Patents by Inventor Yuta Matsumoto

Yuta Matsumoto 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: 20240150861
    Abstract: A cold-workable mechanical structural steel may include: C: 0.30 to 0.45 mass %; Si: 0.10 to 0.40 mass %; Mn: 0.50 to 1.00 mass %; P: 0.050 mass % or less; S: 0.050 mass % or less; Cr: 0.80 to 1.30 mass %; Al: 0.01 to 0.10 mass %; and a balance of iron and inevitable impurity, the steel having an area percentage of pro-eutectoid ferrite of 10% or larger and 70% or smaller; containing at least one selected from the group consisting of bainite, martensite, and pearlite; and having a dislocation density of 3.5×1014 m?2 or larger.
    Type: Application
    Filed: February 2, 2022
    Publication date: May 9, 2024
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Koji YAMASHITA, Yuta INOUE, Masayuki SAKATA, Takuya KOCHI, Yosuke MATSUMOTO, Tatsunori UCHIDA
  • Publication number: 20240142320
    Abstract: A load detection system includes: a first load sensor including a first element part in which capacitance changes in accordance with a load; a first detection circuit configured to perform charging and discharging of the first element part and acquire a voltage according to the capacitance at a detection timing in a charge period; a second load sensor including a second element part in which capacitance changes in accordance with a load; a second detection circuit configured to perform charging and discharging of the second element part and acquire a voltage according to the capacitance at a detection timing in a charge period; and a synchronization generation part configured to synchronize the charging of the first element part and the charging of the second element part.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Inventors: Hironobu UKITSU, Yuta MORIURA, Susumu URAGAMI, Takashi MATSUMOTO
  • Publication number: 20240142319
    Abstract: A load sensor includes: an electrically-conductive elastic body; an electrically-conductive member having a linear shape and disposed so as to cross the electrically-conductive elastic body; and a dielectric body disposed between the electrically-conductive elastic body and the electrically-conductive member. A width of the electrically-conductive elastic body in a longitudinal direction of the electrically-conductive member is changed such that a relationship between a load and a contact area between the electrically-conductive elastic body and the electrically-conductive member via the dielectric body becomes close to a linear relationship.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Inventors: Yodai MATSUMURA, Takashi MATSUMOTO, Susumu URAGAMI, Yuta MORIURA, Takafumi HAMANO, Hiroyuki FURUYA
  • Publication number: 20240131474
    Abstract: A gas separation membrane includes a first layer and a second layer that is provided at the surface on one side of the first layer and that includes a compound having gas separation ability. The average thickness of the second layer is smaller than an average thickness of the first layer. The second layer is an inkjet coating. The compound preferably includes a structure derived from PET, POM, PLA, PDMS, cellulose, or a coupling agent.
    Type: Application
    Filed: October 15, 2023
    Publication date: April 25, 2024
    Inventors: Yuta HORIUCHI, Hiromu MIYAZAWA, Yasutaka MATSUMOTO, Oshi IWAKAMI, Naoki TAKATSU
  • Publication number: 20240131478
    Abstract: A gas separation membrane that separates, by selective transmission, carbon dioxide from a mixed gas containing the carbon dioxide and nitrogen, the gas separation membrane including: a first layer; and a second layer provided at one surface of the first layer and composed of a compound having carbon dioxide separation ability, wherein an average thickness of the second layer is smaller than an average thickness of the first layer, and the second layer satisfies 0.56<?2, where an activity coefficient of nitrogen in the second layer, calculated by the COSMO-RS method, is ?2N2, an activity coefficient of carbon dioxide in the second layer is ?2CO2, and a separation performance parameter of the second layer at 25° C. is ?2=ln(?2N2)?ln(?2CO2).
    Type: Application
    Filed: October 18, 2023
    Publication date: April 25, 2024
    Inventors: Yuta HORIUCHI, Hiromu MIYAZAWA, Yasutaka MATSUMOTO, Oshi IWAKAMI
  • Patent number: 11965785
    Abstract: Provided is a pressure-sensitive element having more sufficient expandability, a relatively wide measurement range of pressure force, and a relatively simple structure, and an electronic device using the pressure-sensitive element. The pressure-sensitive element includes a plurality of first electrodes being elongated in first direction, arranged in a first plane, and including a conductive elastic body, a plurality of second electrodes being elongated in second direction intersecting the first direction, arranged in a second plane facing the first plane, and including a conductor wire, and a plurality of dielectrics covering a surface of the plurality of second electrodes. The plurality of second electrodes have bent parts K arranged periodically, and capacitance at intersections of the plurality of first electrodes and the plurality of second electrodes changes in accordance with pressure force applied between the plurality of first electrodes and the plurality of second electrodes.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: April 23, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuta Moriura, Yui Sawada, Shinobu Masuda, Hironobu Ukitsu, Takashi Matsumoto, Mitsutaka Matsumoto
  • Patent number: 11954292
    Abstract: An input device includes a fixed electrode, first and second movable electrodes, a first elastic member having a portion and being configured to deform so as to displace the portion of the first elastic member in accordance with a movement of the first movable electrode, a second elastic member having a portion and being configured to deform so as to displace the portion of the second elastic member in accordance with a movement of the second movable electrode, and a terminal configured to output a signal corresponding to a change in a capacitance between the first and second movable electrodes. The input device is responsible to various manipulations while not preventing a click feeling from being generated.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: April 9, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuta Saito, Masaaki Yamabayashi, Kenichi Matsumoto, Ryo Nakae
  • Patent number: 11948544
    Abstract: The musical instrument tuner includes: a sensor device that is attached to a musical instrument; and an operation device that is able to perform wireless communication mutually with the sensor device, in which the sensor device includes an acceleration sensor that has at least two detection axes, frequency detection means for detecting, as a detected frequency, a frequency of a vibration of musical sound generated through an operation of the musical instrument based on an output from the acceleration sensor, and sensor-side communication means for transmitting transmission information including information regarding the detected frequency to the operation device, and the operation device includes operation-side communication means for receiving the transmission information transmitted from the sensor device, display means, and control means for generating tuning information of the musical instrument and causing the display means to display the tuning information based on the transmission information received
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: April 2, 2024
    Assignees: GOTOH GUT CO., LTD., GUNMA PREFECTURE
    Inventors: Atsushi Kajihara, Masaki Gotoh, Hiroshi Miyajima, Osamu Niijima, Yuta Uchiumi, Makoto Matsumoto, Kento Suzuki
  • Publication number: 20240096667
    Abstract: A defect inspection device in which an optical axis of a detection optical system is inclined with respect to a surface of a sample, and an imaging sensor is inclined with respect to the optical axis, a height variation amount of an illumination spot in a normal direction of the surface of the sample is calculated based on an output of a height measuring unit, a deviation amount of the focusing position with respect to the light receiving surface in an optical axis direction of the detection optical system is calculated based on the height variation amount of the illumination spot, the deviation amount of the focusing position being generated accompanying a height variation of the illumination spot, and the focus actuator is controlled based on the deviation amount of the focusing position, and scattered light intensities at the same coordinates of the sample are added.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 21, 2024
    Inventors: Hiromichi YAMAKAWA, Toshifumi HONDA, Yuta URANO, Shunichi MATSUMOTO, Masaya YAMAMOTO, Eiji ARIMA
  • Patent number: 11932293
    Abstract: A car monitoring system includes: a sub-system to execute a predetermined function by controlling at least one instrument mounted on a railcar; and a monitoring device to monitor an operating state of the sub-system. The sub-system includes: a sub-system controller to create status data containing pieces of event information based on a signal output from the instrument and periodically transmit the status data to the monitoring device, the information informing the monitoring device of a change in state of the instrument; and a first memory to store a first event parameter file defines a data structure of an event region of the status data, the event region being a region wherein the information are stored. When the first parameter file is changed, and the sub-system controller creates the status data, the controller reconstructs the data structure of the region and resets the information in accordance with the reconstructed data structure.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: March 19, 2024
    Assignee: KAWASAKI RAILCAR MANUFACTURING CO., LTD.
    Inventors: Koichi Nakanishi, Yuta Sakurai, Shuhei Matsumoto
  • Publication number: 20240085256
    Abstract: A load sensor is configured to detect, as change in capacitance, change, in a contact area between an electrically-conductive elastic body and a dielectric body, that occurs due to a load applied to an upper face of the load sensor. In the load sensor, a plurality of sensor parts each configured to detect the load are disposed so as to be arranged in a plane direction, and a buffer part configured to suppress displacement of the upper face due to the load applied to a first sensor part from being propagated to a second sensor part adjacent to the first sensor part is disposed between the first sensor part and the second sensor part.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Inventors: Yodai MATSUMURA, Takashi MATSUMOTO, Susumu URAGAMI, Yuta MORIURA, Takafumi HAMANO, Hiroyuki FURUYA
  • Publication number: 20240076513
    Abstract: An inkjet ink that includes (A1) a terpene resin, and (B) a solvent system containing (B1) a ketone solvent having a boiling point of less than 120° C. and (B2) dioxolane, the inkjet ink being characterized by extended decap times and long throw distance. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
    Type: Application
    Filed: April 22, 2021
    Publication date: March 7, 2024
    Applicant: KAO CORPORATION
    Inventors: Yuta MATSUMOTO, Todd TRITCAK
  • Publication number: 20240018375
    Abstract: An inkjet ink, including (A) a resin, which is (A1) a terpene resin or (A2) a terpene phenol resin, (B) a solvent system including (B1) a volatile organic solvent having a boiling point of less than 100° C., and (C) silver nanoparticles. A printed article, including a substrate, and an opaque film disposed on the substrate. The opaque film is formed from the inkjet ink.
    Type: Application
    Filed: March 31, 2021
    Publication date: January 18, 2024
    Applicant: KAO CORPORATION
    Inventors: Yuta MATSUMOTO, Tomohide YOSHIDA
  • Publication number: 20230312964
    Abstract: An inkjet ink that includes (A) a terpene resin, (B) a solvent system that includes (B1) methyl ethyl ketone, and (C) a polyether modified silicone having a hydrophilic-lipophilic balance (HLB) value of 1 to 12, which is characterized by extended decap times, quick drying properties, and providing high image sharpness. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
    Type: Application
    Filed: October 21, 2020
    Publication date: October 5, 2023
    Applicant: KAO CORPORATION
    Inventors: Yuta MATSUMOTO, Todd TRITCAK
  • Publication number: 20230312952
    Abstract: An inkjet ink that includes (A) a terpene phenol resin having a hydroxyl value of 10 to 80 mgKOH/g and (B) a carbonate ester whose boiling point is less than 150° C. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
    Type: Application
    Filed: October 21, 2020
    Publication date: October 5, 2023
    Applicant: KAO CORPORATION
    Inventors: Yuta MATSUMOTO, Daniel SANDKER
  • Patent number: 11762021
    Abstract: A monitoring device for an electric vehicle to monitor a blower for cooling a device installed in an electric vehicle includes: a dq-component separation unit that separates an instantaneous value of a motor current that flows to a motor of the blower into a d-axis current component and a q-axis current component; a mechanical-angle rotation-frequency component extraction unit that extracts a mechanical-angle rotation frequency component from an instantaneous value of the q-axis current component, the mechanical-angle rotation frequency component being a rotation frequency component where a rotation angle of the motor is expressed in a mechanical angle; and an abnormality determination unit that determines whether or not the blower is abnormal on the basis of magnitude of the mechanical-angle rotation frequency component.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: September 19, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yasutaka Imamura, Yuta Matsumoto, Hisanori Yamasaki
  • Patent number: 11737235
    Abstract: A propulsion control device of the present disclosure includes: a housing; a gate controller disposed at one end side of an interior space of the housing in a longitudinal axis direction X, the gate controller being configured to control a power converter; a fan disposed under the gate controller, the fan being configured to feed air to the gate controller; and an airflow guide member disposed at the side opposite to the fan relative to the gate controller, having, on an interior face of a ceiling of the housing, an airflow guide face having a predetermined angle with respect to the vertical direction, the airflow guide member being configured to guide air passed through the gate controller to flow toward the other end side of the interior space of the housing in the longitudinal axis direction X.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: August 22, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Yuta Matsumoto
  • Patent number: 11655384
    Abstract: The present invention relates to a water-based ink containing a pigment (A), a water-soluble organic solvent (C), a surfactant (D) and water, in which a content of water in the water-based ink is not less than 40% by mass and not more than 65% by mass, a boiling point of the water-soluble organic solvent (C) is not higher than 230° C., and a content of a high-boiling point organic solvent having a boiling point of not lower than 250° C. in the water-based ink is not more than 4% by mass, and the surfactant (D) contains a silicone-based surfactant (d-1) and an acetylene glycol-based surfactant (d-2) which satisfy the following conditions 1 and 2: Condition 1: [(content of component (d-1))/(content of component (C))]×100=0.15 to 4; and Condition 2: [(content of component (d-2))/(content of component (C))]×100=0.35 to 1.65.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 23, 2023
    Assignee: KAO CORPORATION
    Inventors: Azusa Kuroda, Yuta Matsumoto
  • Publication number: 20230050122
    Abstract: An inkjet ink that includes (A) a terpene resin made from ?-pinene and (B) methyl ethyl ketone, which is characterized by extended decap times as well as quick drying properties when applied onto a substrate. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
    Type: Application
    Filed: December 20, 2019
    Publication date: February 16, 2023
    Applicant: Kao Corporation
    Inventors: Yuta MATSUMOTO, Todd TRITCAK
  • Publication number: 20230031477
    Abstract: An inkjet ink that includes (A) a terpene phenol resin and (B) a compound of formula (I) wherein R is an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, n is 0 or 1, p is an integer from 1 to 40, and q is an integer from 1 to 40. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
    Type: Application
    Filed: December 20, 2019
    Publication date: February 2, 2023
    Applicant: Kao Corporation
    Inventors: Yuta MATSUMOTO, Daniel SANDKER