Patents by Inventor Yasuhiro Sakashita
Yasuhiro Sakashita 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).
-
Publication number: 20240285959Abstract: A defibrillation control device includes a power source unit that supplies electrical energy to an electrode catheter, an abnormality detection unit that detects an earliest abnormal waveform by using a plurality of electrocardiographic waveforms measured by a plurality of electrodes of the electrode catheter after supplying the electrical energy, and a warning unit that issues an alert upon detecting the earliest abnormal waveform.Type: ApplicationFiled: November 17, 2023Publication date: August 29, 2024Inventors: Naoya SAKASHITA, Yasuhiro KOJIMA
-
Publication number: 20240282581Abstract: A polishing liquid for polishing a member to be polished, the polishing liquid containing abrasive grains containing cerium oxide, in which the member to be polished contains a resin and particles containing a silicon compound. A polishing method including polishing a member to be polished containing a resin and particles containing a silicon compound by using the polishing liquid. A method for manufacturing a component, including obtaining a component by using a polished member polished by the polishing method. A method for manufacturing a semiconductor component, including obtaining a semiconductor component by using a polished member polished by the above-described polishing method.Type: ApplicationFiled: August 29, 2022Publication date: August 22, 2024Inventors: Shogo ARATA, Masahiro SAKASHITA, Yasuhiro ICHIGE, Yousuke HOSHI
-
Patent number: 12040453Abstract: A battery is provided which can attain a high space efficiency in a battery case, and is excellent in insertability of a wound electrode body into the battery case during manufacturing. The battery herein disclosed includes a rectangular battery case and a wound electrode body including an electrode. The electrode has a long collector and mixture material layers. The electrode has alternately flat first surfaces stacked in the main surface direction of the wound electrode body and second surfaces stacked in the side surface direction of the wound electrode body. A thickness ratio B/A is 0.1 or less, where A represents an average thickness of the mixture material layers present on the first surfaces and B represents an average thickness of the mixture material layers present on the second surfaces.Type: GrantFiled: August 20, 2021Date of Patent: July 16, 2024Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventor: Yasuhiro Sakashita
-
Patent number: 11996509Abstract: A battery includes: an electrode body including a positive electrode having a positive electrode active material layer formed on a positive electrode collector and a negative electrode having a negative electrode active material layer formed on a negative electrode collector. At one end of the electrode body, a positive electrode collector laminated part, in which a positive electrode collector exposed part is stacked, is present. At another end thereof, a negative electrode collector laminated part, in which a negative electrode collector exposed part is stacked, is present. The positive electrode collector laminated part and the negative electrode collector laminated part are divided into groups while the groups being shifted in position so as not to overlap on a same line in the stacking direction in the electrode body. The groups are mutually independently integrated in one unit, and all tip parts of the groups are joined with one collector terminal.Type: GrantFiled: August 19, 2021Date of Patent: May 28, 2024Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventor: Yasuhiro Sakashita
-
Patent number: 11728519Abstract: The secondary battery includes: a square battery case; and a wound electrode body accommodated in the battery case. The wound electrode body has a positive electrode sheet and a negative electrode sheet overlapping with each other to be wound about a winding axis to have a rectangular shape when seen from a winding axis direction. The wound electrode body has corner parts positioned at four corners of the wound electrode body when seen from the winding axis direction. The positive electrode sheet has a positive electrode collector and a positive electrode active material layer. The negative electrode sheet has a negative electrode collector and a negative electrode active material layer. Folding grooves are formed along the winding axis direction at portions of the positive electrode active material layer or portions of the negative electrode active material layer that are positioned at the corner parts.Type: GrantFiled: September 9, 2021Date of Patent: August 15, 2023Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Masafumi Kadoi, Takahiro Sakurai, Yasuhiro Sakashita
-
Publication number: 20230223549Abstract: An electrode is manufactured by forming an active material layer on a surface of an electrode current collector, forming a groove portion on a surface of the active material layer, and peeling off a part of the active material layer. An electrode current collector includes a metal foil and an adhesive layer. The metal foil includes a first region and a second region. The adhesive layer covers the first region. In the second region, the metal foil is exposed. The active material layer includes a first portion that covers the adhesive layer and a second portion that covers the second region. The groove portion is formed in each of the first portion and the second portion. The second portion is peeled off.Type: ApplicationFiled: November 4, 2022Publication date: July 13, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yusuke KINTSU, Tetsuya MIMURA, Haruka SHIONOYA, Yasuhiro SAKASHITA, Takeshi KONDO, Tomoyuki TASAKI, Yuta KAWAMOTO
-
Publication number: 20220131198Abstract: The present disclosure provides a technology for preventing detachment of a collector bundle or a collector terminal derived from collector breakage. A wound electrode body of the secondary battery disclosed herein includes: a core portion in which electrode mix layers of electrode sheets face each other; a collector wound portion resulting from winding of uncoated portions of the electrode sheets; and a collector bundle which is formed in a partial region of the collector wound portion, and to which a collector terminal is connected. Furthermore, in the wound electrode body, an elongated slit is formed running through the collector wound portion, and extending continuously so as to conform to the collector bundle, between the collector bundle and the core portion. In consequence it becomes possible to prevent large breaks such that the collector bundle or the collector terminal comes off.Type: ApplicationFiled: October 20, 2021Publication date: April 28, 2022Inventor: Yasuhiro SAKASHITA
-
Publication number: 20220085422Abstract: The secondary battery includes: a square battery case; and a wound electrode body accommodated in the battery case. The wound electrode body has a positive electrode sheet and a negative electrode sheet overlapping with each other to be wound about a winding axis to have a rectangular shape when seen from a winding axis direction. The wound electrode body has corner parts positioned at four corners of the wound electrode body when seen from the winding axis direction. The positive electrode sheet has a positive electrode collector and a positive electrode active material layer. The negative electrode sheet has a negative electrode collector and a negative electrode active material layer. Folding grooves are formed along the winding axis direction at portions of the positive electrode active material layer or portions of the negative electrode active material layer that are positioned at the corner parts.Type: ApplicationFiled: September 9, 2021Publication date: March 17, 2022Inventors: Masafumi KADOI, Takahiro SAKURAI, Yasuhiro SAKASHITA
-
Publication number: 20220077488Abstract: A battery includes: an electrode body including a positive electrode having a positive electrode active material layer formed on a positive electrode collector and a negative electrode having a negative electrode active material layer formed on a negative electrode collector. At one end of the electrode body, a positive electrode collector laminated part, in which a positive electrode collector exposed part is stacked, is present. At another end thereof, a negative electrode collector laminated part, in which a negative electrode collector exposed part is stacked, is present. The positive electrode collector laminated part and the negative electrode collector laminated part are divided into groups while the groups being shifted in position so as not to overlap on a same line in the stacking direction in the electrode body. The groups are mutually independently integrated in one unit, and all tip parts of the groups are joined with one collector terminal.Type: ApplicationFiled: August 19, 2021Publication date: March 10, 2022Inventor: Yasuhiro SAKASHITA
-
Publication number: 20220077502Abstract: A battery is provided which can attain a high space efficiency in a battery case, and is excellent in insertability of a wound electrode body into the battery case during manufacturing. The battery herein disclosed includes a rectangular battery case and a wound electrode body including an electrode. The electrode has a long collector and mixture material layers. The electrode has alternately flat first surfaces stacked in the main surface direction of the wound electrode body and second surfaces stacked in the side surface direction of the wound electrode body. A thickness ratio B/A is 0.1 or less, where A represents an average thickness of the mixture material layers present on the first surfaces and B represents an average thickness of the mixture material layers present on the second surfaces.Type: ApplicationFiled: August 20, 2021Publication date: March 10, 2022Inventor: Yasuhiro SAKASHITA
-
Patent number: 10468664Abstract: A method of manufacturing a lithium-ion secondary battery electrode sheet includes the steps of: conveying a current collector (11) coated with a binder solution (12); feeding a powder material (13) of granulated particles (13a) onto the current collector (11) while guiding the powder material (13) of the granulated particles (13a) toward a gap between the current collector (11) and a squeegee member (25) disposed so as to be spaced with the gap from the current collector (11) being conveyed; and shaping the powder material (13) of the granulated particles (13a) fed on the current collector (11) by using a squeegee member (25).Type: GrantFiled: June 12, 2015Date of Patent: November 5, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Zeon CorporationInventors: Yasuhiro Sakashita, Koichi Tanihara, Yuji Shibata, Hiroyuki Sekine
-
Patent number: 10431807Abstract: The present invention discloses a method of manufacturing a lithium-ion secondary battery electrode. The method includes the steps of: supplying composite particles (1), each containing an active material (2) and a binder (4), onto a sheet collector (42); and rolling the composite particles (1) supplied onto the collector (42), thus forming an active material layer (44). The rolling step includes a first rolling sub-step involving first rolling, and a second rolling sub-step to be performed after the first rolling sub-step. Rubber rolls (R1) are preferably used in the first rolling sub-step.Type: GrantFiled: September 8, 2015Date of Patent: October 1, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Zeon CorporationInventors: Kazuhiro Suzuki, Yasuhiro Sakashita, Yuji Shibata, Takahiro Ogawa
-
Patent number: 10297815Abstract: A method for producing an electrode for lithium ion secondary batteries proposed herein includes: a step of forming a binder coat layer 16 on a collector 12, with the binder coat layer 16 being formed so as to have a large coat amount region 18A of relatively a large coating amount and a small coat amount region 18B of relatively small coating amount, and the large coat amount region 18A being provided at both side edge portions 16E of the binder coat layer 16; a step of supplying granulated particles containing active material particles and a binder, onto the binder coat layer 16; and a step of forming an active material layer by pressing of aggregates of the granulated particles.Type: GrantFiled: November 10, 2015Date of Patent: May 21, 2019Assignee: ZEON CORPORATIONInventors: Koichi Tanihara, Yasuhiro Sakashita, Yuya Kitagawa, Hiroyuki Sekine
-
Patent number: 10258949Abstract: A granulated body manufacturing apparatus includes: a housing that includes a cylindrical internal space, is disposed so that a center axis direction of the internal space is horizontal, and houses a raw material for a granulated body inside the internal space; an agitation blade that is provided along an inner circumferential surface of the internal space, and upon being rotated around the center axis, scoops up the raw material accumulated in a bottom portion of the internal space and makes the raw material fall down from an upper position inside the internal space; and a crossing blade including a wire having a wire diameter not exceeding 0.3 mm, the wire being provided at a position in a range, inside the internal space, in which the crossing blade does not come into contact with the agitation blade, and being looped around a framework body that rotates around the center axis.Type: GrantFiled: November 30, 2016Date of Patent: April 16, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeyuki Ozaki, Yasuhiro Sakashita, Takenori Ikeda
-
Patent number: 10084179Abstract: Provided is a technique capable of evenly smoothing powder supplied to the surface of a supply member. A powder coating apparatus includes a pair of press rollers, hoppers, and squeegee rollers disposed such that prescribed gaps are formed between the squeegee rollers and the press rollers, and adjusting thickness of the powder by smoothing the powder supplied to each outer circumferential surface of the press rollers. The powder coating apparatus presses the powder, smoothed by the squeegee rollers, between the press rollers to form compressed powder layers on both the surfaces of the web. The squeegee roller is formed in a column having an axis being parallel to the outer circumferential surface of the press roller and being orthogonal to a moving direction of the outer circumferential surface of the press roller.Type: GrantFiled: February 14, 2014Date of Patent: September 25, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Zeon CorporationInventors: Koichi Tanihara, Yasuhiro Sakashita, Yuji Shibata, Hiroyuki Sekine
-
Patent number: 10062920Abstract: A powder supplying device (2) includes a case (6) in which a storage portion (6a) is formed for temporarily storing powder (10), the case (6) having an inlet (6b) formed in an upper end of the storage portion (6a), and a rectangular outlet (6c) formed in a lower end of the storage portion (6a); a rotor (7) that is arranged in the case (6) and transports the powder (10) in the storage portion (6a) to the outlet (6c) by rotating; and a mesh body (8) through which the powder (10) that has been transported to the outlet (6c) passes. The powder supplying device (2) supplies the powder (10) onto an upper surface of an electrode foil (5). The rotor (7) has a brush-like shape, with a plurality of hair members (7b) radially implanted pointing radially outward with an axial center (G) of the rotor (7) as the center.Type: GrantFiled: March 11, 2014Date of Patent: August 28, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Zeon CorporationInventors: Masahiro Umeda, Yasuhiro Sakashita, Koichi Tanihara, Naohiro Hasama, Ryo Nakatani
-
Publication number: 20180159114Abstract: A method for producing an electrode for lithium ion secondary batteries proposed herein includes: a step of forming a binder coat layer 16 on a collector 12, with the binder coat layer 16 being formed so as to have a large coat amount region 18A of relatively a large coating amount and a small coat amount region 18B of relatively small coating amount, and the large coat amount region 18A being provided at both side edge portions 16E of the binder coat layer 16; a step of supplying granulated particles containing active material particles and a binder, onto the binder coat layer 16; and a step of forming an active material layer by pressing of aggregates of the granulated particles.Type: ApplicationFiled: November 10, 2015Publication date: June 7, 2018Applicant: ZEON CORPORATIONInventors: Koichi TANIHARA, Yasuhiro SAKASHITA, Yuya KITAGAWA, Hiroyuki SEKINE
-
Patent number: 9960409Abstract: Provided is an apparatus for manufacturing an electrode for a lithium ion secondary battery that makes it possible to form a more uniform active material layer by using granulated particles. The manufacturing apparatus includes: a conveying mechanism, a supply unit, a squeegee, an adjustment unit, and rolling rolls. The conveying mechanism conveys a collector. The supply unit supplies granulated particles, including active material particles and a binder, onto the surface of the conveyed collector. The squeegee levels the supplied granulated particles. The adjustment unit is disposed upstream of the squeegee. The adjustment unit controls the accumulation height of the granulated particles accumulated upstream of the squeegee. The rolling rolls roll the leveled granulated particles and form the active material layer.Type: GrantFiled: December 17, 2015Date of Patent: May 1, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koichi Tanihara, Yasuhiro Sakashita, Naohiro Hasama, Yuto Hosono
-
Patent number: 9825279Abstract: Provided is a powder supply device for a secondary battery which can always supply a fixed amount of powder with high accuracy without being influenced by a state of the powder. In addition, provided is an apparatus for manufacturing an electrode body, which includes the powder supply device and can efficiently manufacture an electrode body. The powder supply device includes a rotor which makes powder fall into an opening, and a mesh body which covers the lower end of the opening. Uneven portions or projecting portions are formed on the outer circumferential surface of the rotor. The rotor is rotatably supported in a storing portion. The gap is formed between the outer circumferential surface of the rotor and the inner surface of the storing portion so that they are spaced apart. The mesh body is arranged away from the outer circumferential surface of the rotor.Type: GrantFiled: September 24, 2013Date of Patent: November 21, 2017Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Zeon CorporationInventors: Eiji Orisaka, Yasuhiro Sakashita, Ryo Nakatani, Naohiro Hasama, Yuji Shibata
-
Publication number: 20170256781Abstract: The present invention discloses a method of manufacturing a lithium-ion secondary battery electrode. The method includes the steps of: supplying composite particles (1), each containing an active material (2) and a binder (4), onto a sheet collector (42); and rolling the composite particles (1) supplied onto the collector (42), thus forming an active material layer (44). The rolling step includes a first rolling sub-step involving first rolling, and a second rolling sub-step to be performed after the first rolling sub-step. Rubber rolls (R1) are preferably used in the first rolling sub-step.Type: ApplicationFiled: September 8, 2015Publication date: September 7, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ZEON CORPORATIONInventors: Kazuhiro SUZUKI, Yasuhiro SAKASHITA, Yuji SHIBATA, Takahiro OGAWA