Patents by Inventor Tetsuo Taniguchi

Tetsuo Taniguchi 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: 12047076
    Abstract: A semiconductor device includes: a first input to which an input signal is input; a second input to which a reference signal is input; and a comparison stage which includes a current source connected to a first potential and first and second current path parts connected between the current source and a second potential different from the first potential and performing a comparison operation in response to the input signal and the reference signal, wherein the first and second current path parts respectively include first and second input circuits which are connected to the current source and first and second load circuits which are connected between the second potential and the first and second input circuits, wherein the first input circuit includes a first signal transistor and a first reference transistor, and wherein the second input circuit includes a second signal transistor and a second reference transistor.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: July 23, 2024
    Assignee: LAPIS Technology Co., Ltd.
    Inventors: Shingo Taniguchi, Tetsuo Oomori
  • Patent number: 11984865
    Abstract: A band pass filter includes filter circuits, first and second intermediate circuits, and a first capacitor. The first intermediate circuit includes an inductor connected between second and third capacitors. The second intermediate circuit includes an inductor connected between third and fourth capacitors. Resonant circuits included in the filter circuit are connected to ground via a common capacitor. Resonant circuits included in the filter circuit are connected to the ground via a common capacitor. The first capacitor is connected between the first and second intermediate circuits.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: May 14, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tetsuo Taniguchi
  • Publication number: 20230188110
    Abstract: A filter device includes a dielectric substrate, first and second ground electrodes connected to a ground terminal, and resonators between the ground electrodes and electromagnetically coupled to each other. The ground electrodes are at different positions in a normal direction of the dielectric substrate. Each of the resonators includes a first capacitor electrode partially overlapping with the first ground electrode in plan view of the dielectric substrate, a second capacitor electrode partially overlapping with the second ground electrode in plan view of the dielectric substrate, and a via connecting the capacitor electrodes. The resonators include a first resonator connected to an input terminal, a second resonator connected to an output terminal, and a third resonator between the first and second resonators. Shunt electrodes are connected to the via and the ground terminal in the first and second resonators, respectively.
    Type: Application
    Filed: February 3, 2023
    Publication date: June 15, 2023
    Inventors: Tetsuo TANIGUCHI, Masayuki KIKUDA
  • Publication number: 20220337215
    Abstract: A band pass filter includes filter circuits, first and second intermediate circuits, and a first capacitor. The first intermediate circuit includes an inductor connected between second and third capacitors. The second intermediate circuit includes an inductor connected between third and fourth capacitors. Resonant circuits included in the filter circuit are connected to ground via a common capacitor. Resonant circuits included in the filter circuit are connected to the ground via a common capacitor. The first capacitor is connected between the first and second intermediate circuits.
    Type: Application
    Filed: July 5, 2022
    Publication date: October 20, 2022
    Inventor: Tetsuo TANIGUCHI
  • Publication number: 20220131516
    Abstract: A diplexer includes a low-band band pass filter between a common input/output terminal and a low-band input/output terminal and a high-band band pass filter between the common input/output terminal and a high-band input/output terminal, wherein the low-band band pass filter includes LC resonators including a first-stage LC resonator to a final-stage LC resonator in order from the common input/output terminal toward the low-band input/output terminal, the high-band band pass filter includes LC resonators including a first-stage LC resonator to a final-stage LC resonator in order from the common input/output terminal toward the high-band input/output terminal, a matching capacitor is between the common input/output terminal and the low-band band pass filter, and the capacitance of a capacitor of the first-stage LC resonator of the low-band band pass filter is smaller than the capacitance of a capacitor of the final-stage LC resonator.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 28, 2022
    Inventors: Yuutarou YAMAZAKI, Hiroto MOTOYAMA, Tetsuo TANIGUCHI, Yuji KAMINISHI
  • Patent number: 11201599
    Abstract: A band pass filter includes a first filter circuit, a second filter circuit, a first intermediate circuit, a second intermediate circuit, and a ninth capacitor. The first intermediate circuit includes a seventh inductor connected between a fifth capacitor and a sixth capacitor. The second intermediate circuit includes an eighth inductor connected between a seventh capacitor and an eighth capacitor. The ninth capacitor is connected between the first intermediate circuit and the second intermediate circuit.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: December 14, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tetsuo Taniguchi
  • Patent number: 11108369
    Abstract: A band pass filter is provided with a first filter circuit which includes a first resonant circuit including a first inductor and a second resonant circuit including a second inductor, a second filter circuit which includes a third resonant circuit including a third inductor and a fourth resonant circuit including a fourth inductor, and a fifth resonant circuit including a fifth inductor. The fifth inductor is electromagnetically coupled to each of the first inductor, the second inductor, the third inductor, and the fourth inductor.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: August 31, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tetsuo Taniguchi
  • Patent number: 11088669
    Abstract: In a band pass filter, a signal input into a first terminal is transmitted to a first LC resonator and a second LC resonator in this order and is then output from a second terminal. The band pass filter includes a third inductor and a third capacitor. A first end of the third inductor is electrically connected to the ground. The third capacitor is electrically connected between a second end of the third inductor and a node between the first LC resonator and the second LC resonator.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: August 10, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tetsuo Taniguchi
  • Publication number: 20210126609
    Abstract: A band pass filter includes a first filter circuit, a second filter circuit, a first intermediate circuit, a second intermediate circuit, and a ninth capacitor. The first intermediate circuit includes a seventh inductor connected between a fifth capacitor and a sixth capacitor. The second intermediate circuit includes an eighth inductor connected between a seventh capacitor and an eighth capacitor. The ninth capacitor is connected between the first intermediate circuit and the second intermediate circuit.
    Type: Application
    Filed: January 8, 2021
    Publication date: April 29, 2021
    Inventor: Tetsuo TANIGUCHI
  • Patent number: 10944376
    Abstract: An LC resonator includes a laminate body including dielectric layers that are laminated in a lamination direction. The LC resonator includes a first capacitor, a second capacitor, and an inductor connected between the first capacitor and the second capacitor. A first end of the inductor is isolated in a direct current from a ground node by the first capacitor. A second end of the inductor is isolated in a direct current from the ground node by the second capacitor.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 9, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tetsuo Taniguchi
  • Publication number: 20210044269
    Abstract: A band pass filter is provided with a first filter circuit which includes a first resonant circuit including a first inductor and a second resonant circuit including a second inductor, a second filter circuit which includes a third resonant circuit including a third inductor and a fourth resonant circuit including a fourth inductor, and a fifth resonant circuit including a fifth inductor. The fifth inductor is electromagnetically coupled to each of the first inductor, the second inductor, the third inductor, and the fourth inductor.
    Type: Application
    Filed: July 17, 2020
    Publication date: February 11, 2021
    Inventor: Tetsuo TANIGUCHI
  • Patent number: 10911014
    Abstract: An electronic component includes a first terminal, a second terminal, a first capacitor electrode, a second capacitor electrode, and a third capacitor electrode. The third capacitor electrode is connected to the first terminal. The first capacitor electrode defines a first capacitor along with the third capacitor electrode. The second capacitor electrode defines a second capacitor along with the third capacitor electrode. The second capacitor electrode is connected to the second terminal. A plurality of dielectric layers include a connection layer where a first portion of the first terminal and a second portion of the second terminal are disposed. An inductance of a path from the second capacitor electrode to the second portion is lower than an inductance of a path from the third capacitor electrode to the first portion.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: February 2, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tetsuo Taniguchi, Kiyohiro Kashiuchi
  • Publication number: 20200266793
    Abstract: In a band pass filter, a signal input into a first terminal is transmitted to a first LC resonator and a second LC resonator in this order and is then output from a second terminal. The band pass filter includes a third inductor and a third capacitor. A first end of the third inductor is electrically connected to the ground. The third capacitor is electrically connected between a second end of the third inductor and a node between the first LC resonator and the second LC resonator.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 20, 2020
    Inventor: Tetsuo TANIGUCHI
  • Patent number: 10727806
    Abstract: A balun includes a first LC resonator, a second LC resonator, a third LC resonator, and a fourth LC resonator. The second LC resonator is magnetically coupled with the first LC resonator. The fourth LC resonator is magnetically coupled with the third LC resonator and electrically connected between a third terminal and a fourth terminal in parallel with the second LC resonator. Each of the first LC resonator and the second LC resonator has a resonant frequency that is a first resonant frequency. Each of the third LC resonator and the fourth LC resonator has a resonant frequency that is a second resonant frequency higher than the first resonant frequency.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: July 28, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Tetsuo Taniguchi
  • Patent number: 10601390
    Abstract: A small-sized balance filter includes an unbalanced terminal and two pairs of balanced terminals and has a low signal insertion loss. An unbalanced terminal, a first balanced terminal including first and second terminals, and a second balanced terminal Rx including first and second terminals are provided. An unbalanced-side inductor is provided between the unbalanced terminal and the ground, first balanced-side inductors are provided between the first and second terminals of the first balanced terminal, second balanced-side inductors are provided between the first and second terminals of the second balanced terminal, and the unbalanced-side inductor is electromagnetic-field-coupled to each of the first and second balanced-side inductors.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: March 24, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tetsuo Taniguchi
  • Publication number: 20200044622
    Abstract: An electronic component includes a first terminal, a second terminal, a first capacitor electrode, a second capacitor electrode, and a third capacitor electrode. The third capacitor electrode is connected to the first terminal. The first capacitor electrode defines a first capacitor along with the third capacitor electrode. The second capacitor electrode defines a second capacitor along with the third capacitor electrode. The second capacitor electrode is connected to the second terminal. A plurality of dielectric layers include a connection layer where a first portion of the first terminal and a second portion of the second terminal are disposed. An inductance of a path from the second capacitor electrode to the second portion is lower than an inductance of a path from the third capacitor electrode to the first portion.
    Type: Application
    Filed: October 9, 2019
    Publication date: February 6, 2020
    Inventors: Tetsuo TANIGUCHI, Kiyohiro KASHIUCHI
  • Publication number: 20190386629
    Abstract: A balun includes a first LC resonator, a second LC resonator, a third LC resonator, and a fourth LC resonator. The second LC resonator is magnetically coupled with the first LC resonator. The fourth LC resonator is magnetically coupled with the third LC resonator and electrically connected between a third terminal and a fourth terminal in parallel with the second LC resonator. Each of the first LC resonator and the second LC resonator has a resonant frequency that is a first resonant frequency. Each of the third LC resonator and the fourth LC resonator has a resonant frequency that is a second resonant frequency higher than the first resonant frequency.
    Type: Application
    Filed: August 27, 2019
    Publication date: December 19, 2019
    Inventor: Tetsuo TANIGUCHI
  • Publication number: 20190305745
    Abstract: An LC resonator includes a laminate body including dielectric layers that are laminated in a lamination direction. The LC resonator includes a first capacitor, a second capacitor, and an inductor connected between the first capacitor and the second capacitor. A first end of the inductor is isolated in a direct current from a ground node by the first capacitor. A second end of the inductor is isolated in a direct current from the ground node by the second capacitor.
    Type: Application
    Filed: May 31, 2019
    Publication date: October 3, 2019
    Inventor: Tetsuo TANIGUCHI
  • Patent number: 10110191
    Abstract: A laminate defining a high-frequency laminated component includes a ground electrode on a bottom surface of a lowermost insulating layer. A second insulating layer includes an inner-layer ground electrode arranged over substantially the entire surface thereof. A portion from a third insulating layer to a fifth insulating layer is provided with a capacitor electrode defining a series capacitor of a ground impedance adjustment circuit and capacitor electrodes defining a first parallel capacitor and a second parallel capacitor. A sixth insulating layer has an inner-layer ground electrode provided over substantially the entire surface thereof. The inner-layer ground electrodes are arranged in electrical continuity with the ground electrode by via holes.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: October 23, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tetsuo Taniguchi
  • Publication number: 20180234073
    Abstract: A small-sized balance filter includes an unbalanced terminal and two pairs of balanced terminals and has a low signal insertion loss. An unbalanced terminal, a first balanced terminal including first and second terminals, and a second balanced terminal Rx including first and second terminals are provided. An unbalanced-side inductor is provided between the unbalanced terminal and the ground, first balanced-side inductors are provided between the first and second terminals of the first balanced terminal, second balanced-side inductors are provided between the first and second terminals of the second balanced terminal, and the unbalanced-side inductor is electromagnetic-field-coupled to each of the first and second balanced-side inductors.
    Type: Application
    Filed: April 12, 2018
    Publication date: August 16, 2018
    Inventor: Tetsuo TANIGUCHI