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).
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Publication number: 20240145765Abstract: A non-aqueous electrolyte power storage device in which a coating material having a silanol group is present at least on a surface of an electrode active material layer and a sulfur-based material is contained in a cell, the electrode active material layer contains an electrode active material and a resin-based binder, the electrode active material is an active material capable of being alloyed with a metal element identical to an ion species responsible for electrical conduction or an active material capable of absorbing ions responsible for electrical conduction, and the coating material having a silanol group is a silicate containing a siloxane bond as a component or a silica fine particle aggregate (containing a siloxane bond as a component).Type: ApplicationFiled: October 14, 2020Publication date: May 2, 2024Applicants: ATTACCATO Limited Liability Company, ADEKA CorporationInventors: Takashi Mukai, Naoto Yamashita, Yuta Ikeuchi, Taichi Sakamoto, Kenji Kakiage, Tomofumi Yokomizo, Yohei Aoyama
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Patent number: 11973210Abstract: 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: GrantFiled: January 27, 2022Date of Patent: April 30, 2024Assignee: HONDA MOTOR CO., LTDInventors: Toshimitsu Tanaka, Kiyoshi Tanaami, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
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Patent number: 11961971Abstract: Provided is a production method for an all-solid-state battery having a solid electrolyte layer between a positive electrode layer and a negative electrode layer, the production method including: coating or impregnating the positive electrode layer and/or the negative electrode layer with a solid electrolyte solution in which a boron hydride compound serving as the solid electrolyte has been dissolved in a solvent; and removing the solvent from the coated or impregnated solid electrolyte solution and causing the solid electrolyte to precipitate on the positive electrode layer and/or the negative electrode layer.Type: GrantFiled: October 12, 2018Date of Patent: April 16, 2024Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Genki Nogami, Masahiro Shimada, Tomohiro Ito, Aki Katori, Keita Noguchi, Naoto Yamashita, Takashi Mukai, Masahiro Yanagida
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Patent number: 11955637Abstract: 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: GrantFiled: November 22, 2019Date of Patent: April 9, 2024Assignees: ATTACCATO LIMITED LIABILITY COMPANY, ADEKA CORPORATIONInventors: Takashi Mukai, Naoto Yamashita, Yuta Ikeuchi, Taichi Sakamoto, Kenji Kakiage, Hiroyuki Osada, Yohei Aoyama
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Patent number: 11942623Abstract: 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: GrantFiled: January 27, 2022Date of Patent: March 26, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Kiyoshi Tanaami, Toshimitsu Tanaka, Yuji Isogai, Makiko Takahashi, Shintaro Aoyagi, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
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Publication number: 20240097219Abstract: A battery system comprises a plurality of battery modules, each of the battery modules includes an assembled battery configured to include a plurality of battery cells connected in series, a monitoring unit configured to monitor the assembled battery, and an external member configured to be electrically connected to the monitoring unit, and the monitoring unit of each of the battery modules has a generation unit configured to generate, 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: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Applicant: DENSO CORPORATIONInventors: Naoto YAMASHITA, Masahiko Ito, Masakazu Kouda, Hisanaga Onishi
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Patent number: 11876193Abstract: 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: GrantFiled: June 4, 2021Date of Patent: January 16, 2024Assignee: DENSO CORPORATIONInventors: Naoto Yamashita, Masahiko Ito, Masakazu Kouda, Hisanaga Onishi
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Patent number: 11870074Abstract: 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: GrantFiled: July 6, 2021Date of Patent: January 9, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Kiyoshi Tanaami, Makiko Takahashi, Tomohiro Kinoshita, Shintaro Aoyagi, Yuji Isogai, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
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Publication number: 20230387549Abstract: 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: ApplicationFiled: August 4, 2021Publication date: November 30, 2023Inventors: Ryo ISHIGURO, Satoru NAKAMURA, Yusuke KUKEN, Takashi MUKAI, Yuta IKEUCHI, Taichi SAKAMOTO, Keita TORISU, Naoto YAMASHITA
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Patent number: 11830989Abstract: 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: GrantFiled: July 13, 2022Date of Patent: November 28, 2023Assignee: DENSO CORPORATIONInventors: Naoto Yamashita, Masakazu Kouda, Fumihiko Hori, Shunichi Kubo
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Patent number: 11757175Abstract: 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: GrantFiled: November 12, 2020Date of Patent: September 12, 2023Assignee: HONDA MOTOR CO., LTDInventors: Naoto Yamashita, Futoshi Koga, Yoshiyuki Kuroba, Hiroshi Maeda, Akihito Kawamura
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Patent number: 11715873Abstract: 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: GrantFiled: November 16, 2020Date of Patent: August 1, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Futoshi Koga, Naoto Yamashita, Akihito Kawamura, Hiroshi Maeda, Yoshiyuki Kuroba
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Patent number: 11552298Abstract: 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: GrantFiled: October 11, 2018Date of Patent: January 10, 2023Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Naoto Yamashita, Takashi Mukai, Masahiro Yanagida, Tatsuya Kubo, Fumiya Chujo
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Patent number: 11498634Abstract: 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: GrantFiled: November 12, 2020Date of Patent: November 15, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Akihito Kawamura, Futoshi Koga, Hiroshi Maeda, Yoshiyuki Kuroba, Naoto Yamashita
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Patent number: 11495799Abstract: 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: GrantFiled: March 25, 2017Date of Patent: November 8, 2022Assignee: ATTACCATO LIMIIED LIABILITY COMPANYInventors: Taichi Sakamoto, Takashi Mukai, Yuta Ikeuchi, Naoto Yamashita, Daichi Iwanari, Kazuma Yoshida, Kazuyoshi Tanaka
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Publication number: 20220352569Abstract: 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: ApplicationFiled: July 13, 2022Publication date: November 3, 2022Applicant: DENSO CORPORATIONInventors: Naoto YAMASHITA, Masakazu KOUDA, Fumihiko HORI, Shunichi KUBO
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Publication number: 20220293948Abstract: 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: ApplicationFiled: October 30, 2018Publication date: September 15, 2022Inventors: Takashi MUKAI, Yuta IKEUCHI, Taichi SAKAMOTO, Naoto YAMASHITA, Ryou ISHIGURO, Satoru NAKAMURA
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Patent number: 11424493Abstract: 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: GrantFiled: January 16, 2020Date of Patent: August 23, 2022Assignee: DENSO CORPORATIONInventors: Naoto Yamashita, Masakazu Kouda, Fumihiko Hori, Shunichi Kubo
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Publication number: 20220246905Abstract: 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: ApplicationFiled: January 27, 2022Publication date: August 4, 2022Inventors: Kiyoshi Tanaami, Toshimitsu Tanaka, Yuji Isogai, Makiko Takahashi, Shintaro Aoyagi, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
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Publication number: 20220246919Abstract: 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: ApplicationFiled: January 27, 2022Publication date: August 4, 2022Inventors: Kiyoshi TANAAMI, Toshimitsu TANAKA, Yuji ISOGAI, Makiko TAKAHASHI, Shintaro AOYAGI, Takashi MUKAI, Yuta IKEUCHI, Taichi SAKAMOTO, Naoto YAMASHITA