Patents Assigned to Murata Manufacturing Co., Ltd.
  • Publication number: 20240088841
    Abstract: A radio frequency circuit includes carrier amplifiers and peak amplifiers, transformers, a signal output terminal connected to a first end of an output-side coil, an LC series circuit, and a capacitor. An input-side coil is connected, at its first end, to the carrier amplifier, and is connected, at its second end, to the carrier amplifier. An input-side coil is connected, at its first end, to the peak amplifier, and is connected, at its second end, to the peak amplifier. The LC series circuit is connected between the peak amplifier and the ground. The capacitor is connected to a second end of the output-side coil and a first end of an output-side coil. The output-side coil is connected, at its second end, to the ground.
    Type: Application
    Filed: November 24, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Kenji TAHARA, Yoshiaki SUKEMORI, Kae YAMAMOTO, Ryo WAKABAYASHI, Isao TAKENAKA
  • Publication number: 20240088791
    Abstract: Converter units of a power supply system apparatus each perform feedback control using an individual voltage feedback loop. Master-slave control for synchronizing oscillation control signals is performed in such a manner that master control of the converter unit and slave control of the converter unit are performed. The oscillation control signals are set in such a manner that a phase difference occurs between a plurality of power conversion circuits in association with the number of power conversion circuits that are operate. The power supply system apparatus supplies power to a load, while causing the converter units to be synchronized with each other and performing a voltage conversion operation for converting the voltage of an input power supply using a plurality of power conversion circuits in the converter units.
    Type: Application
    Filed: July 17, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventor: Tatsuya HOSOTANI
  • Publication number: 20240088861
    Abstract: A switch device includes a common terminal, a switch circuit configured to switch between states of conduction between terminals, a switch circuit configured to switch between states of conduction between terminals, and a switch circuit configured to switch between states of conduction between at least one of terminals and a terminal. Switch elements are provided which are disposed on a path connecting the terminals, a path connecting the terminals, a path connecting the terminal and one of the terminals, and a path connecting the terminal and the other one of the terminals, respectively. The above switch element is formed of one or more stacked semiconductor elements, and the number of stacks of the semiconductor elements in the switch element is smaller than that in the switch element.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventor: Koji NOSAKA
  • Publication number: 20240088565
    Abstract: A multilayer board includes a multilayer body including a first radiation conductor layer, a ground conductor layer, a first wiring layer, and a second wiring layer. The first wiring layer is electrically connected to a first radiation conductor layer at a first power supply point positioned closest to a first straight line in a first outer edge and intersects but is not orthogonal to the first straight line in a view along a Z-axis direction. The second wiring layer is electrically connected to the first radiation conductor layer at a second power supply point positioned closest to a second straight line in the first outer edge and intersects but is not orthogonal to the second straight line in a view along the Z-axis direction.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventor: Kentarou KAWABE
  • Publication number: 20240090133
    Abstract: An electronic component package includes a base, a lid, and a bonding layer part. The lid has a first recess. The lid is bonded to the base with a bonding layer part interposed therebetween. The base closes the first recess of the lid. The base and the lid define an internal space of the electronic component package. An electronic component is located in the internal space of the electronic component package. The electronic component is mounted on the base.
    Type: Application
    Filed: August 21, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventor: Norikazu KUME
  • Publication number: 20240087795
    Abstract: A coil component includes a drum core including a winding core portion and first and second flange portions, and first and second wires. A portion of the first wire that first comes into contact with an outer peripheral surface of the winding core portion when the first wire is traced from a first wire end to a second wire end is defined as a 1.0 turn portion of the first wire. A portion of the second wire where an angular position thereof about a central axis first coincides with an angular position of the 1.0 turn portion of the first wire, on a side of a second negative direction with respect to the central axis, when the second wire is traced from a first wire end to a second wire end is defined as a 1.0 turn portion of the second wire.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Hayato TAKAHASHI, Yuki KANBE, Kaori TAKEZAWA, Tetsuya TANIMOTO, Ryota HASHIMOTO
  • Publication number: 20240085787
    Abstract: A photosensitive paste contains a photoinitiator, a photopolymerizable monomer, an alkali-soluble polymer, an inorganic powder, and a radical scavenger. A method for forming a wiring pattern includes a step of forming a photosensitive paste film by applying the photosensitive paste that has electrical conductivity to an insulating sheet; a step of irradiating a portion of the photosensitive paste film with an active energy ray; and a step of forming a wiring pattern by removing an uncured portion of the photosensitive paste film.
    Type: Application
    Filed: July 6, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventor: Isamu MIYAKE
  • Publication number: 20240088574
    Abstract: An antenna module includes a first sub array to a fourth sub array. The first sub array to the fourth sub array have a rectangular substrate. Each of the first sub array to the fourth sub array includes a plurality of radiation electrodes disposed along an extending direction of a long side. The first sub array to the fourth sub array are configured to radiate radio waves of the first polarized wave to the fourth polarized wave, respectively. The first polarized wave is different from the second polarized wave, and the third polarized wave is different from the fourth polarized wave. The first polarized wave is the same as the third polarized wave, and the second polarized wave is the same as the fourth polarized wave.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Kota ARAI, Ryo KOMURA, Hideki UEDA
  • Publication number: 20240088271
    Abstract: A semiconductor device has a semiconductor substrate, at least one first transistor that has a mesa structure including one or more semiconductor layers, a first bump that overlaps the first transistor and extends in a first direction, and a second bump, in which the mesa structure has a first end portion on one end side in a second direction and a second end portion on the other end side in the second direction. The opening has a first opening end portion and a second opening end portion that are adjacent in the second direction. In plan view, the first opening end portion is closer to the second bump than the second opening end portion and the first end portion and the second end portion of the mesa structure are disposed between the first opening end portion and the second opening end portion.
    Type: Application
    Filed: October 20, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Atsushi KUROKAWA, Mari SAJI
  • Patent number: 11929195
    Abstract: A multilayer coil component includes a multilayer body that contain a coil. The coil includes coil conductors. A lamination direction of the multilayer body and an axial direction of the coil are parallel to a first main surface. A distance between the coil conductors adjacent to each other in the lamination direction is from 4 ?m to 8 ?m. Each coil conductor includes a line portion and a land portion that is disposed at an end portion of the line portion. The land portions of the coil conductors adjacent to each other in the lamination direction are connected to each other with a via conductor interposed therebetween. A width of the line portion is from 30 ?m to 50 ?m. An inner diameter of each coil conductor is from 50 ?m to 100 ?m.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: March 12, 2024
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Atsuo Hirukawa
  • Patent number: 11929467
    Abstract: A secondary battery including an electrode assembly having a positive electrode, a negative electrode, and a separator arranged between the positive electrode and the negative electrode, an electrolyte, and an exterior body housing the electrode assembly and the electrolyte. The exterior body has at least two step portions adjacent to each other and having top surfaces with different heights, the at least two step portions including a low step portion and a high step portion. A stepped surface is formed between the top surface of the low step portion and the top surface of the high step portion, and at least part of a board is arrangeable on the top surface of the low step portion.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Kawai, Masahiro Otsuka
  • Patent number: 11929560
    Abstract: A dual-band antenna device allowed to perform communication at a first frequency in a predetermined frequency band and at a second frequency in a frequency band higher than the predetermined frequency band includes: a ground conductor; a folded antenna conductor including a first linear part and a second linear part that are caused to face each other at a distance by folding; an LC resonant circuit that is included in the folded antenna conductor, that lets the first frequency pass, and that lets the second frequency attenuate; and a feeding point between the ground conductor and the folded antenna conductor. A narrow gap part is provided between the first linear part and the second linear part of the folded antenna conductor, the narrow gap part measuring a distance shorter than a distance measured in a different portion between the first linear part and the second linear part.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Ryo Komura
  • Patent number: 11929544
    Abstract: A wireless communication device is provided for transmitting and receiving a high-frequency signal having a first frequency for communication is disclosed. The device includes a loop pattern having a first electrode and a second electrode as both ends, an antenna pattern, a third electrode capacitively coupled to the first electrode, and a fourth electrode capacitively coupled to the second electrode. The device includes an RFIC having a capacitive impedance at a second frequency higher than the first frequency, and a first current path and a second current path connected in parallel with each other between the third electrode and the fourth electrode. The RFIC is included in the first current path and the second current path has an inductive impedance at a second frequency.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Noboru Kato, Yoshihiro Aoyama, Mikiko Saito
  • Patent number: 11927490
    Abstract: A sticking-type deep body thermometer that includes a thermometer body; a sticking member having an adhesive property on a bottom surface of thermometer body; a first thermal resistor having a predetermined thermal resistance and disposed substantially parallel to the sticking member; a first temperature sensor configured to detect a first temperature at a first surface of the first thermal resistor adjacent to the sticking member; a second temperature sensor configured to detect a second temperature at a second surface of the first thermal resistor opposite the first surface; a deep body temperature detection circuit configured to estimate a deep body temperature based on the first temperature and the second temperature; and an attachment/detachment sensor configured to detect attachment and detachment of the sticking-type deep body thermometer in accordance with a temperature difference between the first temperature and the second temperature and/or a temperature rate of change of the first temperature.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yoshiki Niki, Toru Shimuta
  • Patent number: 11929721
    Abstract: A power amplifier module includes a first amplifier, a power splitter, a second amplifier, a third amplifier, a phase shifter, a combining unit, and a controller. The first amplifier amplifies a first signal and outputs a second signal. The power splitter splits the second signal into a third signal and a fourth signal. The second amplifier amplifies the third signal and outputs a fifth signal. The third amplifier amplifies the fourth signal and outputs a sixth signal. The phase shifter receives the fifth signal and shifts a phase of the fifth signal. The combining unit combines the fifth signal having the phase shifted by the phase shifter and the sixth signal and outputs an amplified signal of the second signal. The controller outputs a first control signal for controlling a power level of the sixth signal output from the third amplifier.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Satoshi Tanaka, Yoshiaki Sukemori, Takeshi Kogure, Shohei Imai
  • Patent number: 11925476
    Abstract: A biological signal detection apparatus includes a neck band worn by a user along a circumferential direction of a neck of the user and a pair of sensors mounted to both ends of the neck band to detect a biological signal. Each sensor includes a conductive cloth with a planar or substantially planar shape, a main body on which the conductive cloth is set, a frame body that holds a periphery of the conductive cloth between the main body and the frame body, and an input terminal provided on a surface of the main body that opposes the frame body.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Toru Shimuta
  • Patent number: 11929727
    Abstract: Acoustic filters, resonators and methods are disclosed. An acoustic resonator includes a substrate and a piezoelectric plate includes a diaphragm that spans a cavity in the substrate. A conductor pattern includes an interdigital transducer (IDT) with interleaved parallel fingers on the diaphragm. A center-to-center spacing between two adjacent parallel fingers is greater than or equal to 2.5 times a thickness of the diaphragm and less than or equal to 15 times the diaphragm thickness.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Soumya Yandrapalli, Viktor Plesski, Julius Koskela, Ventsislav Yantchev, Patrick Turner
  • Patent number: 11929485
    Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode active material layer that includes a positive electrode active material, a fluorine-based binder having a melting point from 152° C. to 166° C., a conductive assistant having a specific surface area from 1000 m2/g to 1500 m2/g, and a vinylpyrrolidone-based polymer.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: March 12, 2024
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Nobuyuki Iwane, Hiroshi Horiuchi
  • Patent number: 11929726
    Abstract: A multiplexer includes a common terminal, a first filter connected to the common terminal, a wiring line connecting the common terminal and the reception filter to each other, a second filter connected to a connection node on the wiring line, a third filter connected to a connection node on the wiring line, a wiring line connecting the connection node and the transmission filter to each other, a wiring line connecting the connection node and the first filter to each other, and an inductor connected between a wiring region of the wiring line that extends from the connection node to the first filter and the ground or between the wiring line and the ground. The length of a portion of the wiring line extending from the common terminal to the connection node is longer than the length of a portion of the wiring line extending from the common terminal to the connection node.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: March 12, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Toshiaki Takata
  • Patent number: D1017425
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: March 12, 2024
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Hiroshi Nagashima