Patents by Inventor Hirofumi Kubota

Hirofumi Kubota 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: 20240105559
    Abstract: An electronic component according to an embodiment of the present invention includes: a chip; a die pad to which the chip is secured; a suspension terminal extending from the die pad; a lead terminal electrically connected to the chip; and a dummy terminal, in which the suspension terminal is disposed closer to the dummy terminal than the lead terminal.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 28, 2024
    Applicant: KOA CORPORATION
    Inventors: Hirofumi KUBOTA, Tomonori OGUCHI
  • Patent number: 11885515
    Abstract: An air conditioning system includes: a sensor; an obtainer that obtains information indicating air quality in an indoor space, which is output by the sensor; and a controller that calculates an air quality index based on the information obtained, and controls a ventilator, based on the air quality index calculated. The air quality index is expressed by f(Xn)×g(T, H), where f(Xn) denotes a function with respect to Xn that indicates at least one of a CO2 concentration, a concentration of total volatile organic compounds (TVOC), a concentration of particulate matter (PM), an NOX concentration, an SOX concentration, an O3 concentration, a mold count, or a dust count, and g(T, H) denotes a function with respect to T denoting temperature and H denoting humidity in the indoor space.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: January 30, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Ryo Arakawa, Yoshifumi Watabe, Hirofumi Kubota
  • Publication number: 20240028281
    Abstract: A display system includes an acquirer, an estimator, and a controller. The acquirer acquires a first detection value and a second detection value from a temperature sensor and a humidity sensor, respectively. The temperature sensor and the humidity sensor are both included in a ventilator that ventilates a room. The estimator estimates, based on the first detection value and the second detection value that are acquired by the acquirer, an apparent temperature distribution representing a distribution of apparent temperatures in a height direction in the room. The controller makes a display device present the apparent temperature distribution estimated by the estimator.
    Type: Application
    Filed: October 8, 2021
    Publication date: January 25, 2024
    Inventors: Hirofumi KUBOTA, Fei LIU, Noriaki FUKUMOTO
  • Publication number: 20240027088
    Abstract: A display system includes an acquirer, an estimator, and a controller. The acquirer acquires a first detection value and a second detection value from a temperature sensor and a humidity sensor, respectively. The temperature sensor and the humidity sensor are both included in a ventilator that ventilates a room. The estimator estimates, based on the first detection value and the second detection value that are acquired by the acquirer, a predicted mean vote distribution representing a distribution of predicted mean votes in a height direction in the room. The controller makes a display device present the predicted mean vote distribution estimated by the estimator.
    Type: Application
    Filed: October 8, 2021
    Publication date: January 25, 2024
    Inventors: Hirofumi KUBOTA, Fei LIU, Noriaki FUKUMOTO
  • Publication number: 20230070454
    Abstract: [Problem] To provide a novel technique with which it is possible to reduce acetic acid irritation and difficulty to drink derived from acetic acid which may be sensed during drinking of an acetic acid-containing beverage. [Solution] This beverage contains acetic acid in an amount of 10-800 ppm and gluconic acid in an amount of 50-2000 ppm, and has an acidity due to citric acid of 0.1-0.4 g/100 ml.
    Type: Application
    Filed: January 27, 2021
    Publication date: March 9, 2023
    Applicants: Asahi Group Holdings, Ltd., ASAHI SOFT DRINKS CO., LTD.
    Inventor: Hirofumi KUBOTA
  • Publication number: 20230011443
    Abstract: The present invention provides a carbonated beverage containing 0.25 to 2.0 ppm of ?-bisabolol, and a carbonated beverage containing 0.5 to 4.0 ppm of sabinene. Further, the present invention also provides a method for improving the carbonation sensation of a carbonated beverage, the method including adding at least one flavoring selected from the group consisting of ?-bisabolol and sabinene to the carbonated beverage, and adjusting the ?-bisabolol concentration in the beverage to a value within a range from 0.25 to 2.0 ppm, or adjusting the sabinene concentration in the beverage to a value within a range from 0.5 to 4.0 ppm.
    Type: Application
    Filed: October 28, 2020
    Publication date: January 12, 2023
    Applicants: Asahi Group Holdings, Ltd., ASAHI SOFT DRINKS CO., LTD.
    Inventors: Naruko KANAZAWA, Hirofumi KUBOTA, Yumeko HAYASHI
  • Publication number: 20220214059
    Abstract: An air conditioning system includes: a sensor; an obtainer that obtains information indicating air quality in an indoor space, which is output by the sensor; and a controller that calculates an air quality index based on the information obtained, and controls a ventilator, based on the air quality index calculated. The air quality index is expressed by f(Xn)×g(T, H), where f(Xn) denotes a function with respect to Xn that indicates at least one of a CO2 concentration, a concentration of total volatile organic compounds (TVOC), a concentration of particulate matter (PM), an NOX concentration, an SOX concentration, an O3 concentration, a mold count, or a dust count, and g(T, H) denotes a function with respect to T denoting temperature and H denoting humidity in the indoor space.
    Type: Application
    Filed: February 3, 2020
    Publication date: July 7, 2022
    Inventors: Ryo ARAKAWA, Yoshifumi WATABE, Hirofumi KUBOTA
  • Patent number: 11300023
    Abstract: An exhaust gas purification system for an internal combustion engine includes a particulate filter (also referred to as GPF) to collect particulate matter (PM) in exhaust gas, an automatic transmission including a torque converter with a lock-up clutch, and a controller that controls the internal combustion engine to perform fuel cut when the internal combustion engine is decelerating and a temperature correlation value of lubricating oil (ATF) is higher than a determination value, and controls the automatic transmission to engage the lock-up clutch during execution of the fuel cut. The controller is configured to estimate a deposit amount of PM deposited on the GPF, and change the determination value to a smaller value than before the deposit amount exceeds a first deposit amount when the deposit amount exceeds a predetermined first deposit amount.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 12, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoya Kaneko, Hirofumi Kubota
  • Publication number: 20210293167
    Abstract: An exhaust gas purification system for an internal combustion engine includes a particulate filter (also referred to as GPF) to collect particulate matter (PM) in exhaust gas, an automatic transmission including a torque converter with a lock-up clutch, and a controller that controls the internal combustion engine to perform fuel cut when the internal combustion engine is decelerating and a temperature correlation value of lubricating oil (ATF) is higher than a determination value, and controls the automatic transmission to engage the lock-up clutch during execution of the fuel cut. The controller is configured to estimate a deposit amount of PM deposited on the GPF, and change the determination value to a smaller value than before the deposit amount exceeds a first deposit amount when the deposit amount exceeds a predetermined first deposit amount.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 23, 2021
    Inventors: Naoya KANEKO, Hirofumi KUBOTA
  • Patent number: 10830167
    Abstract: The deterioration of an exhaust gas purification catalyst is suppressed as much as possible. An exhaust gas purification system for an internal combustion engine comprising: a throttle valve; a turbocharger; an exhaust gas purification catalyst; a bypass passage; a turbo bypass valve (TBV); and a controller. The controller is configured to carry out fuel cut processing and deterioration suppression control. In the deterioration suppression control, when a temperature of the exhaust gas purification catalyst is equal to or higher than a predetermined temperature in the course of the execution of the fuel cut processing, the degree of opening of the TBV becomes smaller, and the degree of opening of the throttle valve becomes larger, than when the temperature of the exhaust gas purification catalyst is lower than the predetermined temperature in the course of the execution of the fuel cut processing.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: November 10, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koichi Kitaura, Yasuyuki Irisawa, Hirofumi Kubota, Takashi Tsunooka
  • Patent number: 10712602
    Abstract: Optical device includes first substrate being light transmissive, second substrate opposing first substrate and being light transmissive, and light distribution layer disposed between first substrate and second substrate and distributing incident light. Light distribution layer includes uneven structure portion having a plurality of projections repeated in the z axial direction parallel to the main face of first substrate, and optical medium portion containing a birefringent material and disposed to fill a plurality of recesses that are spaces between the plurality of projections. Light blocking component configured to block at least part of incident light is disposed in the plurality of recesses.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: July 14, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuki Kitamura, Hiroshi Fukushima, Norihiro Ito, Hirofumi Kubota, Masuyuki Ota
  • Patent number: 10563599
    Abstract: A control system for an internal combustion engine includes an exhaust gas passage, an intake passage, a turbocharger, a bypass passage, a waste gate valve, a turbo bypass valve, a throttle valve, and an electronic control unit. The electronic control unit is configured to control the waste gate valve, the turbo bypass valve, and the throttle valve such that the order of execution of the throttle opening degree increase control and the turbo bypass valve opening degree increase control and the waste gate valve opening degree decrease control is changed depending on the engine load at a point in time when the operation state of the internal combustion engine belongs to the natural aspiration region when the predetermined acceleration request is present.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: February 18, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takanobu Hosoya, Yasuyuki Irisawa, Hirofumi Kubota, Takashi Tsunooka
  • Patent number: 10415459
    Abstract: A warm-up system for an exhaust gas apparatus includes the exhaust gas apparatus having a turbocharger provided with a turbine, a first exhaust gas control catalyst provided downstream of the turbine, a bypass passage bypassing the turbine, and an adjustment unit adjusting a turbine inflow exhaust gas flow rate and an electronic control unit. The electronic control unit is configured to perform a warm-up control which warms the turbine by controlling the turbine inflow exhaust gas flow rate, by using the adjustment unit, to reach a flow rate higher than zero and lower than the post-warm-up flow rate when an operating state of the internal combustion engine remains constant, such that a warmed state of the first exhaust gas control catalyst is maintained after the first exhaust gas control catalyst is warmed.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: September 17, 2019
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takanobu Hosoya, Yasuyuki Irisawa, Hirofumi Kubota, Takashi Tsunooka
  • Patent number: 10345675
    Abstract: An optical device includes: a first electrode; a second electrode; a refractive index adjustment layer that has a refractive index changing in response to an electric field and is changeable between a transparent state and a state in which the refractive index adjustment layer distributes incident light; and a textured layer including a plurality of protrusions protruding toward the second electrode. The refractive index adjustment layer is provided between the first electrode and the second electrode. The textured layer is provided between the first electrode and the refractive index adjustment layer. The plurality of protrusions is in the form of stripes. The protrusion has a substantially trapezoidal cross-section. A trapezoid which is a cross-sectional shape of the protrusion has a base angle ? at both ends of the lower base ranging from 70 degrees to 85 degrees.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: July 9, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hirofumi Kubota, Yuko Suzuka
  • Patent number: 10337422
    Abstract: A control apparatus for an internal combustion engine includes a turbocharger, a bypass passage, a waste gate valve, a turbo bypass valve, an air-fuel ratio sensor and an electronic control unit. The air-fuel ratio sensor is provided in an exhaust passage downstream of a merging point at which the bypass passage merges with the exhaust passage. The electronic control unit is configured to, when a predetermined acceleration request is established and a required opening degree of the turbo bypass valve is larger than a predetermined reference opening degree, execute air-fuel ratio control for changing an air-fuel ratio of exhaust gas from the internal combustion engine for a predetermined first period, and close the waste gate valve based on a convergence status of detected air-fuel ratio fluctuations. The detected air-fuel ratio fluctuations are fluctuations in air-fuel ratio that is detected by the air-fuel ratio sensor resulting from the air-fuel ratio control.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: July 2, 2019
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takanobu Hosoya, Yasuyuki Irisawa, Hirofumi Kubota, Takashi Tsunooka
  • Publication number: 20190196255
    Abstract: Optical device includes first substrate being light transmissive, second substrate opposing first substrate and being light transmissive, and light distribution layer disposed between first substrate and second substrate and distributing incident light. Light distribution layer includes uneven structure portion having a plurality of projections repeated in the z axial direction parallel to the main face of first substrate, and optical medium portion containing a birefringent material and disposed to fill a plurality of recesses that are spaces between the plurality of projections. Light blocking component configured to block at least part of incident light is disposed in the plurality of recesses.
    Type: Application
    Filed: June 13, 2017
    Publication date: June 27, 2019
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuki KITAMURA, Hiroshi FUKUSHIMA, Norihiro ITO, Hirofumi KUBOTA, Masuyuki OTA
  • Publication number: 20190041718
    Abstract: A light control device disposed between an outdoor area and an indoor area includes: a light-transmissive first electrode; a light-transmissive second electrode; a refractive-index control layer located between the first electrode and the second electrode, and having a controllable refractive index; and a light-transmissive recessed and protruding layer located between the first electrode and the refractive-index control layer, and including repeating protrusions, wherein the light control device is disposed such that the first electrode is on an outdoor area side, the repeating protrusions each have an inclined surface inclined at a predetermined angle of inclination, relative to a thickness direction of the light control device, and the angles of inclination of one of the repeating protrusions and another of the repeating protrusions are different in a recurrent direction of the repeating protrusions.
    Type: Application
    Filed: March 17, 2016
    Publication date: February 7, 2019
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomonori YAMADA, Hirofumi KUBOTA, Jumpei MATSUZAKI, Yoshichika OSADA, Yuko SUZUKA
  • Publication number: 20180373082
    Abstract: An optical device includes a first substrate which is light-transmissive, a second substrate which is light-transmissive and opposes the first substrate, a light distribution layer which is interposed between the first substrate and the second substrate and distributes incident light, and an optical element which is disposed on one of a surface of the second substrate on a side opposite to a side facing the first substrate and a surface of the first substrate on a side opposite to a side facing the second substrate. The light distribution layer includes an optical medium containing a birefringent material and an uneven structure. The optical element has an optical property of reducing an amount of at least one of first polarized light and second polarized light that differ in a polarization direction.
    Type: Application
    Filed: December 1, 2016
    Publication date: December 27, 2018
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuki KITAMURA, Norihiro ITO, Hirofumi KUBOTA, Masuyuki OTA
  • Publication number: 20180334978
    Abstract: The deterioration of an exhaust gas purification catalyst is suppressed as ranch as possible. An exhaust gas purification system for an internal combustion engine comprising: a throttle valve; a turbocharger; an exhaust gas purification catalyst; a bypass passage; a turbo bypass valve (TBV); and a controller. The controller is configured to carry out fuel out processing and deterioration suppression control. In the deterioration suppression control, when a temperature of the exhaust gas purification catalyst is equal to or higher than a predetermined temperature in the course of the execution of the fuel cut processing, the degree of opening of the TBV becomes smaller, and the degree of opening of the throttle valve becomes larger, than when the temperature of the exhaust gas purification catalyst is lower than the predetermined temperature in the course of the execution of the fuel cut processing.
    Type: Application
    Filed: May 17, 2018
    Publication date: November 22, 2018
    Inventors: Koichi Kitaura, Yasuyuki Irisawa, Hirofumi Kubota, Takashi Tsunooka
  • Publication number: 20180328557
    Abstract: An optical device includes a first substrate having light transmission properties, a second substrate opposing the first substrate and having light transmission properties, and an optical control layer disposed between the first substrate and the second substrate and including a first light-transmitting portion that includes an optical medium and an uneven structure and a second light-transmitting portion that includes only the optical medium out of the optical medium and the uneven structure. The optical medium and the uneven structure have different refractive indices. In a plan view, the first light-transmitting portion and the second light-transmitting portion are repeatedly arranged in one direction, and the area of repetition of at least one of the first light-transmitting portion and the second light-transmitting portion varies in the one direction.
    Type: Application
    Filed: November 4, 2016
    Publication date: November 15, 2018
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LT D.
    Inventors: Kazuki KITAMURA, Norihiro ITO, Hirofumi KUBOTA, Masuyuki OTA