Patents by Inventor Yuta MATSUO
Yuta MATSUO 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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Patent number: 11974432Abstract: According to one embodiment, a semiconductor storage device includes a plurality of electrode films on a substrate, spaced from one another in a first direction. A charge storage film is provided on a side face the electrode films via a first insulating film. A semiconductor film is provided on a side face of the charge storage film via a second insulating film. The charge storage film includes a plurality of insulator regions contacting the first insulating film, a plurality of semiconductor or conductor regions provided between the insulator regions and another insulator region.Type: GrantFiled: August 26, 2021Date of Patent: April 30, 2024Assignee: Kioxia CorporationInventors: Hiroyuki Yamashita, Yuta Saito, Keiichi Sawa, Kazuhiro Matsuo, Yuta Kamiya, Shinji Mori, Kota Takahashi, Junichi Kaneyama, Tomoki Ishimaru, Kenichiro Toratani, Ha Hoang, Shouji Honda, Takafumi Ochiai
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Patent number: 11916837Abstract: A distributed station includes receiver circuitry which, in operation, receives information regarding wireless device switching from a terminal via a first wireless device, and controller circuitry which, in operation, determines, based on the information, switching from the first wireless device to a second wireless device and bandwidth part (BWP) aggregation in the second wireless device.Type: GrantFiled: August 27, 2021Date of Patent: February 27, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Hidenori Matsuo, Yuta Seki
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Patent number: 11909033Abstract: In a nonaqueous electrolyte secondary battery, a negative electrode mix layer includes a first layer and a second layer disposed successively from a negative electrode collector. The first layer contains a first carbon-based active material having a 10% compressive strength of 3 MPa or less and a silicon-based active material containing Si. The second layer contains a second carbon-based active material having a 10% compressive strength of 5 MPa or more and has a lower content (mass ratio) of the silicon-based active material than the first layer.Type: GrantFiled: January 22, 2019Date of Patent: February 20, 2024Assignees: PANASONIC HOLDINGS CORPORATION, PANASONIC ENERGY CO., LTD.Inventors: Kouhei Tsuzuki, Yuki Morikawa, Hirokazu Wada, Yuta Matsuo, Kaori Ishikawa, Katsunori Yanagida
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Publication number: 20230290948Abstract: A secondary battery disclosed herein includes a negative electrode including a negative electrode core body and a negative electrode active material layer formed on the negative electrode core body and including a negative electrode active material. The negative electrode active material layer has, in a Log differential pore volume distribution obtained by a mercury intrusion method, a first peak P1 and a second peak P2 with a larger pore diameter than the first peak P1 in a range where a pore diameter is 0.50 ?m or more and 6.00 ?m or less. The pore volume of pores corresponding to the first peak P1 is 6 mL/g or more.Type: ApplicationFiled: March 9, 2023Publication date: September 14, 2023Inventors: Yuta MATSUO, Kunihiko HAYASHI, Masumi TERAUCHI
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Patent number: 11527749Abstract: A nonaqueous electrolyte secondary battery includes a negative electrode mixture layer formed on a negative electrode current collector. The negative electrode mixture layer includes a first layer and a second layer. The first layer is formed on the negative electrode current collector and includes a negative electrode active material and a first binding agent. The negative electrode active material in the first layer includes a carbon material A and a Si-containing compound. The second layer is formed on the first layer and includes a negative electrode active material and a second binding agent. The negative electrode active material in the second layer includes a carbon material B. The carbon material B has a tap density higher than a tap density of the carbon material A. A packing density of the second layer is lower than a packing density of the first layer.Type: GrantFiled: February 7, 2019Date of Patent: December 13, 2022Assignees: PANASONIC HOLDINGS CORPORATION, SANYO Electric Co., Ltd.Inventors: Daisuke Ito, Kaori Ishikawa, Yuta Matsuo, Yukitoshi Uehara
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Publication number: 20220293943Abstract: A negative electrode active material is prepared by mixing a first graphite particle and a second graphite particle. A negative electrode including the negative electrode active material is produced. A non-aqueous electrolyte secondary battery including the negative electrode, a positive electrode, and an electrolyte solution is produced. The first graphite particle has a first number-based particle size distribution. The second graphite particle has a second number-based particle size distribution. A relationship of “D250/D150?0.50” is satisfied. D150 is a D50 in the first number-based particle size distribution. D250 is a D50 in the second number-based particle size distribution. A relationship of “R2?R1” is satisfied. R1 is an arithmetic mean of circularity of the first graphite particle. R2 is an arithmetic mean of circularity of the second graphite particle.Type: ApplicationFiled: February 24, 2022Publication date: September 15, 2022Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Yuta MATSUO, Kaori ISHIKAWA, Kunihiko HAYASHI, Masumi TERAUCHI
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Publication number: 20220140310Abstract: (A) A first layer is formed by applying a first negative electrode slurry to the surface of a negative electrode substrate. (B) A second layer is formed by applying a second negative electrode slurry to the surface of the first layer. The first negative electrode slurry includes a first negative electrode composite material. The second negative electrode slurry includes a second negative electrode composite material. Each of the first negative electrode composite material and the second negative electrode composite material includes a negative electrode active material and a cellulose-based binder. The negative electrode active material includes a first graphite powder and a second graphite powder. The first negative electrode composite material includes the cellulose-based binder at a first mass fraction. The second negative electrode composite material includes the cellulose-based binder at a second mass fraction.Type: ApplicationFiled: October 14, 2021Publication date: May 5, 2022Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Kazuhiro Sotome, Kaori Ishikawa, Yuta Matsuo, Kentaro Takahashi, Daisuke Ikeda, Kunihiko Hayashi, Naoki UCHIDA
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Publication number: 20220052314Abstract: A negative electrode having a negative electrode collector; and a negative-electrode mixed material layer that is formed atop the negative electrode collector. The negative-electrode mixed material layer includes: a first layer which contains a first carbon-based active material, a silicon-based active material, a polyacrylic acid, or a salt thereof, the first layer being formed atop the negative electrode collector; and a second layer having a tap density greater than that of the first carbon-based active material and a BET specific surface area smaller than that of the first carbon-based active material. The mass of the first layer is at least 50 mass % but less than 90 mass % with respect to the mass of the negative-electrode mixed material layer, and the mass of the second layer is greater than 10 mass % but no more than 50 mass % with respect to the mass of the negative-electrode mixed material layer.Type: ApplicationFiled: November 27, 2019Publication date: February 17, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kaori Ishikawa, Daisuke Ito, Yuta Matsuo, Mamoru Kuramoto
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Publication number: 20210194002Abstract: This negative electrode for a nonaqueous electrolyte secondary battery is configured such that a negative electrode mixture layer has: a first layer that is formed on a negative electrode collector and that contains a first carbonaceous active material, a Si-based active material, a polyacrylic acid or a salt thereof, and a fibrous carbon; and a second layer that is formed on the first layer and that contains a second carbonaceous active material which has a tap density higher than that of the first carbonaceous active material.Type: ApplicationFiled: March 18, 2019Publication date: June 24, 2021Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yuta Matsuo, Kaori Ishikawa, Daisuke Ito, Mamoru Kuramoto
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Publication number: 20210104750Abstract: A negative electrode includes a negative electrode current collector and a negative electrode mixture layer disposed on the current collector, the negative electrode mixture layer including a carbon material and a Si-containing compound. The negative electrode mixture layer includes a lower layer (a first layer) disposed on the negative electrode current collector, and an upper layer (a second layer) disposed on the lower layer. The lower layer includes the carbon material, the Si-containing compound, and a first binder including a polyacrylic acid or a salt thereof. The upper layer includes the carbon material and a second binder. The mass of the lower layer is not less than 50 mass % and less than 90 mass % of the mass of the negative electrode mixture layer, and the mass of the upper layer is more than 10 mass % and not more than 50 mass % of the mass of the negative electrode mixture layer.Type: ApplicationFiled: February 1, 2018Publication date: April 8, 2021Applicants: PANASONIC CORPORATION, SANYO Electric Co., Ltd.Inventors: Daisuke Ito, Yuta Matsuo, Kaori Ishikawa
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Publication number: 20210013496Abstract: In a nonaqueous electrolyte secondary battery, a negative electrode mix layer includes a first layer and a second layer disposed successively from a negative electrode collector. The first layer contains a first carbon-based active material having a 10% compressive strength of 3 MPa or less and a silicon-based active material containing Si. The second layer contains a second carbon-based active material having a 10% compressive strength of 5 MPa or more and has a lower content (mass ratio) of the silicon-based active material than the first layer.Type: ApplicationFiled: January 22, 2019Publication date: January 14, 2021Applicants: Panasonic Corporation, SANYO Electric Co., Ltd.Inventors: Kouhei Tsuzuki, Yuki Morikawa, Hirokazu Wada, Yuta Matsuo, Kaori Ishikawa, Katsunori Yanagida
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Publication number: 20200365878Abstract: A negative electrode for a nonaqueous electrolyte with a negative electrode mixture layer that includes a first layer and a second layer. The first layer is formed on the negative electrode current collector and includes a negative electrode active material and a first binding agent. The negative electrode active material in the first layer includes a carbon material A and a Si-containing compound. The first binding agent includes polyacrylic acid or a salt thereof. The second layer is formed on the first layer and includes a negative electrode active material and a second binding agent. The negative electrode active material in the second layer includes a carbon material B. The carbon material B has a tap density higher than a tap density of the carbon material A. A packing density of the second layer is lower than a packing density of the first layer.Type: ApplicationFiled: December 14, 2018Publication date: November 19, 2020Applicants: Panasonic Corporation, SANYO Electric Co., Ltd.Inventors: Kaori Ishikawa, Yuta Matsuo, Daisuke Ito, Kouhei Tsuzuki
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Publication number: 20200328409Abstract: A nonaqueous electrolyte secondary battery includes a negative electrode mixture layer formed on a negative electrode current collector. The negative electrode mixture layer includes a first layer and a second layer. The first layer is formed on the negative electrode current collector and includes a negative electrode active material and a first binding agent. The negative electrode active material in the first layer includes a carbon material A and a Si-containing compound. The second layer is formed on the first layer and includes a negative electrode active material and a second binding agent. The negative electrode active material in the second layer includes a carbon material B. The carbon material B has a tap density higher than a tap density of the carbon material A. A packing density of the second layer is lower than a packing density of the first layer.Type: ApplicationFiled: February 7, 2019Publication date: October 15, 2020Applicants: Panasonic Corporation, SANYO Electric Co., Ltd.Inventors: Daisuke Ito, Kaori Ishikawa, Yuta Matsuo, Yukitoshi Uehara
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Publication number: 20190344387Abstract: An additive manufacturing apparatus includes heating devices configured to heat layered metal powder composed of an alloy tool steel to a temperature equal to or higher than 150° C. and lower than a melting point, and a light beam radiation device configured to radiate a light beam onto the metal powder heated to the temperature equal to or higher than 150° C. and lower than the melting point by the heating devices to melt the metal powder and form a shaped article. The light beam is radiated in a range narrower than a heating range of the heating devices.Type: ApplicationFiled: April 30, 2019Publication date: November 14, 2019Applicant: JTEKT CORPORATIONInventors: Makoto TANO, Tetsuya MITSUI, Takaya NAGAHAMA, Hiroyuki HOSHINO, Takashi MIZOGUCHI, Yuta MATSUO