuit including multiple magnetic tunneling junction (MTJ) cells coupled to a static random access memory (SRAM). In one aspect, the integrated circuit includes a SRAM having a first port and a second port, and a set of pass transistors coupled to the first port of the SRAM. In one aspect, the integrated circuit includes a set of MTJ cells, where each of the set of MTJ cells is coupled between a select line and a corresponding one of the set of pass transistors.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: May 23, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Perng-Fei Yuh, Yih Wang, Ku-Feng Lin, Jui-Che Tsai, Hiroki Noguchi, Fu-An Wu
  • Publication number: 20230154533
    Abstract: A memory device is provided. The memory device includes several sense amplifiers and at least one reference cell. Each of the sense amplifiers has a first terminal and a second terminal. The first terminals of the sense amplifiers are coupled to a memory cell block, and the second terminals of the sense amplifiers are coupled together to transmit a read current. The at least one reference cell transmits the read current to a ground terminal. The at least one reference cell has a decreased resistance value when a number N of the sense amplifiers increases.
    Type: Application
    Filed: January 19, 2023
    Publication date: May 18, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hiroki NOGUCHI, Ku-Feng LIN
  • Publication number: 20230147686
    Abstract: A memory device has a plurality of bit cells, each of which includes an SRAM cell having a storage node selectively connectable to a first bit line in response to a control signal received on a first word line. Each bit cell further includes an MRAM cell selectively connectable to the storage node of the SRAM cell in response to a control signal received on a second word line.
    Type: Application
    Filed: January 2, 2023
    Publication date: May 11, 2023
    Inventors: Perng-Fei Yuh, Jui-Che Tsai, Hiroki Noguchi, Yih Wang
  • Patent number: 11631440
    Abstract: A sensing amplifier, coupled to at least one memory cell, includes an output terminal and a reference terminal, a multiplexer circuit, and a plurality of reference cells having equal value. An output terminal of the multiplexer circuit is coupled to the reference terminal of the sensing amplifier. Each of the reference cell is coupled to each input node of the multiplexer circuit. The multiplexer circuit is controlled by a control signal to select one of the reference cells as a selected reference cell to couple to the reference terminal of the sensing amplifier when each read operation to the at least one memory cell is performed. The plurality of reference cells are selected sequentially and repeatedly, and the one of the reference cells is selected for one read operation to the at least one memory cell.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: April 18, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hiroki Noguchi, Ku-Feng Lin, Yih Wang
  • Patent number: 11605427
    Abstract: A memory device includes: a memory cell array comprising a plurality of memory cells; a temperature sensor configured to detect a temperature of the memory cell array; a write circuit configured to write data into the plurality of memory cells; and a controller coupled to the temperature sensor and the write circuit, wherein the controller is configured to determine a target write pulse width used by the write circuit based on the detected temperature of the memory device.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: March 14, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Ltd.
    Inventors: Hiroki Noguchi, Yu-Der Chih, Yih Wang
  • Patent number: 11575387
    Abstract: An encode apparatus and an encode method may be provided. The encoding apparatus may comprise a first stage and a second stage. The first stage may be configured to receive a first input, decode the first input, and produce a first output comprising the decoded first input. The second stage may be configured to receive a second input, receive the first output from the first stage, and convert the first input and the second input from a first coding system to a second coding system based on the second input and the first output. The second stage may produce a second output comprising the converted first input and the converted second input.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: February 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Win-San Khwa, Hiroki Noguchi, Ku-Feng Lin
  • Patent number: 11574676
    Abstract: A memory device is disclosed. The memory device includes at least one reference cell and multiple sense amplifiers. The at least one reference cell having a first terminal coupled to a ground. Each of the sense amplifiers has a first terminal and a second terminal. The first terminal is coupled to one of multiple first data lines, and the second terminal is coupled to a second terminal of the at least one reference cell.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: February 7, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hiroki Noguchi, Ku-Feng Lin
  • Patent number: 11545218
    Abstract: A memory device has a plurality of bit cells, each of which includes an SRAM cell having a storage node selectively connectable to a first bit line in response to a control signal received on a first word line. Each bit cell further includes an MRAM cell selectively connectable to the storage node of the SRAM cell in response to a control signal received on a second word line.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: January 3, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Perng-Fei Yuh, Jui-Che Tsai, Hiroki Noguchi, Yih Wang
  • Publication number: 20220387464
    Abstract: The present invention further provides a composition for inhibiting purine body absorption, a composition for inhibiting purine nucleotide metabolism, a composition for inhibiting phosphatase, a composition for inhibiting uric acid level elevation, a composition for improving blood pressure, a composition for improving blood glucose level, a composition for improving liver function, a composition for controlling serum iron level, or a composition for promoting calcium absorption, comprising an inositol phosphate or a salt thereof. The present invention further provides a composition comprising an inositol phosphate or a salt thereof, wherein the taste thereof is improved by adding thereto a predetermined amount of calcium lactate.
    Type: Application
    Filed: August 16, 2022
    Publication date: December 8, 2022
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Takeshi IKENAGA, Hiroki NOGUCHI, Chieko KOHASHI, Noriyuki KOUDA, Ayako TAKAISHI
  • Publication number: 20220383934
    Abstract: In some aspects of the present disclosure, a memory device is disclosed. In some aspects, the memory device includes a plurality of memory cells arranged in a plurality of rows and a plurality of columns; a plurality of word lines, each of the word lines coupled to a corresponding row of the memory cells; a plurality of bit lines, each of the bit lines coupled to a corresponding column of the memory cells; and a plurality of second word lines, each of the second word lines coupled to a corresponding column of the memory cells.
    Type: Application
    Filed: May 26, 2021
    Publication date: December 1, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yoshitaka Yamauchi, Meng-Sheng Chang, Hiroki Noguchi, Perng-Fei Yuh
  • Publication number: 20220384714
    Abstract: A magnetic memory device includes a magnetic tunnel junction (MTJ) stack, a spin-orbit torque (SOT) induction wiring disposed over the MTJ stack, a first terminal coupled to a first end of the SOT induction wiring, a second terminal coupled to a second end of the SOT induction wiring, and a selector layer coupled to the first terminal.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 1, 2022
    Inventors: MingYuan SONG, Shy-Jay LIN, William J. GALLAGHER, Hiroki NOGUCHI
  • Publication number: 20220383915
    Abstract: Performing refresh operation in a memory device is provided. A refresh operation without address rotation is performed in a cell array of the memory device. Performing the refresh operation without address rotation is repeated for a predetermined number of times. After repeating performing the refresh operation with address rotation for the predetermined number of times, a refresh operation with address rotation is performed in the cell array.
    Type: Application
    Filed: August 5, 2022
    Publication date: December 1, 2022
    Inventor: Hiroki Noguchi
  • Publication number: 20220366982
    Abstract: A memory device includes: a memory cell array comprising a plurality of memory cells; a temperature sensor configured to detect a temperature of the memory cell array; a write circuit configured to write data into the plurality of memory cells; and a controller coupled to the temperature sensor and the write circuit, wherein the controller is configured to determine a target write pulse width used by the write circuit based on the detected temperature of the memory device.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hiroki Noguchi, Yu-Der Chih, Yih Wang
  • Patent number: 11502241
    Abstract: A magnetic memory device includes a magnetic tunnel junction (MTJ) stack, a spin-orbit torque (SOT) induction wiring disposed over the MTJ stack, a first terminal coupled to a first end of the SOT induction wiring, a second terminal coupled to a second end of the SOT induction wiring, and a selector layer coupled to the first terminal.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: November 15, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: MingYuan Song, Shy-Jay Lin, William J. Gallagher, Hiroki Noguchi
  • Publication number: 20220359613
    Abstract: A method includes depositing a first dielectric layer over a semiconductor substrate, depositing a first electrode layer over the first dielectric layer, etching the first electrode layer to form a first electrode and a second electrode laterally separated from the first electrode, depositing a Spin Orbit Torque (SOT) material on the first electrode and the second electrode, depositing Magnetic Tunnel Junction (MTJ) layers on the SOT material, depositing a second electrode layer on the MTJ layers, etching the SOT material to form a SOT layer extending from the first electrode to the second electrode, etching the MTJ layers to form an MTJ stack on the SOT layer, and etching the second electrode layer to form a top electrode on the MTJ stack.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Inventors: Shy-Jay Lin, MingYuan Song, Hiroki Noguchi
  • Publication number: 20220358973
    Abstract: A memory device includes a plurality of sense amplifiers, a plurality of memory cells, a plurality of data lines, a plurality of reference cells, and a connection line. The memory cells are coupled to a plurality of first inputs of the plurality of sense amplifiers respectively. The data lines are coupled to a plurality of second inputs of the plurality of sense amplifiers respectively. The reference cells are arranged in a plurality of columns respectively and coupled to the plurality of data line respectively. Each of the plurality of reference cells includes a plurality of resistive elements. The connection line is coupled to the plurality of data lines. In a read mode, one of the sense amplifiers is configured to access the plurality of resistive elements arranged in at least one of the plurality of columns.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 10, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ku-Feng LIN, Hiroki NOGUCHI
  • Publication number: 20220336037
    Abstract: A memory device includes: a memory cell array comprising a plurality of memory cells, the plurality of memory cells comprising a plurality of data memory cells including a first data memory cell and a plurality of backup memory cells including a first backup memory cell; a storage storing an error table configured to record errors in the plurality of data memory cells, the error table including a plurality of error table entries, each error table entry corresponding to one of the plurality of data memory cell and having an address and a failure count; and a controller configured to replace the first data memory cell with the first backup memory cell based on the error table.
    Type: Application
    Filed: July 1, 2022
    Publication date: October 20, 2022
    Inventors: Hiroki Noguchi, Ku-Feng Lin, Yih Wang
  • Patent number: 11475929
    Abstract: Performing refresh operation in a memory device is provided. A refresh operation without address rotation is performed in a cell array of the memory device. Performing the refresh operation without address rotation is repeated for a predetermined number of times. After repeating performing the refresh operation with address rotation for the predetermined number of times, a refresh operation with address rotation is performed in the cell array.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: October 18, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Hiroki Noguchi
  • Publication number: 20220328455
    Abstract: A 3D IC structure includes multiple die layers, such as a top die layer and a bottom die layer. The top die layer and/or the bottom die layer each includes devices such as computing units, Analog-to-Digital converters, analog circuits, RF circuits, logic circuits, sensors, Input/Output devices, and/or memory devices. The devices on the first and the second die layers are laterally surrounded by, or adjacent, vertical interconnect structures (VIS).
    Type: Application
    Filed: November 30, 2021
    Publication date: October 13, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tzu-Hsien Yang, Hiroki Noguchi, Hidehiro Fujiwara, Yih Wang
  • Publication number: 20220302088
    Abstract: A 3D IC structure includes multiple dies, such as a top die and a bottom die. The top die and/or the bottom die can each include devices such as computing units, Analog-to-Digital converters, analog circuits, RF circuits, logic circuits, sensors, Input/Output devices, and/or memory devices. One or more vertical interconnect structure (VIS) cells are formed adjacent one or more sides of the device. A VIS is formed in some or all of the VIS cells. One or more non-sensitive circuits, such as repeaters, diodes, and/or passive circuits (e.g., resistors, inductors, capacitors, transformers), are disposed in at least one VIS cell.
    Type: Application
    Filed: November 29, 2021
    Publication date: September 22, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tzu-Hsien Yang, Hiroki Noguchi, Mahmut Sinangil, Yih Wang