Patents by Inventor Naoto Yamashita

Naoto Yamashita 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: 11876193
    Abstract: A battery system includes a plurality of battery modules, each of the battery modules has an assembled battery, which includes a plurality of battery cells connected in series, a monitoring unit that monitors the assembled battery, and an external member that is electrically connected to the monitoring unit. The monitoring unit of each of the battery modules has a generation unit that generates, based on an electric signal input from the external member, an identification information item on the corresponding one of the battery modules, the identification information items of the respective battery modules being different from one another.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: January 16, 2024
    Assignee: DENSO CORPORATION
    Inventors: Naoto Yamashita, Masahiko Ito, Masakazu Kouda, Hisanaga Onishi
  • Patent number: 11870074
    Abstract: An object is to provide a non-aqueous electrolyte secondary battery negative electrode that can suppress a deterioration in durability and improve energy density, and a non-aqueous electrolyte secondary battery including the same. A non-aqueous electrolyte secondary battery negative electrode, comprising: a collector formed of a porous metal body, and a negative electrode material disposed in pores of the porous metal body, wherein the negative electrode material comprises a negative electrode active material formed of a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductivity aid, and a binder.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: January 9, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kiyoshi Tanaami, Makiko Takahashi, Tomohiro Kinoshita, Shintaro Aoyagi, Yuji Isogai, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
  • Publication number: 20230387549
    Abstract: Properties of a porous film used as a separator of a lithium ion cell are improved. A porous film (separator) of the present invention is a porous film including: a porous base substance S; and a coating film CF arranged on a surface of the porous base substance, the coating film includes: alkali silicate; and a first filler, the first filler is made of inorganic particles, and a content of the alkali silicate is equal to or more than 0.05 weight % with respect to the inorganic particles. The inorganic particle includes a material selected from nano silica, micro silica, carbon nanotube, talc, alumina, boehmite, aluminum hydroxide and glass fiber, and the porous film includes a second filler (a hydrophilic group of a cellulose is substituted with a hydrophobic group), a content of which is equal to or more than 0.05 weight % with respect to the inorganic particles. By usage of the porous film, the cell properties such as the thermal resistance and the cycle property can be improved.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 30, 2023
    Inventors: Ryo ISHIGURO, Satoru NAKAMURA, Yusuke KUKEN, Takashi MUKAI, Yuta IKEUCHI, Taichi SAKAMOTO, Keita TORISU, Naoto YAMASHITA
  • Patent number: 11830989
    Abstract: In a battery system including an assembled battery having a plurality of battery cells connected in series, each of a plurality of monitoring units includes a voltage classification unit configured to classify a terminal voltage between each pair of input terminals in the monitoring unit as a cell voltage or as a zero voltage that is a terminal voltage of substantially zero. The input terminals in each of all or all but one of the monitoring units include at least one specific terminal pair for acquiring the zero voltage at a different position and/or include a different number of specific terminal pairs for acquiring the zero voltage. Each of the plurality of monitoring units further includes an identifier generation unit configured to generate an identifier based on at least one of the position of the at least one specific terminal pair and the number of specific terminal pairs.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: November 28, 2023
    Assignee: DENSO CORPORATION
    Inventors: Naoto Yamashita, Masakazu Kouda, Fumihiko Hori, Shunichi Kubo
  • Patent number: 11757175
    Abstract: A straddle type vehicle comprising a rear fender arranged on an upper side of a rear wheel, and a monitoring device configured to monitor a traveling environment on the periphery of a vehicle, wherein the monitoring device includes a pair of sensors, the rear fender includes a sensor support member configured to support one of the pair of sensors on a left side of a vehicle body and the other on a right side of the vehicle body, the sensor support member includes a pair of left and right side wall portions, and a bottom wall portion configured to connect the pair of left and right side wall portions, and the pair of sensors are arranged along the pair of left and right side wall portions on the bottom wall portion.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: September 12, 2023
    Assignee: HONDA MOTOR CO., LTD
    Inventors: Naoto Yamashita, Futoshi Koga, Yoshiyuki Kuroba, Hiroshi Maeda, Akihito Kawamura
  • Patent number: 11715873
    Abstract: The straddle type vehicle comprises an antenna that can receive a wireless signal of a predetermined frequency band, and a sensing unit for sensing a situation in front of the vehicle. A constituent component of the vehicle is arranged between the antenna and the sensing unit.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: August 1, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Futoshi Koga, Naoto Yamashita, Akihito Kawamura, Hiroshi Maeda, Yoshiyuki Kuroba
  • Patent number: 11552298
    Abstract: An object of the present invention is to provide a lithium-ion secondary battery having a large charge and discharge capacity and excellent cycle characteristics irrespective of kind and shape of a current collector. The lithium-ion secondary battery comprises an electrode comprising a primer layer for protecting a current collector and a crosslinking agent layer comprising a compound being capable of crosslinking an aqueous binder contained in the primer layer, the both layers being disposed between a current collector and an active material layer comprising a sulfur-based active material.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: January 10, 2023
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Naoto Yamashita, Takashi Mukai, Masahiro Yanagida, Tatsuya Kubo, Fumiya Chujo
  • Patent number: 11498634
    Abstract: A straddle type vehicle comprising a vehicle body frame including a head pipe and a main frame extending from the head pipe to a rear side, and a headlight unit provided on a front side of the vehicle body frame, and further comprising a support stay fixed to the vehicle body frame to support a predetermined vehicle constituent component on the front side of the vehicle body frame, and a driving support sensor fixed to the support stay on a lower side of the headlight unit.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: November 15, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Akihito Kawamura, Futoshi Koga, Hiroshi Maeda, Yoshiyuki Kuroba, Naoto Yamashita
  • Patent number: 11495799
    Abstract: To provide a negative electrode of a lithium ion battery excellent in cycle life characteristics. The negative electrode for a lithium ion battery includes an Si-based material as an active material, wherein a skeleton-forming agent including a silicate having a siloxane bond or a phosphate having an aluminophosphate bond as an ingredient is present on the surface and inside of an active material layer, and the skeleton of the active material is formed with the skeleton-forming agent.
    Type: Grant
    Filed: March 25, 2017
    Date of Patent: November 8, 2022
    Assignee: ATTACCATO LIMIIED LIABILITY COMPANY
    Inventors: Taichi Sakamoto, Takashi Mukai, Yuta Ikeuchi, Naoto Yamashita, Daichi Iwanari, Kazuma Yoshida, Kazuyoshi Tanaka
  • Publication number: 20220352569
    Abstract: In a battery system including an assembled battery having a plurality of battery cells connected in series, each of a plurality of monitoring units includes a voltage classification unit configured to classify a terminal voltage between each pair of input terminals in the monitoring unit as a cell voltage or as a zero voltage that is a terminal voltage of substantially zero. The input terminals in each of all or all but one of the monitoring units include at least one specific terminal pair for acquiring the zero voltage at a different position and/or include a different number of specific terminal pairs for acquiring the zero voltage. Each of the plurality of monitoring units further includes an identifier generation unit configured to generate an identifier based on at least one of the position of the at least one specific terminal pair and the number of specific terminal pairs.
    Type: Application
    Filed: July 13, 2022
    Publication date: November 3, 2022
    Applicant: DENSO CORPORATION
    Inventors: Naoto YAMASHITA, Masakazu KOUDA, Fumihiko HORI, Shunichi KUBO
  • Publication number: 20220293948
    Abstract: Characteristics of a battery are improved. The nonaqueous electrolyte secondary battery of the present application includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution. The positive electrode has a positive electrode active material and a binder for positive electrode. Then, the positive electrode active material has at least an alkali metal element as a constituent element, and the binder for positive electrode has cellulose and a solvent, and carbon dioxide gas is dissolved in the solvent. Further, a part or all of the surface of the positive electrode active material is coated with the cellulose, and a carbonate compound of the alkali metal element is coated on a part or all of the surface of the cellulose.
    Type: Application
    Filed: October 30, 2018
    Publication date: September 15, 2022
    Inventors: Takashi MUKAI, Yuta IKEUCHI, Taichi SAKAMOTO, Naoto YAMASHITA, Ryou ISHIGURO, Satoru NAKAMURA
  • Patent number: 11424493
    Abstract: In a battery system including an assembled battery having a plurality of battery cells connected in series, each of a plurality of monitoring units includes a voltage classification unit configured to classify a terminal voltage between each pair of input terminals in the monitoring unit as a cell voltage or as a zero voltage that is a terminal voltage of substantially zero. The input terminals in each of all or all but one of the monitoring units include at least one specific terminal pair for acquiring the zero voltage at a different position and/or include a different number of specific terminal pairs for acquiring the zero voltage. Each of the plurality of monitoring units further includes an identifier generation unit configured to generate an identifier based on at least one of the position of the at least one specific terminal pair and the number of specific terminal pairs.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: August 23, 2022
    Assignee: DENSO CORPORATION
    Inventors: Naoto Yamashita, Masakazu Kouda, Fumihiko Hori, Shunichi Kubo
  • Publication number: 20220246919
    Abstract: To provide a negative electrode for nonaqueous electrolyte secondary batteries, by which durability deterioration and structural deterioration of the electrode is suppressed, and cycle durability and energy density can be improved by suppressing generation of voids in the inside of the porous metal, and a nonaqueous electrolyte secondary battery including the same. A negative electrode for nonaqueous electrolyte secondary batteries, having a current collector made of porous metal, and a negative electrode material placed in pores of the porous metal, the negative electrode material including a first negative electrode active material placed on an internal surface of each of the pores and including a silicon-based material; a skeleton forming agent placed on the first negative electrode active material and including a silicate having a siloxane bond; and a second negative electrode active material placed on the skeleton forming agent.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 4, 2022
    Inventors: Kiyoshi TANAAMI, Toshimitsu TANAKA, Yuji ISOGAI, Makiko TAKAHASHI, Shintaro AOYAGI, Takashi MUKAI, Yuta IKEUCHI, Taichi SAKAMOTO, Naoto YAMASHITA
  • Publication number: 20220246905
    Abstract: Provided are a negative electrode that is for use in a non-aqueous electrolyte secondary battery, includes a porous metal body as a current collector, contains a skeleton-forming agent highly infiltrated in the current collector so that It is less likely to suffer from structural degradation and provides improved cycle durability; and a non-aqueous electrolyte secondary battery including such a negative electrode. The negative electrode for use in a non-aqueous electrolyte secondary battery includes a current collector including a porous metal body; a first negative electrode material disposed in pores of the porous metal body and including a conductive aid, a binder, and a negative electrode active material including a silicon-based material; and a second negative electrode material disposed in pores of the porous metal body and including a skeleton-forming agent including a silicate having a siloxane bond.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 4, 2022
    Inventors: Kiyoshi Tanaami, Toshimitsu Tanaka, Yuji Isogai, Makiko Takahashi, Shintaro Aoyagi, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
  • Publication number: 20220246904
    Abstract: To provide a negative electrode for nonaqueous electrolyte secondary batteries, by which the structural deterioration of the electrode is suppressed and cycle characteristics can be improved by absorbing the expansion and contraction of a silicon-based active material placed in the inside of a current collector made of porous metal, and a nonaqueous electrolyte secondary battery including the same. A negative electrode for nonaqueous electrolyte secondary batteries, having a current collector made of porous metal, and a negative electrode material placed in pores of the porous metal, the negative electrode material including a negative electrode active material including a silicon-based material; a skeleton forming agent including a silicate having a siloxane bond; a conductive additive; a binder; and a fibrous material.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 4, 2022
    Inventors: Toshimitsu TANAKA, Kiyoshi TANAAMI, Takashi MUKAI, Yuta IKEUCHI, Taichi SAKAMOTO, Naoto YAMASHITA
  • Patent number: 11400996
    Abstract: A straddle type vehicle comprises: a detection unit for detecting a condition of front of a vehicle; a cleaning member capable of cleaning the detection unit; and a movable apparatus for changing a position of the cleaning member in relation to the detection unit in a height direction of the vehicle, wherein the cleaning member, by the changing of the position, performs the cleaning by wiping with a portion of the detection unit where the cleaning unit contacts the detection unit.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: August 2, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yoshiyuki Kuroba, Futoshi Koga, Hiroshi Maeda, Naoto Yamashita, Akihito Kawamura, Shohei Suzuki
  • Publication number: 20220231299
    Abstract: To provide a nonaqueous electrolyte secondary battery which enables to suppress durability deterioration, improve energy density, and further suppress a decrease in the function of the nonaqueous electrolyte secondary battery cell. A nonaqueous electrolyte secondary battery, comprising: a positive electrode; and a negative electrode, wherein the negative electrode has: a current collector comprising a porous metal body; and a negative electrode material disposed in pores of the porous metal body, the negative electrode material comprises a negative electrode active material comprising a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductive auxiliary, and a binder, and a content of the skeleton-forming agent in an outside in a surface direction of the negative electrode is higher than a content of the skeleton-forming agent in an inside in the surface direction of the negative electrode.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 21, 2022
    Inventors: Kiyoshi Tanaami, Toshimitsu Tanaka, Yuji Isogai, Shintaro Aoyagi, Makiko Takahashi, Tomohiro Kinoshita, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
  • Publication number: 20220158249
    Abstract: The present invention is able to provide a method for producing an all-solid-state battery that has a solid electrolyte layer between a positive electrode layer and a negative electrode layer. This method for producing an all-solid-state battery is characterized by comprising: a step wherein a coating liquid is applied to at least one of the positive electrode layer and the negative electrode layer, said coating liquid containing a solid electrolyte solution, which is obtained by dissolving a solid electrolyte in a solvent, and fine particles which are insoluble in the solid electrolyte solution; and a step wherein the solvent is removed from the applied coating liquid, thereby having the solid electrolyte deposit on at least one of the positive electrode layer and the negative electrode layer.
    Type: Application
    Filed: March 4, 2020
    Publication date: May 19, 2022
    Applicants: MITSUBISHI GAS CHEMICAL COMPANY, INC., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Genki NOGAMI, Keita NOGUCHI, Aki KATORI, Naoto YAMASHITA, Takashi MUKAI, Masahiro YANAGIDA
  • Patent number: 11251418
    Abstract: Provided is a method for manufacturing a slurry for a positive electrode of a nonaqueous electrolyte secondary battery containing an alkali metal complex oxide, the method making it possible to reliably deaerate surplus carbonic acid gas after an alkali component of a slurry containing the alkali metal complex oxide is neutralized within a short period of time. The method for manufacturing a slurry for a positive electrode of a nonaqueous electrolyte secondary battery includes a step of manufacturing an electrode slurry including a step of performing a neutralization treatment on an alkali component in the slurry by using inorganic carbon dissolved in a solvent of the slurry and a step of deaerating the inorganic carbon in the slurry as carbonic acid gas by causing cavitation.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: February 15, 2022
    Assignees: NIHON SPINDLE MANUFACTURING CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Taichi Sakamoto, Takashi Mukai, Yuta Ikeuchi, Naoto Yamashita, Masahiro Yanagida, Keiichi Asami, Keiichiro Onishi
  • Publication number: 20220020989
    Abstract: To provide an electrode for non-aqueous electrolyte batteries, which traps hydrogen sulfide gas, generated from the inside thereof for some reason, in the electrode, and suppresses the outflow of hydrogen sulfide gas to the outside of the battery. An electrode for lithium ion batteries includes a coating material which contains a silanol group and is present on at least a surface of an active material layer. The active material layer contains a sulfur-based material and a resin-based binder. The sulfur-based material is an active material capable of alloying with lithium metal or an active material capable of occluding lithium ions. The coating material containing the silanol group is a silicate having a siloxane bond or a silica fine particle aggregate having a siloxane bond as a component.
    Type: Application
    Filed: November 22, 2019
    Publication date: January 20, 2022
    Applicants: ATTACCATO Limited Liability Company, ADEKA Corporation
    Inventors: Takashi Mukai, Naoto Yamashita, Yuta Ikeuchi, Taichi Sakamoto, Kenji Kakiage, Hiroyuki Osada, Yohei Aoyama