Patents by Inventor Yu Matsui

Yu Matsui 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).

  • Patent number: 12620679
    Abstract: The battery disclosed herein includes: a positive electrode plate including a positive electrode substrate and a positive electrode active material layer disposed on the positive electrode substrate; and a negative electrode plate including a negative electrode substrate and a negative electrode active material layer disposed on the negative electrode substrate. At least one of the positive electrode plate or the negative electrode plate has multiple electrode tabs protruding outward from a region of the associated electrode substrate where the associated electrode active material layer is not disposed. The electrode tabs each have an arc-shaped wrinkle.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: May 5, 2026
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventor: Yu Matsui
  • Patent number: 12322760
    Abstract: A secondary battery configured so as to comprise: a plurality of positive electrodes each including a positive electrode core and a positive electrode active substance disposed on the positive electrode core; a plurality of negative electrodes each including a negative electrode core and a negative electrode active substance disposed upon the negative electrode core; at least one separator; and an adhesive coated so as to have a substantially constant area density on at least one side surface in the thickness direction of the separator. The secondary battery includes a laminated section in which the positive electrodes and the negative electrodes are alternately stacked, having the separator therebetween. The area of adhered sections adhered by the adhesive is greater on the outside in the lamination direction of the laminated section than on the inside in the lamination direction.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: June 3, 2025
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Atsushi Kawamura, Daiki Watanabe, Yu Matsui, Shingo Tode
  • Publication number: 20250146446
    Abstract: An engine includes an exhaust manifold, and an EGR pipe having a first EGR pipe portion directly connected to the exhaust manifold, and a cylinder head to which the first EGR pipe portion is directly connected. The EGR pipe portion has a second EGR pipe portion having a curved part which is an L-shape. The first EGR pipe portion and the exhaust manifold are integrally formed inside the exhaust manifold. The EGR pipe further has a third EGR pipe portion located in a rear end portion of the cylinder head, and the first EGR pepe portion, third EGR pepe portion, and the exhaust manifold are integrally formed. The first EGR pipe portion is located on a first side of the cylinder head and the second EGR pipe portion is located on a second side of the cylinder head which is opposite from thee first side.
    Type: Application
    Filed: December 27, 2024
    Publication date: May 8, 2025
    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Yu MATSUI, Masato KISHIURA
  • Patent number: 12276217
    Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.
    Type: Grant
    Filed: January 2, 2024
    Date of Patent: April 15, 2025
    Assignee: Yanmar Power Technology Co., Ltd.
    Inventors: Yu Matsui, Naotoshi Furukawa
  • Patent number: 12215641
    Abstract: An engine includes an exhaust manifold, and an EGR cooler connected to the exhaust manifold. The EGR cooler overlaps, in a rear view, with a gear case cover which is arranged to face a flywheel housing to be protected from an external impact, particularly, from an impact from the rear side.
    Type: Grant
    Filed: May 8, 2024
    Date of Patent: February 4, 2025
    Assignee: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Yu Matsui, Masato Kishiura
  • Publication number: 20240297353
    Abstract: A method of manufacturing a secondary battery disclosed herein includes: a step of winding a first separator and a second separator onto a winding core; a step of arranging a winding-start end of the negative electrode such that the negative electrode is located on an inner circumferential side of the first separator and also arranging a winding-start end of the positive electrode between an outer circumferential side surface of the first separator and the second separator, in a state where the winding core is stopped; and a step of winding the positive electrode and the negative electrode onto the winding core.
    Type: Application
    Filed: February 29, 2024
    Publication date: September 5, 2024
    Applicant: Prime Planet Energy & Solutions, Inc.
    Inventors: Yu MATSUI, Junichi HAYA
  • Publication number: 20240287944
    Abstract: An engine includes an exhaust manifold, and an EGR cooler connected to the exhaust manifold. The EGR cooler overlaps, in a rear view, with a gear case cover which is arranged to face a flywheel housing to be protected from an external impact, particularly, from an impact from the rear side.
    Type: Application
    Filed: May 8, 2024
    Publication date: August 29, 2024
    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Yu Matsui, Masato Kishiura
  • Publication number: 20240229694
    Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.
    Type: Application
    Filed: January 2, 2024
    Publication date: July 11, 2024
    Applicant: Yanmar Power Technology Co., Ltd.
    Inventors: Yu Matsui, Naotoshi Furukawa
  • Patent number: 12012907
    Abstract: An engine includes an exhaust manifold, an intake manifold, and an EGR device configured to supply EGR gas from the exhaust manifold to the intake manifold. A longitudinal direction of the EGR cooler is in an up-down direction of the engine in a used state. The exhaust manifold has an EGR pipe that is connected to an EGR cooler, and a part of the EGR pipe extends in left-and-right directions. The part of the EGR pipe is provided at a side where a flywheel housing is provided. An upper end of the EGR cooler has a supply port into which the EGR gas is supplied from the exhaust manifold. The part of the EGR pipe and the flywheel housing are located in an up-down directions.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: June 18, 2024
    Assignee: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Yu Matsui, Masato Kishiura
  • Publication number: 20240133325
    Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: Yanmar Power Technology Co., Ltd.
    Inventors: Yu Matsui, Naotoshi Furukawa
  • Patent number: 11923560
    Abstract: A secondary battery includes: an electrode plate including a main body portion and an electrode terminal portion protruding from the main body portion along a first direction; and a separator adhered to the electrode plate, wherein the main body portion of the electrode plate includes a central region located in a vicinity of a center in the first direction, a first region located on a side close to the electrode terminal portion with respect to the central region in the first direction, and a second region located on a side opposite to the first region with respect to the central region in the first direction, and adhesion strength per unit area between the electrode plate and the separator in the first region is higher than adhesion strength per unit area between the electrode plate and the separator in the second region.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: March 5, 2024
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Daiki Watanabe, Yu Matsui, Akira Nishida
  • Publication number: 20240055736
    Abstract: A battery disclosed here is provided with a wound electrode body comprising a strip-shaped first electrode and a strip-shaped second electrode stacked with a strip-shaped separator in between and wound in a winding direction. The first electrode has a first tab and second tabs protruding in a protruding direction, and given W1 (mm) as the width of the first tab at a distance L (L=3 to 10 mm) in the protruding direction, W2 (mm) as the width of the second tabs at the distance L in the protruding direction, and W3 (mm) as the width of the base of the first tab, both of the following formulae are satisfied: (W3/W1)>1.5; (W2/W1)>1.2.
    Type: Application
    Filed: August 4, 2023
    Publication date: February 15, 2024
    Inventor: Yu MATSUI
  • Patent number: 11898479
    Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.
    Type: Grant
    Filed: November 26, 2022
    Date of Patent: February 13, 2024
    Assignee: Yanmar Power Technology Co., Ltd.
    Inventors: Yu Matsui, Naotoshi Furukawa
  • Patent number: 11721361
    Abstract: There are provided: an aluminum alloy substrate for a magnetic disk, the aluminum alloy substrate including an aluminum alloy including 0.4 to 3.0 mass % of Fe and the balance of Al and unavoidable impurities, in which second phase particles having a longest diameter of 0.5 ?m or more and less than 2.0 ?m are dispersed at a distribution density of 5000 particles/mm2 or more; a method for producing the same; and a magnetic disk using the aluminum alloy substrate for a magnetic disk.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: August 8, 2023
    Assignees: UACJ CORPORATION, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kotaro Kitawaki, Takuya Murata, Makoto Yonemitsu, Yu Matsui, Yasuo Fujii, Ryo Sakamoto, Takashi Nakayama, Wataru Kumagai
  • Publication number: 20230228236
    Abstract: An engine includes an exhaust manifold, an intake manifold, and an EGR device configured to supply EGR gas from the exhaust manifold to the intake manifold. A longitudinal direction of the EGR cooler is in an up-down direction of the engine in a used state. The exhaust manifold has an EGR pipe that is connected to an EGR cooler, and a part of the EGR pipe extends in left-and-right directions. The part of the EGR pipe is provided at a side where a flywheel housing is provided. An upper end of the EGR cooler has a supply port into which the EGR gas is supplied from the exhaust manifold. The part of the EGR pipe and the flywheel housing are located in an up-down directions.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 20, 2023
    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Yu Matsui, Masato Kishiura
  • Publication number: 20230170519
    Abstract: A technology for obtaining a battery including a wound electrode body with high productivity is provided. In a preferred aspect of the battery disclosed herein, an average value of the shortest distances of the positive electrode tabs in the first region from one end to the tips in the protruding direction of the positive electrode tabs is equal to or less than an average value of the shortest distances of the positive electrode tabs in the second region. Further, a difference between the average value of the shortest distances of the positive electrode tabs in the first region and the average value of the shortest distances of the positive electrode tabs in the second region is smaller than the thickness of the electrode body.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 1, 2023
    Inventors: Shota YANASE, Takashi HOSOKAWA, Yu MATSUI, Tomoyuki YAMADA
  • Publication number: 20230170585
    Abstract: In a preferred aspect of the battery disclosed herein, a region encompassing five layers of the positive electrode (negative electrode) counting from one of outer surfaces at both ends of the lamination structure in the stacking direction is a first outermost periphery neighboring region, and a region encompassing five layers of the positive electrode (negative electrode) counting from the other outer surface is a second outermost periphery neighboring region S, and when in the first outermost periphery neighboring region, the number of the positive electrode tabs (negative electrode tabs) is A, and the number of layers of the first electrode is B, and in the second outermost periphery neighboring region, the number of the positive electrode tabs (negative electrode tabs) is C, and the number of layers of the first electrode is D, A/B and C/D are both less than 1.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 1, 2023
    Inventors: Shota YANASE, Takashi HOSOKAWA, Yu MATSUI, Tomoyuki YAMADA
  • Publication number: 20230155160
    Abstract: Provided is technology for reducing further the risk of short-circuits between positive and negative electrodes in a battery having a wound electrode body. In a preferred embodiment of a battery disclosed herein, a first electrode plate has a first long edge and a second long edge that extend in the longitudinal direction. The first electrode plate has a first electrode core and a first electrode active material layer. The first electrode core has a first electrode active material layer existing section and a first electrode active material layer non-existing section. A plurality of first electrode tabs is provided on the first long edge. A first notch is provided at a first corner, on the first long edge side, of a winding initiation end portion of the first electrode plate. At least part of the first notch is provided in the first electrode active material layer non-existing section.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 18, 2023
    Inventor: Yu MATSUI
  • Patent number: 11635033
    Abstract: An engine includes an exhaust manifold, an intake manifold, and an EGR device configured to supply EGR gas from the exhaust manifold to the intake manifold. An EGR cooler is provided at a side of the exhaust manifold, and a longitudinal direction of the EGR cooler is in an up-down direction of the engine in a used state.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: April 25, 2023
    Assignee: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Yu Matsui, Masato Kishiura
  • Publication number: 20230090880
    Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.
    Type: Application
    Filed: November 26, 2022
    Publication date: March 23, 2023
    Applicant: Yanmar Power Technology Co., Ltd.
    Inventors: Yu Matsui, Naotoshi Furukawa