Patents by Inventor Nobuhiro Inoue
Nobuhiro Inoue 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: 20240140115Abstract: A roll paper printer includes an accommodation section that is configured to accommodate roll paper wound with paper, a platen that pulls out the paper from the roll paper, and transports the paper in a transport direction, a cover that opens and closes the accommodation section, a sensor that is mounted on the accommodation section, is configured to come into contact with an outer circumference of the roll paper at a contacting point, and is configured to detect a remaining amount of the roll paper, and a contact member that is configured to be disposed at a position facing a position of the contacting point with the roll paper interposed therebetween, is configured to come into contact with the outer circumference of the roll paper and rotate, and is configured to move.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Inventors: Tetsugo ISHIDA, Nobuhiro INOUE
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Patent number: 11958101Abstract: A method for manufacturing a forged article, capable of improving the durability of a die for forging is provided. The method, includes forging a steel material, by using a die, by spraying or applying a water-soluble polymer lubricant containing 0.01 to 0.98 mass % of a water-soluble sulfate onto a working surface of the die, the die being made of a raw material having a constituent composition of by mass %, of 0.4 to 0.7% of C, 1.0% or less of Si, 1.0% or less of Mn, 4.0 to 6.0% of Cr, 2.0 to 4.0% of (Mo+½W), 0.5 to 2.5% of (V+Nb), 0 to 1.0% of Ni, 0 to 5.0% of Co, 0.02% or less of N, and a remnant composed of Fe and impurities, and having hardness of 55 to 60 HRC, and the die including a nitrided layer or a nitrosulfidized layer on the working surface thereof.Type: GrantFiled: May 16, 2019Date of Patent: April 16, 2024Assignees: PROTERIAL, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, DAIDO CHEMICAL CO., LTD., UMETOKU CO., LTDInventors: Tatsuya Shouji, Shuho Koseki, Kenichi Inoue, Katsuhiro Obata, Satoshi Murakami, Naoki Hayashi, Yoshikazu Suzuki, Toshifumi Miyamoto, Toru Otomo, Nobuhiro Ikeda, Kousuke Uda, Takashi Ogisu
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Publication number: 20230378473Abstract: Described herein is a positive electrode comprising an active material particle, an acetylene black particle and net-like graphene. The positive electrode can be used in a battery.Type: ApplicationFiled: August 8, 2023Publication date: November 23, 2023Inventors: Hiroatsu TODORIKI, Junpei MOMO, Teppei OGUNI, Nobuhiro INOUE
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Publication number: 20230361271Abstract: A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is provided. The secondary battery includes a negative electrode including a current collector and graphite provided over the current collector, and a positive electrode. The graphite includes a plurality of graphene layers. Surfaces of the plurality of graphene layers are provided substantially along the direction of an electric field generated between the positive electrode and the negative electrode.Type: ApplicationFiled: July 5, 2023Publication date: November 9, 2023Inventors: Shunpei YAMAZAKI, Teppei OGUNI, Tamae MORIWAKA, Junpei MOMO, Ryota TAJIMA, Nobuhiro INOUE
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Publication number: 20230327207Abstract: A storage battery includes positive and negative electrodes and an electrolytic solution. The negative electrode includes a first element and carbon. The first element is any of silicon, tin, gallium, aluminum, germanium, lead, antimony, bismuth, silver, zinc, cadmium, and indium. The negative electrode includes an active material and a first layer in contact with a surface of the active material. The first layer has a thickness of 10 nm to 1000 nm inclusive. The electrolytic solution contains first and second cations. The first cation is one or more of a lithium ion, a sodium ion, a calcium ion, and a magnesium ion. The second cation is an imidazolium cation or a tertiary sulfonium cation.Type: ApplicationFiled: May 1, 2023Publication date: October 12, 2023Inventors: Nobuhiro INOUE, Masaki YAMAKAJI, Jun ISHIKAWA, Kazuhei NARITA
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Patent number: 11699782Abstract: A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is provided. The secondary battery includes a negative electrode including a current collector and graphite provided over the current collector, and a positive electrode. The graphite includes a plurality of graphene layers. Surfaces of the plurality of graphene layers are provided substantially along the direction of an electric field generated between the positive electrode and the negative electrode.Type: GrantFiled: June 18, 2020Date of Patent: July 11, 2023Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei Yamazaki, Teppei Oguni, Tamae Moriwaka, Junpei Momo, Ryota Tajima, Nobuhiro Inoue
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Publication number: 20230216019Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: March 9, 2023Publication date: July 6, 2023Inventors: Nobuhiro INOUE, Sachiko KATANIWA, Kazutaka KURIKI, Junpei MOMO
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Patent number: 11677073Abstract: A power storage device with high capacity is provided. Alternatively, a power storage device with excellent cycle characteristics is provided. Alternatively, a power storage device with high charge and discharge efficiency is provided. Alternatively, a power storage device with a long lifetime is provided. A negative electrode active material includes a first region and a second region. The first region includes at least one element selected from Si, Mg, Ca, Ga, Al, Ge, Sn, Pb, Sb, Bi, Ag, Zn, Cd, As, Hg, and In. The second region includes oxygen and the same element as the one included in the first region. The crystallite size of the element included in the first region is larger than or equal to 1 nm and smaller than or equal to 10 nm.Type: GrantFiled: November 10, 2020Date of Patent: June 13, 2023Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Nobuhiro Inoue, Kiyofumi Ogino
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Patent number: 11605804Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering pan of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: July 1, 2021Date of Patent: March 14, 2023Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
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Patent number: 11489148Abstract: An object of one embodiment of the present invention is to provide a secondary battery in which deterioration of charge-discharge cycle characteristics is suppressed, to suppress generation of defects caused by expansion and contraction of an active material in a negative electrode, or to prevent deterioration caused by deformation of a secondary battery. To prevent deterioration, a material that can be alloyed with lithium and fluidified easily is used for a negative electrode. To hold a negative electrode active material over a surface of a current collector, a covering layer that covers the negative electrode active material is provided. Furthermore, a portion where the current collector and the negative electrode active material are in contact with each other is alloyed. In other words, an alloy that is in contact with both the current collector and the negative electrode active material is provided in the negative electrode.Type: GrantFiled: January 28, 2020Date of Patent: November 1, 2022Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Nobuhiro Inoue, Ryota Tajima, Naoki Kurihara, Junpei Momo
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Patent number: 11444324Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution where (A) the electrolytic solution contains a solvent and an electrolyte salt, the solvent containing ethylene carbonate, (B) a content of the electrolyte salt is from 0.8 mol/kg to 2.0 mol/kg both inclusive, (C) a content of the ethylene carbonate in the solvent is from 10 wt % to 30 wt % both inclusive, (D) a ratio M2/M1 of a number M2 of moles of the ethylene carbonate to a number M1 of moles of the electrolyte salt is from 0.4 to 2.4 both inclusive, and (E) the electrolytic solution contains at least one of sulfone compounds.Type: GrantFiled: August 7, 2019Date of Patent: September 13, 2022Assignee: Murata Manufacturing Co., Ltd.Inventors: Yusuke Morino, Izaya Okae, Nobuhiro Inoue, Kazumasa Takeshi
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Publication number: 20220263119Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolyte provided between the positive electrode and the negative electrode. The positive electrode includes a positive electrode current collector and a positive electrode active material layer over the positive electrode current collector. The positive electrode active material layer includes a plurality of lithium-containing composite oxides each of which is expressed by LiMPO4 (M is one or more of Fe (II), Mn (II), Co (II), and Ni (II)) that is a general formula. The lithium-containing composite oxide is a flat single crystal particle in which the length in the b-axis direction is shorter than each of the lengths in the a-axis direction and the c-axis direction. The lithium-containing composite oxide is provided over the positive electrode current collector so that the b-axis of the single crystal particle intersects with the surface of the positive electrode current collector.Type: ApplicationFiled: May 4, 2022Publication date: August 18, 2022Inventors: Tomoya FUTAMURA, Tamae MORIWAKA, Takahiro KAWAKAMI, Junpei MOMO, Nobuhiro INOUE
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Patent number: 11335945Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolyte provided between the positive electrode and the negative electrode. The positive electrode includes a positive electrode current collector and a positive electrode active material layer over the positive electrode current collector. The positive electrode active material layer includes a plurality of lithium-containing composite oxides each of which is expressed by LiMPO4 (M is one or more of Fe (II), Mn (II), Co (II), and Ni (II)) that is a general formula. The lithium-containing composite oxide is a flat single crystal particle in which the length in the b-axis direction is shorter than each of the lengths in the a-axis direction and the c-axis direction. The lithium-containing composite oxide is provided over the positive electrode current collector so that the b-axis of the single crystal particle intersects with the surface of the positive electrode current collector.Type: GrantFiled: February 14, 2020Date of Patent: May 17, 2022Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Tomoya Futamura, Tamae Moriwaka, Takahiro Kawakami, Junpei Momo, Nobuhiro Inoue
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Publication number: 20220037639Abstract: An electrode structure includes active material particles, and a covering film having an insulating property. The active material particles are connected to each other and form a porous structure having voids. The covering film has a thickness of less than or equal to 1 nanometer, and covers at least some of inner wall faces of the active material particles. The inner wall faces are located inside the voids.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Inventor: Nobuhiro INOUE
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Publication number: 20210408516Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering pan of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: ApplicationFiled: July 1, 2021Publication date: December 30, 2021Inventors: Nobuhiro INOUE, Sachiko KATANIWA, Kazutaka KURIKI, Junpei MOMO
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Patent number: 11056678Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor: thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.Type: GrantFiled: April 15, 2019Date of Patent: July 6, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
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Publication number: 20210057738Abstract: A power storage device with high capacity is provided. Alternatively, a power storage device with excellent cycle characteristics is provided. Alternatively, a power storage device with high charge and discharge efficiency is provided. Alternatively, a power storage device with a long lifetime is provided. A negative electrode active material includes a first region and a second region. The first region includes at least one element selected from Si, Mg, Ca, Ga, Al, Ge, Sn, Pb, Sb, Bi, Ag, Zn, Cd, As, Hg, and In. The second region includes oxygen and the same element as the one included in the first region. The crystallite size of the element included in the first region is larger than or equal to 1 nm and smaller than or equal to 10 nm.Type: ApplicationFiled: November 10, 2020Publication date: February 25, 2021Inventors: Nobuhiro INOUE, Kiyofumi OGINO
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Patent number: 10875327Abstract: A printer includes a first blade configured to be movable between a standby position and a cutting position, a second blade configured to contact the first blade located in the cutting position, a drive mechanism configured to drive the first blade, and a first elastic member configured to pull the first blade located in the cutting position. When the first blade is located in the cutting position, the first elastic member pulls the first blade in a direction in which the first blade moves to the standby position, and pulls the first blade in a direction in which the first blade approaches the second blade.Type: GrantFiled: September 11, 2019Date of Patent: December 29, 2020Assignee: Seiko Epson CorporationInventors: Nobuhiro Inoue, Tetsugo Ishida
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Patent number: 10847791Abstract: A power storage device with high capacity is provided. Alternatively, a power storage device with excellent cycle characteristics is provided. Alternatively, a power storage device with high charge and discharge efficiency is provided. Alternatively, a power storage device with a long lifetime is provided. A negative electrode active material includes a first region and a second region. The first region includes at least one element selected from Si, Mg, Ca, Ga, Al, Ge, Sn, Pb, Sb, Bi, Ag, Zn, Cd, As, Hg, and In. The second region includes oxygen and the same element as the one included in the first region. The crystallite size of the element included in the first region is larger than or equal to 1 nm and smaller than or equal to 10 nm.Type: GrantFiled: July 11, 2018Date of Patent: November 24, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuhiro Inoue, Kiyofumi Ogino
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Publication number: 20200321605Abstract: A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is provided. The secondary battery includes a negative electrode including a current collector and graphite provided over the current collector, and a positive electrode. The graphite includes a plurality of graphene layers. Surfaces of the plurality of graphene layers are provided substantially along the direction of an electric field generated between the positive electrode and the negative electrode.Type: ApplicationFiled: June 18, 2020Publication date: October 8, 2020Inventors: Shunpei YAMAZAKI, Teppei OGUNI, Tamae MORIWAKA, Junpei MOMO, Ryota TAJIMA, Nobuhiro INOUE