Patents by Inventor Hiroyuki Matsubara

Hiroyuki Matsubara 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: 20210135277
    Abstract: An aqueous rechargeable battery includes: a positive electrode including a positive electrode current collector and a positive electrode active material layer provided on a surface of the positive electrode current collector; a negative electrode including a negative electrode current collector and a negative electrode active material layer provided on a surface of the negative electrode current collector; and an aqueous electrolyte solution containing a lithium salt and water. The positive electrode active material layer contains one or more positive electrode active materials and one or more lithium ion-conducting solid electrolytes; and the positive electrode active materials include a lithium transition metal oxide.
    Type: Application
    Filed: September 21, 2018
    Publication date: May 6, 2021
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Nobuhiko Hojo, Hiroyuki Matsumoto, Kenji Matsubara, Hiroshi Kawada, Atsushi Fukui
  • Patent number: 10985290
    Abstract: A photodetector includes a light receiving part having a plurality of light receiving elements, and a signal processing part that adds outputs from the light receiving elements and outputs the result. A plurality of measurements are performed while combination of effective light receiving elements among the light receiving elements in the light receiving part is changed. The results of the measurements are subjected to a compressive sensing process to determine an output signal of for each light receiving element or for each group of light receiving elements.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: April 20, 2021
    Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Hiroyuki Matsubara, Isamu Takai, Seigo Ito
  • Publication number: 20210088661
    Abstract: A photodetector and an optical ranging apparatus provided with the photodetector are disclosed. The photodetector includes a pulse output section that changes an output from a light-receiving element to a rectangular pulse having a predetermined pulse width and outputs the rectangular pulse. Further, the photodetector also includes a pulse conversion circuit that converts the rectangular pulse to a rectangular pulse having a pulse width different from the predetermined pulse, based on the rise and fall of the rectangular pulse.
    Type: Application
    Filed: November 19, 2020
    Publication date: March 25, 2021
    Inventors: Takehiro HATA, Kenta AZUMA, Hiroyuki MATSUBARA, Isamu TAKAI
  • Publication number: 20210001392
    Abstract: An aggregate mixture for a mold, the aggregate mixture including an aggregate, a water-soluble binder, a water-soluble foaming agent, an aqueous mold release agent, and water.
    Type: Application
    Filed: March 20, 2019
    Publication date: January 7, 2021
    Inventors: Tomohiro Aoki, Yusuke Kato, Hiroyuki Matsubara
  • Publication number: 20200044109
    Abstract: A photodetector includes: a photoreceptor provided with a SPAD that is configured to respond to incidence of a photon, and as the response of the SPAD, configured to output a pulse signal; and a pulse rate control circuit configured to control sensitivity of the photoreceptor to have a pulse rate as the number of pulse signals outputted per unit time from the photoreceptor to be a set value set in advance, (i) in a set range including the set value, (ii) in a set range of the set value or more, or (iii) in a set range of the set value or less.
    Type: Application
    Filed: October 10, 2019
    Publication date: February 6, 2020
    Inventors: Kenta AZUMA, Noriyuki OZAKI, Shinji KASHIWADA, Teiyu KIMURA, Isamu TAKAI, Hiroyuki MATSUBARA, Mitsuhiko OHTA, Shigeyoshi HIRATSUKA
  • Publication number: 20200044098
    Abstract: A light detector is provided to include a detection module, and a monitoring SPAD. The detection module includes an SPAD that is an avalanche photodiode operable in Geiger mode; the detection module is configured to perform light detection by applying, to the SPAD, a reverse bias voltage in a reverse direction. The monitoring SPAD has characteristics identical to characteristics of the SPAD in the detection module. The reverse bias voltage is generated to be applied to the SPAD in the detection module based on (i) a reference breakdown voltage set from a breakdown voltage generated across the monitoring SPAD in Geiger mode and (ii) a predetermined excess voltage.
    Type: Application
    Filed: September 26, 2019
    Publication date: February 6, 2020
    Inventors: Kenta AZUMA, Teiyu KIMURA, Noriyuki OZAKI, Shinji KASHIWADA, Takehiro HATA, Isamu TAKAI, Hiroyuki MATSUBARA
  • Publication number: 20200018831
    Abstract: A light detector is provided to include a light receiving array having a plurality of light receivers respectively outputting pulse signals upon incidence of photons. A delay setting value is set which is used to adjust a time interval from when the pulse signals are output from the light receiving array to when a response number, which is a specified number of the light receivers outputting the pulse signals, is acquired.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventors: Kenta AZUMA, Noriyuki OZAKI, Shinji KASHIWADA, Teiyu KIMURA, Isamu TAKAI, Hiroyuki MATSUBARA
  • Publication number: 20200018832
    Abstract: A photodetector includes plural detectors. Each of the plural detectors has a single photon avalanche diode (hereinafter referred to as SPAD) which responds to incidence of a photon. The plural detectors include at least a first detector and a second detector. The SPAD has a recovery time period until the SPAD reaches a next photon-responsive state, in response to the SPAD responding to the incidence of the photon. The recovery time period of the SPAD in the first detector is different from the recovery time period of the SPAD in the second detector.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Inventors: Kenta Azuma, Noriyuki Ozaki, Shinji Kashiwada, Teiyu Kimura, Isamu Takai, Hiroyuki Matsubara, Mitsuhiko Ohta, Shigeyoshi Hiratsuka
  • Patent number: 10408102
    Abstract: An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on exhaust gas flow's downstream side, on a substrate, wherein the weight ratio of platinum to palladium in the first catalyst coating layer is 0.75 to 4.50, weight ratio of platinum to palladium in second catalyst coating layer is greater than 4.50 to 25.0, weight ratio of platinum to palladium in third catalyst coating layer is 0.12 or less, the length of first catalyst coating layer is 8% to 55% of the substrate's length, length of second catalyst coating layer is 45% to 95% of the substrate's length, and length of third catalyst coating layer is 45% to 95% of the substrate's length.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: September 10, 2019
    Assignees: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahiro Noguchi, Makoto Tsuji, Hiroto Imai, Yusuke Shimmyo, Hiroyuki Matsubara
  • Publication number: 20190259899
    Abstract: A photodetector includes a light receiving part having a plurality of light receiving elements, and a signal processing part that adds outputs from the light receiving elements and outputs the result. A plurality of measurements are performed while combination of effective light receiving elements among the light receiving elements in the light receiving part is changed. The results of the measurements are subjected to a compressive sensing process to determine an output signal of for each light receiving element or for each group of light receiving elements.
    Type: Application
    Filed: February 12, 2019
    Publication date: August 22, 2019
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Hiroyuki MATSUBARA, Isamu TAKAI, Seigo ITO
  • Patent number: 10344641
    Abstract: An exhaust gas purifying catalyst includes an inlet-side catalyst layer formed on an inner side of the partition wall from a surface of the partition wall in contact with an inlet-side cell and formed along an extension direction from an end portion on the exhaust gas inflow side, and an outlet-side catalyst layer formed on the inner side of the partition wall from a surface of the partition wall in contact with an outlet-side cell and formed along the extension direction from an end portion on the exhaust gas outflow side. Here, a sum of the lengths of the inlet-side catalyst layer and the outlet-side catalyst layer is larger than the entire length of the partition wall, and a total amount of an SCR catalyst body present in the outlet-side catalyst layer is larger than a total amount of an SCR catalyst body present in the inlet-side catalyst layer.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: July 9, 2019
    Assignees: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Makoto Tsuji, Hiroto Imai, Shintaro Kobayashi, Yusuke Shimmyo, Hiroyuki Matsubara
  • Patent number: 10322446
    Abstract: There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to the cavity surface, and the cavity surface of the mold is nitrided by heating and pressurizing the cavity surface using the molten metal.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 18, 2019
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TETRA CO., LTD, TOYOTA SCHOOL FOUNDATION
    Inventors: Eiji Tabata, Yuichi Furukawa, Yoshiki Tsunekawa, Hiroyuki Matsubara
  • Publication number: 20190093530
    Abstract: An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on exhaust gas flow's downstream side, on a substrate, wherein the weight ratio of platinum to palladium in the first catalyst coating layer is 0.75 to 4.50, weight ratio of platinum to palladium in second catalyst coating layer is greater than 4.50 to 25.0, weight ratio of platinum to palladium in third catalyst coating layer is 0.12 or less, the length of first catalyst coating layer is 8% to 55% of the substrate's length, length of second catalyst coating layer is 45% to 95% of the substrate's length, and length of third catalyst coating layer is 45% to 95% of the substrate's length.
    Type: Application
    Filed: June 1, 2018
    Publication date: March 28, 2019
    Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahiro NOGUCHI, Makoto TSUJI, Hiroto IMAI, Yusuke SHIMMYO, Hiroyuki MATSUBARA
  • Patent number: 10209603
    Abstract: A switching optical antenna that includes: a waveguide including a light input end and a light output end; a ring waveguide coupled with the waveguide through a first directional coupler; a diffraction grating that is disposed within the ring waveguide and that is coupled with the ring waveguide through a second directional coupler; and a refractive index adjusting section that changes a refractive index of at least a portion of the ring waveguide.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: February 19, 2019
    Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Daisuke Inoue, Hiroyuki Matsubara, Tadashi Ichikawa
  • Publication number: 20180258810
    Abstract: An exhaust gas purifying catalyst includes an inlet-side catalyst layer formed on an inner side of the partition wall from a surface of the partition wall in contact with an inlet-side cell and formed along an extension direction from an end portion on the exhaust gas inflow side, and an outlet-side catalyst layer formed on the inner side of the partition wall from a surface of the partition wall in contact with an outlet-side cell and formed along the extension direction from an end portion on the exhaust gas outflow side. Here, a sum of the lengths of the inlet-side catalyst layer and the outlet-side catalyst layer is larger than the entire length of the partition wall, and a total amount of an SCR catalyst body present in the outlet-side catalyst layer is larger than a total amount of an SCR catalyst body present in the inlet-side catalyst layer.
    Type: Application
    Filed: March 6, 2018
    Publication date: September 13, 2018
    Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Makoto TSUJI, Hiroto IMAI, Shintaro KOBAYASHI, Yusuke SHIMMYO, Hiroyuki MATSUBARA
  • Patent number: 10071365
    Abstract: There is provided a catalytic converter that offers high exhaust gas cleaning performance by effectively utilizing a whole catalyst that constitutes the catalytic converter. In a catalytic converter (10), catalytic layers (2A, 2B) made of a noble metal catalyst are formed on cell wall surfaces of a substrate (1) having a cell structure, and the catalytic layers (2A, 2B) extend in a longitudinal direction of the substrate (1) along which gas flows. The substrate (1) has a central region (1A) having a relatively high cell density and a peripheral region (1B) having a relatively low cell density. The length of each of the catalytic layers (2B) in the longitudinal direction in the peripheral region (1B) is longer than the length of each of the catalytic layers (2A) in the longitudinal direction in the central region (1A).
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: September 11, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Aoki, Hiromasa Suzuki, Hiroyuki Matsubara
  • Publication number: 20180085823
    Abstract: There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to the cavity surface, and the cavity surface of the mold is nitrided by heating and pressurizing the cavity surface using the molten metal.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 29, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota School Foundation, TETRA Co., Ltd.
    Inventors: Eiji TABATA, Yuichi FURUKAWA, Yoshiki TSUNEKAWA, Hiroyuki MATSUBARA
  • Publication number: 20180088439
    Abstract: A switching optical antenna that includes: a waveguide including a light input end and a light output end; a ring waveguide coupled with the waveguide through a first directional coupler; a diffraction grating that is disposed within the ring waveguide and that is coupled with the ring waveguide through a second directional coupler; and a refractive index adjusting section that changes a refractive index of at least a portion of the ring waveguide.
    Type: Application
    Filed: September 14, 2017
    Publication date: March 29, 2018
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Daisuke INOUE, Hiroyuki MATSUBARA, Tadashi ICHIKAWA
  • Patent number: 9782723
    Abstract: A catalyst converter includes: a substrate (1) having a cell structure formed of a center area (1A) having the highest cell density, a peripheral area (1C) having the lowest cell density, and an intermediate area (1B) having the cell density between that of the center area and that of the peripheral area; a first catalyst layer formed in the center area (1A); a second catalyst layer formed in the intermediate area (1B); and a third catalyst layer formed in the peripheral area (1C). A length in a longitudinal direction of the second catalyst layer is longer than that of the first catalyst layer. A length in the longitudinal direction of the third catalyst layer is longer than that of the second catalyst layer. A ratio of the length in the longitudinal direction of the first catalyst layer to the length of the substrate is 65% or more.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: October 10, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Aoki, Hiromasa Suzuki, Hiroyuki Matsubara
  • Patent number: 9782753
    Abstract: Provide is a catalytic converter including a substrate which includes regions having different cell densities, in which exhaust gas purification performance is superior in all the regions of the substrate. A catalytic converter 10 includes catalyst layers in which a noble metal catalyst is supported on a support in surfaces of cell walls 2 of a substrate 1 having a cell structure in a longitudinal direction of the substrate 1 in which gas flows, in which the substrate 1 has a first region 1A having a relatively high cell density and a second region 1B having a relatively low cell density, and a ratio of a thickness of a catalyst layer 3A in the second region 1B to a thickness of a catalyst layer 3 in the first region 1A is in a range of more than 0.95 times and 1.2 times or less.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: October 10, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Aoki, Hiromasa Suzuki, Hiroyuki Matsubara