Patents by Inventor Kunihiko Hayashi

Kunihiko Hayashi 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: 11148655
    Abstract: A temperature control apparatus of a vehicle according to the invention stops activating a heat pump and supplies heat exchanging liquid from an engine passage to a battery passage when a warming of the battery is requested and a temperature of the heat exchanging liquid flowing out of the engine passage is equal to or lower than a permitted upper limit temperature. On the other hand, the apparatus activates the heat pump to cool the heat exchanging liquid and supplies the cooled heat exchanging liquid from the engine passage to the battery passage when the warming of the battery is requested and the temperature of the heat exchanging liquid flowing out of the engine passage is higher than the permitted upper limit temperature.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: October 19, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoichi Ogura, Kunihiko Hayashi, Yuji Miyoshi, Masatoshi Yano, Yu Ofune
  • Publication number: 20210257673
    Abstract: The present invention provides a technology that allows supplying stably a nonaqueous electrolyte secondary battery having a high capacity retention rate and being excellent in resistance to deterioration. The nonaqueous electrolyte secondary battery disclosed herein is provided with a wound electrode body resulting from winding a stack 10 having a stacking of a positive electrode 50 and a negative electrode 60 across separators 70. The positive electrode 50 has a foil-shaped positive electrode collector 52 and a positive electrode mix layer 54. Each separator 70 has a resin substrate layer 72 and a heat resistance layer 74. In the nonaqueous electrolyte secondary battery disclosed herein, the peel strength of a boundary between the resin substrate layer and the heat resistance layer is 16 N/m or more and 155 N/m or less, and the density of the positive electrode mix layer is 2.3 g/cc or more and 2.6 g/cc or less.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 19, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kunihiko HAYASHI
  • Patent number: 10998545
    Abstract: Active material particles, a conductive material, a binder, and a solvent are mixed to prepare composite particles. The composite particles are mixed with metal short fibers to make the metal short fibers adhere to surfaces of the composite particles. After the adhesion of the metal short fibers, the composite particles are brought together and compacted to produce an electrode for electric storage devices. Each of the composite particles contains at least the active material particles, the conductive material, and the binder. The total content of the metal short fibers in the electrode for electric storage devices is not lower than 15 mass % and not higher than 35 mass %.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: May 4, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Kunihiko Hayashi
  • Patent number: 10906387
    Abstract: A cooling apparatus of a vehicle driving system of the invention connects an engine water circulation passage to a hybrid system water circulation passage and flows cooling water in the engine water circulation passage and the hybrid system water circulation passage to cool a first hybrid system component by the cooling water cooled by an engine radiator and cool a second hybrid system component by the cooling water cooled by a hybrid system radiator when an engine cooling process is not requested, a first hybrid system cooling process is requested, a second hybrid system cooling process is requested, and a connection condition is satisfied. The connection condition is satisfied when the engine cooling process is not requested, and the cooling water flowing into the hybrid system water circulation passage from the engine water circulation passage, can cool the first hybrid system component.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: February 2, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuya Hirai, Yuji Miyoshi, Tomohiro Shinagawa, Masatoshi Yano, Hiroyuki Sugihara, Ryo Michikawauchi, Kunihiko Hayashi, Yoichi Ogura, Hidefumi Aikawa, Yu Ofune
  • Publication number: 20200395629
    Abstract: Provided is a non-aqueous electrolyte secondary battery that can be produced while mixing at an interface between a positive electrode active material layer and a heat resistant layer is restricted even if a positive electrode slurry and a heat resistant layer slurry are simultaneously applied. The non-aqueous electrolyte secondary battery disclosed here includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector, a positive electrode active material layer formed on the positive electrode current collector, and a heat resistant layer which is formed on the positive electrode current collector and is adjacent to the positive electrode active material layer. The positive electrode active material layer contains a positive electrode active material. The positive electrode active material is porous particles in which primary particles are aggregated.
    Type: Application
    Filed: June 10, 2020
    Publication date: December 17, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kunihiko HAYASHI
  • Publication number: 20200388856
    Abstract: Provided is a non-aqueous electrolyte secondary battery in which an increase in temperature, which is caused by a short circuit at an exposed part of an interface between a positive electrode current collector and an insulating layer provided on the positive electrode current collector, is suppressed. The non-aqueous electrolyte secondary battery disclosed here includes a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector, a positive electrode active substance layer and an insulating layer. The positive electrode current collector has a part where the positive electrode current collector is exposed at at least one edge thereof. The insulating layer is positioned at a boundary between the positive electrode active substance layer and the part where the positive electrode current collector is exposed. The insulating layer contains an inorganic filler and resin particles at a mass ratio of 75:25 to 25:75.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 10, 2020
    Inventor: Kunihiko HAYASHI
  • Publication number: 20200341252
    Abstract: An image processing apparatus includes an output value obtaining unit, a first interpolation unit, a second interpolation unit, an image generation unit, and a first edge detection unit. The output value obtaining unit obtains respective output values of a plurality of light-receiving elements from an image sensor including the plurality of light-receiving elements arranged two-dimensionally. The first interpolation unit uses a first interpolation algorithm to interpolate a pixel value. The second interpolation unit uses a second interpolation algorithm to interpolate a pixel value. The image generation unit generates an image based on a pixel value, which is interpolated by the first interpolation unit. The first edge detection unit detects an edge using a first edge detection algorithm based on a pixel value, which is interpolated by the second interpolation unit.
    Type: Application
    Filed: July 14, 2020
    Publication date: October 29, 2020
    Inventors: KUNIHIKO HAYASHI, TORU MITOME, SHINJI WATANABE
  • Patent number: 10808599
    Abstract: A temperature control apparatus of a vehicle of the invention flows a cooling medium in an engine circulation circuit and a battery circulation circuit and an activation of an engine heat exchanging system so as not to perform an engine heat exchanging when an engine temperature is lower than an engine warming end temperature and a battery temperature is lower than a predetermined battery temperature lower than a battery warming end temperature, and flows the cooling medium in the engine circulation circuit and the battery circulation circuit and the activation of the engine heat exchanging system so as to perform the engine heat exchanging when the engine temperature is lower than the engine warming end temperature, and the battery temperature is equal to or higher than the predetermined battery temperature.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: October 20, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoichi Ogura, Kunihiko Hayashi, Yuji Miyoshi, Masatoshi Yano, Yu Ofune
  • Publication number: 20200290426
    Abstract: A vehicle-mounted temperature controller includes a low temperature circuit and a refrigeration circuit. The low temperature circuit has a heat generating equipment heat exchanger exchanging heat with heat generating equipment, a radiator, a first heat exchanger, and a three-way valve. The refrigeration circuit has a second heat exchanger discharging heat from the refrigerant to a high temperature circuit to make the refrigerant condense, and the first heat exchanger making the refrigerant absorb heat from the cooling water to make the refrigerant evaporate. The low temperature circuit includes a first partial circuit through which the cooling water flows through the radiator and the first heat exchanger, and a second partial circuit through which the cooling water flows through the heat generating equipment heat exchanger without passing through the radiator and the first heat exchanger. The cooling water circulates simultaneously and separately at these first partial circuit and second partial circuit.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Inventors: Hidefumi AIKAWA, Manabu ORIHASHI, Yoshio HASEGAWA, Takashi OGAWA, Yuji MIYOSHI, Kunihiko HAYASHI
  • Patent number: 10763478
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery having high safety to reliably prevent the progress of successive heat generation when battery temperature rises caused by abnormalities such as internal short-circuits. The nonaqueous electrolyte secondary battery disclosed herein is provided with an electrode body 20 in which a sheet-shaped positive electrode 50 and a sheet-shaped negative electrode 60 oppose each other across separators 70. In the nonaqueous electrolyte secondary battery disclosed herein, the peel strength of a boundary A between each separator 70 and a positive electrode mix layer 54 is greater than the peel strength of a boundary B between the positive electrode mix layer 54 and a positive electrode collector 52.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: September 1, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kunihiko Hayashi
  • Patent number: 10737611
    Abstract: A road surface display device mounted to an own vehicle includes: a road surface image control portion generating a road surface image which is displayed on a road surface ahead of the own vehicle and includes images each indicating an expected arrival zone where the own vehicle is expected to arrive at an expected arrival time; a detection portion obtaining display states of a different vehicle image, which is a road surface image displayed by a different vehicle, and an own vehicle image, which is the road surface image displayed by the own vehicle, and detecting a presence of overlapping or proximity between the two images; and a display adjustment portion, when the presence of overlapping or proximity is detected, displaying an image indicating a shorter expected arrival time in a region where the presence of overlapping or proximity is detected on the road surface.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: August 11, 2020
    Assignee: DENSO CORPORATION
    Inventors: Narihiro Haneda, Kunihiko Hayashi
  • Patent number: 10739573
    Abstract: An image processing apparatus, an image processing program, and an image processing method for achieving visibility of the entire image used for capturing a microscopic image while concurrently retaining accuracy of image processing are disclosed. The image processing apparatus includes an output value obtaining unit, a first interpolation unit, a second interpolation unit, an image generation unit, and a first edge detection unit. The output value obtaining unit obtains respective output values of light-receiving elements. The first interpolation unit uses a first interpolation algorithm to interpolate a pixel value. The second interpolation unit uses a second interpolation algorithm to interpolate a pixel value. The image generation unit generates an image based on a pixel value, which is interpolated by the first interpolation unit. The first edge detection unit detects an edge using a first edge detection algorithm based on a pixel value, which is interpolated by the second interpolation unit.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: August 11, 2020
    Assignee: Sony Corporation
    Inventors: Kunihiko Hayashi, Toru Mitome, Shinji Watanabe
  • Patent number: 10707539
    Abstract: A battery is provided including an anode, a cathode and an electrolyte; wherein the electrolyte includes one or both of fluoro ethylene carbonate and difluoro ethylene carbonate in an amount of 0.5% by mass or more and 10% by mass or less, wherein the anode includes an anode active material layer provided on an anode current collector, and wherein a thickness of the anode active material layer, after charging the battery, is 58 um or more and 75 um or less.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: July 7, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Akira Yamaguchi, Kunihiko Hayashi, Tadahiko Kubota, Hiroyuki Suzuki, Akira Ichihashi, Yuzuru Fukushima, Hironori Sato, Masaki Kuratsuka, Hideto Watanabe, Kimio Tajima, Masahiro Miyamoto
  • Publication number: 20200161711
    Abstract: Provided is a manufacturing method of a compacted strip-shaped electrode plate including: an undried layer forming step of forming, on a current collector foil, a strip-shaped undried active material layer by rolling out a particle aggregate; a drying step of drying the undried active material layer to form an active material layer; and a pressing step of pressing the active material layer by rollers to compact the active material layer. The particle aggregate is a mixed particle aggregate in which first wet particles manufactured with the content ratio of conductive particles to the total solid content set to W1 and second wet particles manufactured with the content ratio of conductive particles to the total solid content set to W2, W2 being higher than W1, are mixed together.
    Type: Application
    Filed: October 2, 2019
    Publication date: May 21, 2020
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, PRIMEARTH EV ENERGY CO., LTD.
    Inventors: Kunihiko HAYASHI, Shun OKUDA
  • Publication number: 20200047605
    Abstract: A cooling apparatus of a vehicle driving system of the invention connects an engine water circulation passage to a hybrid system water circulation passage and flows cooling water in the engine water circulation passage and the hybrid system water circulation passage to cool a first hybrid system component by the cooling water cooled by an engine radiator and cool a second hybrid system component by the cooling water cooled by a hybrid system radiator when an engine cooling process is not requested, a first hybrid system cooling process is requested, a second hybrid system cooling process is requested, and a connection condition is satisfied. The connection condition is satisfied when the engine cooling process is not requested, and the cooling water flowing into the hybrid system water circulation passage from the engine water circulation passage, can cool the first hybrid system component.
    Type: Application
    Filed: April 16, 2019
    Publication date: February 13, 2020
    Inventors: Takuya HIRAI, Yuji MIYOSHI, Tomohiro SHINAGAWA, Masatoshi YANO, Hiroyuki SUGIHARA, Ryo MICHIKAWAUCHI, Kunihiko HAYASHI, Yoichi OGURA, Hidefumi AIKAWA, Yu OFUNE
  • Patent number: 10497931
    Abstract: A manufacturing method of a lithium ion secondary battery includes: forming a first mixture by mixing powder of a first electrode material, which is one of the active material and the conductive material, with powder of trilithium phosphate; forming a second mixture by mixing the first mixture with powder of a second electrode material which is the other one of the active material and the conductive material; forming a wet granulated body by mixing the second mixture with the binder and a solvent; and forming the active material layer by attaching the wet granulated body to the surface of the current collector foil.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: December 3, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomoyuki Uezono, Tomoya Mesuda, Kunihiko Hayashi
  • Publication number: 20190329644
    Abstract: A cooling apparatus of a vehicle driving system for driving a vehicle according to the invention activates a heat pump to cool a hybrid system by cooling medium and flows an engine cooling water in an engine water circulation passage through a condenser to cool the cooling medium by the engine cooling water at the condenser when an engine water circulation condition is satisfied. The engine water circulation condition is a condition that a heat pump activation condition is satisfied, and an engine cooling condition is not satisfied. The heat pump activation condition is a condition that a process of cooling the hybrid system by the cooling medium of the heat pump is requested. The engine cooling condition is a condition that a process of cooling an internal combustion engine by the engine cooling water is requested.
    Type: Application
    Filed: March 22, 2019
    Publication date: October 31, 2019
    Inventors: Yoichi OGURA, Kunihiko HAYASHI, Masatoshi YANO, Yuji MIYOSHI, Takuya HIRAI, Tomohiro SHINAGAWA, Ryo MICHIKAWAUCHI, Hidefumi AIKAWA, Yu OFUNE
  • Publication number: 20190293762
    Abstract: An optical distance measuring apparatus is provided. The optical distance measuring apparatus includes a housing and multiple light projection and light reception portions. The housing includes an opening face. The multiple light projection and light reception portions emit light, and receive the light after the light is reflected. The multiple light projection and light reception portions are accommodated in the housing. The light is provided by laser light. By combining optical paths of the multiple light projection and light reception portions, a view angle of the optical distance measuring apparatus is widened compared with a view angle of one of the multiple light projection and light reception portions. The optical paths of the multiple light projection and light reception portions overlap with one another in the opening face when seen from a direction perpendicular to a direction along which the view angle of the optical distance measuring apparatus is widened.
    Type: Application
    Filed: December 26, 2016
    Publication date: September 26, 2019
    Applicant: Denso Corporation
    Inventors: Shunpei SUZUKI, Kunihiko HAYASHI
  • Publication number: 20190291710
    Abstract: A temperature control apparatus of a vehicle according to the invention stops activating a heat pump and supplies heat exchanging liquid from an engine passage to a battery passage when a warming of the battery is requested and a temperature of the heat exchanging liquid flowing out of the engine passage is equal to or lower than a permitted upper limit temperature. On the other hand, the apparatus activates the heat pump to cool the heat exchanging liquid and supplies the cooled heat exchanging liquid from the engine passage to the battery passage when the warming of the battery is requested and the temperature of the heat exchanging liquid flowing out of the engine passage is higher than the permitted upper limit temperature.
    Type: Application
    Filed: February 25, 2019
    Publication date: September 26, 2019
    Inventors: Yoichi OGURA, Kunihiko HAYASHI, Yuji MIYOSHI, Masatoshi YANO, Yu OFUNE
  • Publication number: 20190280270
    Abstract: A battery includes at least an electrode array and an electrolyte solution. The electrolyte solution contains at least a solvent and a supporting salt. The electrode array includes at least a positive electrode, a porous insulating layer, and a negative electrode. The porous insulating layer is interposed between the positive electrode and the negative electrode. The porous insulating layer contains at least a group of inorganic nanoparticles and a group of polymer particles. Each inorganic nanoparticle in the group of inorganic nanoparticles is a dielectric. Each inorganic nanoparticle in the group of inorganic nanoparticles is in contact with the electrolyte solution.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 12, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kunihiko HAYASHI, Ryuta Sugiura, Hiroto Asano, Tsuyoshi Sasaki, Chikaaki Okuda