Patents Assigned to Panasonic Holdings Corporation
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Patent number: 12046078Abstract: An accident detection device is provided with: a possession detection unit that uses a photographed images from a surveillance camera to detect a person and a possession, which is an object possessed by the person; and an accident determination unit that determines whether an accident has occurred on the basis of movement of the person and the possession in the photographed images from the surveillance camera.Type: GrantFiled: January 14, 2020Date of Patent: July 23, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventor: Takeshi Watanabe
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Patent number: 12040845Abstract: A radio wave environment measurement device includes: a multi-copter type unmanned flight vehicle configured to move in midair; a polyhedron attached to an airframe of the multi-copter type unmanned flight vehicle, the polyhedron having a plurality of surfaces; and an antenna provided on each of the plurality of surfaces of the polyhedron.Type: GrantFiled: September 24, 2021Date of Patent: July 16, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Keisuke Fujimoto, Takuya Asada, Toshiyuki Maeda
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Publication number: 20240234699Abstract: An electrode material has a solid concentration of 72% or more. It includes a composite particle, a sulfide solid electrolyte, and a solvent. The composite particle includes an active material and a fluoride solid electrolyte. The fluoride solid electrolyte covers at least part of a surface of the active material. The sulfide solid electrolyte is adhered to the composite particle.Type: ApplicationFiled: June 20, 2023Publication date: July 11, 2024Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Panasonic Holdings CorporationInventors: Hiroki YABE, Keita MIZUNO, Yusuke NISHIO
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Publication number: 20240234680Abstract: An all-solid-state battery has a positive electrode layer, a separator layer and a negative electrode layer. The all-solid-state battery satisfies relationships of “Formula (1): 0.99?Sa0/Sc0?1.01,” “Formula (2): 1.00?Sa1/Sa0?1.13,” and “Formula (3): 0.93?Sc1/Sc0?1.02.” Sc0 indicates an area of the positive electrode layer when the SOC is 0%. Sc1 indicates an area of the positive electrode layer when the SOC is 100%. Sa0 indicates an area of the negative electrode layer when the SOC is 0%. Sa1 indicates an area of the negative electrode layer when the SOC is 100%.Type: ApplicationFiled: October 6, 2023Publication date: July 11, 2024Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, PANASONIC HOLDINGS CORPORATIONInventors: Akio MITSUI, Kazuhiro MORIOKA, Koichi HIRANO
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Patent number: 12034468Abstract: An antenna wireless device includes: antenna elements; feed ports respectively corresponding to the antenna elements; one or more detection ports each corresponding to some or all of the plurality of antenna elements; transceiver circuits respectively connected to feed ports; and one or more reference transceiver circuits each connected to a corresponding one or more of the one or more detection ports. For each antenna element, the transceiver circuit processes a first signal to generate a second signal, the second signal fed to the feed port is output to the reference transceiver circuit through the detection port, the reference transceiver circuit processes the second signal to generate a third signal, and detects an amplitude and phase deviation based on the first signal and the third signal, and the transceiver circuit adjusts a phase and an amplitude of a transmission signal based on the amplitude and phase deviation.Type: GrantFiled: March 29, 2022Date of Patent: July 9, 2024Assignee: Panasonic Holdings CorporationInventors: Tomoyuki Kinpara, Taiji Akizuki, Kazuya Toki, Takayuki Sotoyama, Naoki Adachi
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Patent number: 12034100Abstract: A semiconductor light-emitting device includes: a semiconductor light-emitting element; a submount configured to have mounted thereon the semiconductor light-emitting element; and the like. The semiconductor light-emitting element includes a light guide layer, and a taper waveguide configured to cause light generated in the light guide layer to propagate. An equivalent refractive index of the taper waveguide is, in a predetermined range from an end face of the taper waveguide, higher at a center in a width direction of the taper waveguide than on outer sides in the width direction of the taper waveguide.Type: GrantFiled: October 7, 2019Date of Patent: July 9, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventor: Masao Kawaguchi
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Publication number: 20240213806Abstract: A power transmission device includes power transmission coils arranged in a line, a power transmission circuit connected to the power transmission coils, and control circuitry that switches an electrical connection between the power transmission circuit and each power transmission coil, detects a relative position between the power receiving coil and each power transmission coil, selects two or more power transmission coils adjacent to each other based on the detected relative position, and causes the power transmission circuit to supply the AC power to the selected two or more power transmission coils. In a direction perpendicular to an array direction of the power transmission coils, width Dlt of each power transmission coil is equal to or longer than width Dlr of the power receiving coil. In the array direction, width Dwt of each power transmission coil is shorter than width Dwr of the power receiving coil and satisfies 0.2?Dwt/Dwr.Type: ApplicationFiled: March 5, 2024Publication date: June 27, 2024Applicant: PANASONIC HOLDINGS CORPORATIONInventors: Hiromu MATSUMOTO, Hiroshi KANNO, Atsushi YAMAMOTO
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Patent number: 12018790Abstract: A heat insulator is disclosed which simplifies processes of measures for preventing contamination of a surrounding caused by falling off of a silica aerogel in a silica-aerogel support heat insulator. In the silica-aerogel support heat insulator, a support layer whose melting point is lower than a melting point of a fiber supporting the silica aerogel is used, and by performing thermal-pressure bonding at a temperature lower than the melting point of the fiber but higher than the melting point of the support layer to cause the support layer to enter the fiber to combine the support layer and the fiber. Thus, processes of measures for preventing contamination of a surrounding caused by falling off of the silica aerogel can be simplified, and use in a large size and/or in a complicated shape is made possible.Type: GrantFiled: September 6, 2018Date of Patent: June 25, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Terutsugu Segawa, Masayuki Umeda
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Patent number: 12021247Abstract: There is provided a prismatic power storage device having a reduced weight and ensuring a space for an electrode body that expands during charging, while the rigidity of an insulating sheet is ensured. A prismatic power storage device according to an aspect of the present disclosure includes: an electrode body (11) including a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate; an insulating holder (30) formed by shaping an insulating sheet (31) into a box shape and accommodating the electrode body (11); a prismatic outer case having an opening and accommodating the electrode body (11) and the insulating holder (30); and a sealing body sealing the opening of the outer case. The insulating sheet (31) includes a porous body.Type: GrantFiled: October 10, 2019Date of Patent: June 25, 2024Assignees: SANYO Electric Co., Ltd., PANASONIC HOLDINGS CORPORATIONInventors: Ryoichi Wakimoto, Kazutaka Mita
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Patent number: 12021261Abstract: A stacked secondary battery having an electrode body in which at least one positive and at least one negative plate are stacked, with a multilayered separator interposed, said separator including two porous layers of different materials; and an outer packaging case housing an insulating holder and an electrolyte together, said insulating holder housing the electrode body and being formed of overlapping sheets comprises an insulating material. The outer packaging case has a bottom surface, a plurality of side walls that are provided standing upright from the bottom surface, and an opening that is opposite from the bottom surface. In at least one separator, a section that is exposed from end surfaces of active material mixture layers and metal foil-comprising core bodies of the positive plate and the negative plate is in contact with the vicinity of a bottom line of a valley section that is formed from the sheet.Type: GrantFiled: November 27, 2019Date of Patent: June 25, 2024Assignees: PANASONIC HOLDINGS CORPORATION, SANYO Electric Co., Ltd.Inventors: Hideo Kasahara, Ryosuke Iwata, Ryoichi Wakimoto
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Patent number: 12019789Abstract: A program execution device capable of protecting a program against unauthorized analysis and alteration is provided. The program execution device includes an execution unit, a first protection unit, and a second protection unit. The execution unit executes a first program and a second program, and is connected with an external device that is capable of controlling the execution. The first protection unit disconnects the execution unit from the external device while the execution unit is executing the first program. The second protection unit protects the first program while the execution unit is executing the second program.Type: GrantFiled: April 7, 2023Date of Patent: June 25, 2024Assignee: Panasonic Holdings CorporationInventors: Hideki Matsushima, Teruto Hirota, Yukie Shoda, Shunji Harada
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Patent number: 12018895Abstract: A supercooling release device releases a supercooled state of a heat storage material. The supercooling release device includes a first member having a concave portion on a surface and a second member facing the surface and covering the concave portion. The second member can be for example brought into close contact with the first member. The supercooling release device for example applies a load to at least one of the first member and the second member to bring the first member and the second member into close contact with each other.Type: GrantFiled: February 7, 2020Date of Patent: June 25, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Ryuichi Ozaki, Kou Sugano, Tatsuya Nakamura
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Patent number: 12015139Abstract: The purpose of the present disclosure is to provide a non-aqueous electrolyte secondary battery having excellent low-temperature properties. A non-aqueous electrolyte secondary battery according to an aspect of the present disclosure comprises a negative electrode having: a negative electrode current collector; and a negative electrode active material layer disposed on the negative electrode current collector, wherein the negative electrode active material layer contains graphite particles A and graphite particles B as a negative electrode active material. The internal porosity of graphite particles A is 8-20%, and the internal porosity of graphite particles B is 5% or less. When the negative electrode active material layer is bisected in the thickness direction into a negative electrode current collector-side first half region and an outer surface-side second half region, the amount of graphite particles A in the second half region is greater than in the first half region.Type: GrantFiled: February 21, 2020Date of Patent: June 18, 2024Assignees: PANASONIC ENERGY CO., LTD., PANASONIC HOLDINGS CORPORATIONInventors: Syunsuke Natsumeda, Takuya Shinomiya, Takamitsu Tashita, Fumikazu Mizukoshi
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Patent number: 12005899Abstract: The present invention provides a vehicle with which it is possible to realize stable platoon travel. This vehicle (100) travels autonomously by following a leading vehicle while maintaining a prescribed distance between vehicles, wherein the vehicle (100) has: a detection unit (110) that detects moving bodies present around the vehicle; and a control unit (160) that determines an entering moving body, among the moving bodies detected by the detection unit (110), that may enter an area between the vehicle and the leading vehicle, and causes the vehicle to accelerate or decelerate on the basis of the distance between the entering moving body and the area.Type: GrantFiled: February 4, 2020Date of Patent: June 11, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Hiroyuki Sasai, Hiroyuki Uematsu, Takeshi Ando, Duyhinh Nguyen
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Patent number: 12002946Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and an electrolyte liquid. The negative electrode includes a negative electrode mixture layer containing a first negative electrode active material and a negative electrode collector to which the negative electrode mixture layer is adhered. The first negative electrode active material contains a first lithium silicate phase containing lithium, silicon, and oxygen and first silicon particles dispersed in the first lithium silicate phase. An atomic ratio A1:O/Si of the oxygen to the silicon in the first lithium silicate phase satisfies a relationship of 2<A1?3. At a surface side of the negative electrode, an existence ratio of the first negative electrode active material in the negative electrode mixture layer is high as compared to that at a negative electrode collector side of the negative electrode.Type: GrantFiled: August 2, 2019Date of Patent: June 4, 2024Assignees: PANASONIC HOLDINGS CORPORATION, PANASONIC ENERGY CO., LTD.Inventors: Shunsuke Nambuya, Yuto Horiuchi, Shimpei Yamagami
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Patent number: 11996541Abstract: A device for manufacturing a laminated electrode body comprises: a negative electrode cutting drum that forms a negative electrode sheet by cutting a negative electrode single sheet to a first width and conveys the negative electrode sheet; a negative electrode heating drum that heats the negative electrode sheet; a positive electrode cutting drum that forms a positive electrode sheet by cutting a positive electrode single sheet to a second width and conveys the positive electrode sheet; a positive electrode heating drum that heats the positive electrode sheet; and a bonding drum at which the negative electrode sheet is arranged on a first separator single sheet, a second separator single sheet is arranged on the negative electrode sheet, the positive electrode sheet is arranged on the second separator single sheet, and the sheets are bonded. The conveyance between drums is carried out by a belt conveyor which joins with two drums.Type: GrantFiled: March 11, 2020Date of Patent: May 28, 2024Assignees: PANASONIC HOLDINGS CORPORATION, PANASONIC ENERGY CO., LTD.Inventors: Tatsuya Masada, Kenji Inagaki, Masahide Maruyama
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Publication number: 20240170638Abstract: A method of manufacturing a solid-state battery, the method including: over-discharging the solid-state battery having a solid sulfide electrolyte layer.Type: ApplicationFiled: November 17, 2023Publication date: May 23, 2024Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Panasonic Holdings CorporationInventors: Akio MITSUI, Kenji NAGAO, Izuru SASAKI
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Patent number: 11990542Abstract: A nitride semiconductor device includes: a substrate; an n-type drift layer; a p-type blocking layer; a gate opening which penetrates through the blocking layer to the drift layer; an electron transport layer and an electron supply layer provided on an inner face of the gate opening; a gate electrode above the electron supply layer and covering the gate opening; a source opening penetrating through the electron supply layer and the electron transport layer to the blocking layer; a source electrode covering the source opening, the source electrode being connected to the electron supply layer, the electron transport layer, and the blocking layer; and a drain electrode on a side of the substrate opposite from a side on which the blocking layer is located. A bottom face of the gate electrode is closer to the drain electrode than a bottom face of the blocking layer is.Type: GrantFiled: November 25, 2019Date of Patent: May 21, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Daisuke Shibata, Satoshi Tamura, Masahiro Ogawa
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Patent number: D1029606Type: GrantFiled: November 8, 2022Date of Patent: June 4, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventor: Sho Sugie
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Patent number: D1030436Type: GrantFiled: November 8, 2022Date of Patent: June 11, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventor: Sho Sugie