Patents by Inventor Kentaro Tsukamoto
Kentaro Tsukamoto 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: 11870040Abstract: According to the present disclosure, a technique capable of suppressing an internal short circuit caused by a peeled metal piece and obtaining a safer secondary battery is provided. An electrode plate (negative electrode plate) disclosed herein includes a negative electrode core including copper or a copper alloy, a negative electrode active material layer applied to a surface of the negative electrode core, and a negative electrode tab protruding to the outside from one end side in a width direction. In the negative electrode plate, a first region having an oxide film having a thickness of 40 nm to 200 nm is formed in a region of 0.01 mm to 0.2 mm from an outer end side of the negative electrode tab toward the inside in the width direction, and the first region 22t1 extends along the outer end side 22ta of the negative electrode tab 22t.Type: GrantFiled: January 14, 2022Date of Patent: January 9, 2024Assignee: Prime Planet Energy & Solutions, Inc.Inventors: Kentaro Tsukamoto, Yoshifumi Magari
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Publication number: 20230381969Abstract: A method for performing calibration between a robot coordinate system and a camera coordinate system includes achieving a first state in which a criterion point at a predetermined surface is located at the center of an image captured with a camera, achieving a second state in which the camera is rotated by a first angle of rotation around a first imaginary axis perpendicular to the predetermined surface and passing through a control point at the arm, achieving a third state in which the criterion point is located at the center of the image captured with the camera, deriving a reference point that is a provisional position of the criterion point based on information on the first and third states and the first angle of rotation, achieving a fourth state in which the camera is rotated by a second angle of rotation around a second imaginary axis perpendicular to the predetermined surface and passing through the reference point, achieving a fifth state in which the criterion point is located at the center of the iType: ApplicationFiled: May 25, 2023Publication date: November 30, 2023Inventors: Kentaro TSUKAMOTO, Kenji MATSUURA
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Patent number: 11759955Abstract: A calibration method, in a robot having a robot arm, of obtaining a position relationship between a first control point set for an end effector attached to a distal end of the robot arm and a second control point set on the distal end of the robot arm, includes a sixth step of calculating a second position relationship between a second reference position obtained from a position of the second control point in a third state and a position of the second control point in a fourth state and a first feature point in the fourth state, and a seventh step of calculating coordinates of the first feature point in a robot coordinate system based on a first position relationship and the second position relationship.Type: GrantFiled: March 18, 2021Date of Patent: September 19, 2023Inventors: Kentaro Tsukamoto, Kenji Matsuura
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Publication number: 20230207981Abstract: The herein disclosed manufacturing method of the electrode plate includes a core body exposed area cutting step for cutting a negative electrode core body exposed area with a laser, on which a negative electrode core body is exposed while a negative electrode active material layer is not provided, so as to form a negative electrode tab. Then, regarding the herein disclosed manufacturing method of the electrode plate, the negative electrode core body includes a first surface and a second surface whose surface roughness is smaller than the first surface, and the laser is irradiated to the first surface. By doing this, it is possible to suppress the sputters from sticking to the second surface, and therefore it is possible to decrease the sticking number of the sputters to the negative electrode tab.Type: ApplicationFiled: December 23, 2022Publication date: June 29, 2023Inventors: Kentaro TSUKAMOTO, Kyogo SUMI, Yoshifumi MAGARI
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Publication number: 20230042958Abstract: According to the present disclosure, it is possible to inhibit the electrically conductive foreign substance from falling off and being peeled off from the electrode plate that has been already manufactured, so as to contribute in improving the safety property of the secondary battery. The manufacturing method of the electrode plate herein disclosed includes a precursor preparing step for preparing an electrode precursor 20A including an active material provided area A1 in which an electrode active material layer 24 is provided on a surface of the electrode core 22 and including a core exposed area A2 in which the electrode active material layer 24 is not provided and the electrode core 22 is exposed, and an active material provided area cutting step for cutting the active material provided area A1 by a pulse laser, and a core exposed area cutting step for cutting the core exposed area A2 by the pulse laser.Type: ApplicationFiled: July 8, 2022Publication date: February 9, 2023Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Kentaro TSUKAMOTO, Yoshifumi MAGARI
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Publication number: 20230021118Abstract: According to the present disclosure, it is possible to inhibit the electrically conductive foreign substance from falling off and being peeled off from the electrode plate that has been already manufactured, so as to contribute in improving the safety property of the secondary battery. The manufacturing method of the electrode plate herein disclosed includes a precursor preparing step for preparing an electrode precursor 20A including an active substance provided area A1 in which an electrode active substance layer 24 is provided on a surface of the electrode substrate 22 and including a substrate exposed area A2 in which the electrode active substance layer 24 is not provided and the electrode substrate 22 is exposed, an active substance provided area cutting step for cutting the active substance provided area A1 by a pulse laser, and a substrate exposed area cutting step for cutting the substrate exposed area A2 by the pulse laser.Type: ApplicationFiled: July 8, 2022Publication date: January 19, 2023Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Kentaro TSUKAMOTO, Yoshifumi MAGARI
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Publication number: 20220393250Abstract: An electrode plate which is to be contained in a wound or multilayer electrode body, and which is provided with: a band-like electrode plate core body; mixture layers that are formed on both surfaces of the electrode plate core body; and a tab that extends from one end of the electrode plate core body in the short-side direction. With respect to this electrode plate, the front edge of the electrode plate core body at the end from which the tab extends is covered by the mixture layers.Type: ApplicationFiled: October 19, 2020Publication date: December 8, 2022Applicant: SANYO Electric Co., Ltd.Inventors: Kentaro Tsukamoto, Yoshifumi Magari
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Publication number: 20220258353Abstract: A calibration method for, in a robot including a robot arm, calculating a positional relation between a first control point set in an end effector attached to the distal end of the robot arm and a second control point set further on the robot arm side than the end effector, the calibration method calculating a coordinate in a robot coordinate system of a first feature point of the robot associated with the first control point based on a first vector and a second vector calculated using an imaging section while moving the robot arm.Type: ApplicationFiled: February 16, 2022Publication date: August 18, 2022Inventors: Kentaro TSUKAMOTO, Kazuki HORIUCHI, Kenji MATSUURA
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Publication number: 20220246990Abstract: According to the present disclosure, a technique capable of suppressing an internal short circuit caused by a peeled metal piece and obtaining a safer secondary battery is provided. An electrode plate (negative electrode plate) disclosed herein includes a negative electrode core including copper or a copper alloy, a negative electrode active material layer applied to a surface of the negative electrode core, and a negative electrode tab protruding to the outside from one end side in a width direction. In the negative electrode plate, a first region having an oxide film having a thickness of 40 nm to 200 nm is formed in a region of 0.01 mm to 0.2 mm from an outer end side of the negative electrode tab toward the inside in the width direction, and the first region 22t1 extends along the outer end side 22ta of the negative electrode tab 22t.Type: ApplicationFiled: January 14, 2022Publication date: August 4, 2022Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Kentaro TSUKAMOTO, Yoshifumi MAGARI
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Publication number: 20220246908Abstract: According to the present disclosure, there is provided a technique making it possible to prevent an electrode active material layer and a protective layer from falling off or peeling off at the laser cutting site of an electrode plate and to obtain a highly safe secondary battery. A manufacturing method disclosed herein includes a step of preparing a positive electrode precursor having a positive electrode active material layer and a protective layer applied to a surface of a positive electrode core, and a step of cutting a protective layer application region of the positive electrode precursor by a continuous wave laser. As a result, it is possible to prevent the protective layer from falling off or peeling off due to the impact during laser irradiation.Type: ApplicationFiled: January 14, 2022Publication date: August 4, 2022Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Kentaro TSUKAMOTO, Yoshifumi MAGARI
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Publication number: 20220200107Abstract: This positive electrode plate, included in a rolled electrode body, is characterized by comprising a belt-shape positive electrode core, a positive electrode active material layer which, along the long direction of the positive electrode core, is formed in a belt shape on at least part of the surface of the positive electrode core, and a positive electrode tab which extends in the short direction of the positive electrode core from the active material layer-uncoated area of the surface of the positive electrode core where the positive electrode active material layer is not formed, and the root width H1 and the maximum width H2 of the positive electrode tab satisfy the relation 0.4×H2?H1?0.9×H2.Type: ApplicationFiled: April 24, 2020Publication date: June 23, 2022Applicant: SANYO Electric Co., Ltd.Inventors: Kentaro Tsukamoto, Atsutoshi Ako, Yoshifumi Magari
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Publication number: 20220109147Abstract: A positive electrode plate that has a positive electrode active material layer formed on a positive electrode core, wherein the positive electrode core has, on an edge side, a thick portion which has a thickness that is greater than the thickness of a portion of the positive electrode core that has the positive electrode active material layer formed on both sides, and the positive electrode plate has a first region that extends into the thick portion from the portion of the positive electrode core that has the positive electrode active material layer formed on both sides and a second region that is positioned outside the first region in the thick portion. The average maximum diameter of the metal crystal grains that compose the first region is smaller than those of the second region.Type: ApplicationFiled: December 24, 2019Publication date: April 7, 2022Applicant: SANYO Electric Co., Ltd.Inventors: Kazuaki Tamura, Yoshifumi Magari, Atsutoshi Ako, Akira Nishida, Kentaro Tsukamoto, Tomoyuki Yamada
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Publication number: 20220059911Abstract: A secondary battery provided with: a belt-like positive electrode plate having a plurality of positive electrode tabs; and a positive electrode current collector which is connected so that the plurality of positive electrode tabs are stacked, wherein the positive electrode plate has a positive electrode core body and a positive electrode active material layer formed on the positive electrode core bodies. At one edge side of the positive electrode plate where the plurality of positive electrode tabs are provided, one surface of the positive electrode core body has formed thereon a first protrusion that protrudes from said surface of the positive electrode core body in the thickness direction of the positive electrode core body, whereas the other surface of the positive electrode core body has no protrusion formed to protrude from said other surface of the positive electrode core body in the thickness direction of the positive electrode core body.Type: ApplicationFiled: December 17, 2019Publication date: February 24, 2022Applicant: SANYO Electric Co., Ltd.Inventors: Kazuaki Tamura, Yoshifumi Magari, Atsutoshi Ako, Akira Nishida, Kentaro Tsukamoto, Tomoyuki Yamada
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Publication number: 20220021001Abstract: Provided are a highly reliable electrode plate and a secondary battery using the electrode plate. A positive electrode plate, which is for a secondary battery, has a positive electrode core body and a positive electrode active material layer formed on the positive electrode core body. The positive electrode core body has, at an end thereof, a thick part having a thickness larger than that of the center area of the positive electrode core body. The thick part includes a first projection that projects from one surface of the positive electrode core body in the thickness direction of the positive electrode core body. The positive electrode core body is formed of an aluminum alloy which contains 0.5-2.0 mass % of Mn.Type: ApplicationFiled: December 17, 2019Publication date: January 20, 2022Applicant: SANYO Electric Co., Ltd.Inventors: Kazuaki Tamura, Yoshifumi Magari, Atsutoshi Ako, Akira Nishida, Kentaro Tsukamoto, Tomoyuki Yamada
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Publication number: 20210291377Abstract: A calibration method, in a robot having a robot arm, of obtaining a position relationship between a first control point set for an end effector attached to a distal end of the robot arm and a second control point set on the distal end of the robot arm, includes a sixth step of calculating a second position relationship between a second reference position obtained from a position of the second control point in a third state and a position of the second control point in a fourth state and a first feature point in the fourth state, and a seventh step of calculating coordinates of the first feature point in a robot coordinate system based on a first position relationship and the second position relationship.Type: ApplicationFiled: March 18, 2021Publication date: September 23, 2021Inventors: Kentaro TSUKAMOTO, Kenji MATSUURA
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Patent number: 11118902Abstract: A three-dimensional shape measurement device includes a controller, in which the controller starts a process in which a plurality of different phase pattern images is projected by a projector, whenever the phase pattern image is projected by the projector before a rising time elapses, the rising time being a time until the luminance of light does not temporally change after a light source of the projector applies the light, and measures a three-dimensional shape of a target object onto which the phase pattern image is projected on the basis of a captured image obtained by the camera after the process is performed.Type: GrantFiled: July 30, 2018Date of Patent: September 14, 2021Inventors: Kentaro Tsukamoto, Tomoki Harada
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Patent number: D928708Type: GrantFiled: August 6, 2020Date of Patent: August 24, 2021Assignee: Mitsubishi Electric CorporationInventors: Shinichi Kato, Masaaki Kadoyanagi, Kentaro Tsukamoto, Shotaro Hirako
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Patent number: D929940Type: GrantFiled: August 7, 2020Date of Patent: September 7, 2021Assignee: Mitsubishi Electric CorporationInventors: Shinichi Kato, Masaaki Kadoyanagi, Kentaro Tsukamoto, Shotaro Hirako
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Patent number: D982545Type: GrantFiled: July 10, 2020Date of Patent: April 4, 2023Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Kato, Kentaro Tsukamoto, Masahiro Ichikawa, Hanako Kondo, Tetsuya Okuda, Satoshi Akatsuka, Takumi Aikawa, Yusuke Ueda
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Patent number: D987594Type: GrantFiled: July 15, 2020Date of Patent: May 30, 2023Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Kato, Tetsuya Okuda, Kentaro Tsukamoto, Masahiro Ichikawa, Hanako Kondo, Taku Kondo, Koji Uchimura