Patents by Inventor Akira Otani

Akira Otani 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: 20230335780
    Abstract: A secondary battery is provided and includes an electrode wound body, a positive electrode current collector, a negative electrode current collector, and a battery can. The electrode wound body includes a positive electrode having a band shape and a negative electrode having a band shape. The positive electrode and the negative electrode are stacked with a separator interposed therebetween. The battery can contains the electrode wound body, the positive electrode current collector, and the negative electrode current collector. The electrode wound body has one or more flat surfaces, in which a positive electrode active material uncovered part, a negative electrode active material uncovered part, or both are bent toward a central axis of a wound structure to form the one or more flat surfaces, and a groove provided in each of the one or more flat surface.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Inventor: Akira OTANI
  • Publication number: 20230335805
    Abstract: A secondary battery suppresses an occurrence of a welding defect as much as possible. A negative electrode includes, at a first major surface of a negative electrode foil having a band shape, a first negative electrode active material covered part covered with a negative electrode active material layer, a first negative electrode active material uncovered part extending in a longitudinal direction of the negative electrode foil, and a first insulating layer provided between the first negative electrode active material covered part and the first negative electrode active material uncovered part.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 19, 2023
    Inventor: Akira OTANI
  • Publication number: 20230335863
    Abstract: A positive electrode includes, on a positive electrode foil having a band shape, a positive electrode active material covered part covered with a positive electrode active material layer, and a positive electrode active material uncovered part. A negative electrode includes, on a negative electrode foil having a band shape, a negative electrode active material covered part covered with a negative electrode active material layer, and a negative electrode active material uncovered part extending at least in a longitudinal direction of the negative electrode foil. The positive electrode active material uncovered part is coupled to a positive electrode current collector at one end part of an electrode wound body. The negative electrode active material uncovered part is coupled to a negative electrode current collector at another end part of the electrode wound body.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Inventors: Akira OTANI, Aya MATSUZUKA
  • Publication number: 20220367922
    Abstract: Disclosed is a secondary battery in which a positive electrode active material non-covered portion is joined to a positive electrode current collector plate at one end portion of an electrode winding body, a negative electrode active material non-covered portion is joined to a negative electrode current collector plate at the other end portion of the electrode winding body, the electrode winding body has a flat surface formed by bending at least the positive electrode active material non-covered portion toward a central axis of the wound structure and overlapping each other, a groove formed in the flat surface, and an inner peripheral portion located inside innermost peripheries of a positive electrode and a negative electrode and including only a separator.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Inventor: Akira OTANI
  • Publication number: 20220367920
    Abstract: Disclosed is a secondary battery in which a positive electrode active material non-covered portion is joined to a positive electrode current collector plate at one end portion of an electrode winding body, a negative electrode active material non-covered portion is joined to a negative electrode current collector plate at the other end portion of the electrode winding body, the electrode winding body has a flat surface formed by bending any one or both of the positive electrode active material non-covered portion and the negative electrode active material non-covered portion toward central axis of wound structure and overlapping the positive electrode active material non-covered portion and the negative electrode active material non-covered portion, and a groove formed in the flat surface, the positive electrode has a positive electrode cut-out portion at one end in a transverse direction of the positive electrode on a winding start side of the electrode winding body.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Inventors: Akira OTANI, Abhilash CHAKRABORTY
  • Publication number: 20220149444
    Abstract: Provided is a secondary battery, where a positive electrode includes a first covered part covered with a positive electrode active material layer and a positive electrode active material non-covered part on a positive electrode foil, and a negative electrode includes a second covered part covered with a negative electrode active material layer and a negative electrode active material non-covered part on a negative electrode foil, the positive electrode active material non-covered part is joined to the positive electrode current-collecting plate at one end of an electrode wound body, and the negative electrode active material non-covered part is joined to the negative electrode current-collecting plate at the other end of the electrode wound body.
    Type: Application
    Filed: January 21, 2022
    Publication date: May 12, 2022
    Inventor: Akira OTANI
  • Publication number: 20220149443
    Abstract: Provided is a secondary battery where a positive electrode active material non-covered part is joined to a positive electrode current-collecting plate at one end of an electrode wound body, and a negative electrode active material non-covered part is joined to a negative electrode current-collecting plate at the other end of the electrode wound body, one or both of the positive electrode active material non-covered part and the negative electrode active material non-covered part have a flat surface formed by bending toward the central axis of the wound structure and overlapping each other, the positive electrode active material non-covered part is larger in width than the negative electrode active material non-covered part, an end of the positive electrode active material non-covered part and an end of the negative electrode active material non-covered part are each protruded outward from a separator.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 12, 2022
    Inventor: Akira OTANI
  • Patent number: 10930926
    Abstract: The invention provides a cathode sheet for use in a nonaqueous electrolyte secondary battery, including a composite material comprising a collector and a layer of a cathode active material provided thereon. The layer of a cathode active material includes: (a) a conductive polymer and (b) at least one selected from a polycarboxylic acid and a metal salt of a polycarboxylic acid; and the conductive polymer is a polymer in a dedoped state or in a dedoped and reduced state. The polymer constituting the conductive polymer is at least one selected from polyaniline, a polyaniline derivative, polypyrrole, a polypyrrole derivative, and polythiophene; and the polycarboxylic acid is at least one selected from polyacrylic acid, polymethacrylic acid, polyvinylbenzoic acid, polyallylbenzoic acid, polymethallylbenzoic acid, polymaleic acid, polyfumaric acid, polyglutaminic acid, polyaspartic acid, alginic acid, carboxymethylcellulose, and a copolymer including repeating units of at least two of the polymers listed herein.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 23, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Masao Abe, Akira Otani, Yujiro Kawashima, Yoshihiro Uetani, Hiroyoshi Take, Yutaka Kishii, Aimi Matsuura, Yuki Kajisa, Yohei Ando
  • Patent number: 10529700
    Abstract: A light emitting device includes a package having a recess which includes a bottom surface having corners. The package includes a first electrode, a second electrode, and a resin portion. The first electrode is provided at a first part of the bottom surface. The second electrode is provided at a second part of the bottom surface. The resin portion is provided between the first electrode and the second electrode at a third part of the bottom surface. A protection element is provided on the bottom surface. A light reflective material covers the bottom surface except for an uncovered region to cover the protection element and the corners of the bottom surface and uncovers an uncovering region of the bottom surface. The uncovered region is defined by linear lines and curved lines connecting the linear lines. A light emitting element is provided in the uncovered region on the bottom surface.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: January 7, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Kimihiro Miyamoto, Atsushi Bando, Naofumi Sumitani, Akira Otani
  • Patent number: 10189781
    Abstract: The onium salt of the present invention contains predetermined compound A represented by the general formula (1). The composition of the present invention contains the onium salt of the present invention, and an onium salt containing predetermined compound B represented by the general formula (2). The onium salt and the composition of the present invention exert well-balanced excellent physical properties in terms of cold curing properties, storage stability, thermal shock resistance after curing, and moisture resistance.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: January 29, 2019
    Assignee: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Tadashi Shimura, Naoya Kamimura, Akira Otani, Hitoshi Shimada
  • Publication number: 20190006337
    Abstract: A light emitting device includes a package having a recess which includes a bottom surface having corners. The package includes a first electrode, a second electrode, and a resin portion. The first electrode is provided at a first part of the bottom surface. The second electrode is provided at a second part of the bottom surface. The resin portion is provided between the first electrode and the second electrode at a third part of the bottom surface. A protection element is provided on the bottom surface. A light reflective material covers the bottom surface except for an uncovered region to cover the protection element and the corners of the bottom surface and uncovers an uncovering region of the bottom surface. The uncovered region is defined by linear lines and curved lines connecting the linear lines. A light emitting element is provided in the uncovered region on the bottom surface.
    Type: Application
    Filed: August 10, 2018
    Publication date: January 3, 2019
    Applicant: NICHIA CORPORATION
    Inventors: Kimihiro MIYAMOTO, Atsushi BANDO, Naofumi SUMITANI, Akira OTANI
  • Patent number: 10074638
    Abstract: A light emitting device includes a package having a recess which includes a bottom surface. A first bottom surface of a first light emitting element is put on a first part of the bottom surface. A second bottom surface of a second light emitting element is put on the first part of the bottom surface. A first side surface of the first light emitting element is opposite to a second side surface of the second light emitting element with a gap. At least a part of the first side surface does not overlap with the second side surface viewed in a direction perpendicular to the first side surface. A protection element is provided at a second part of the bottom surface. A light reflective material covers the protection element.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: September 11, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Kimihiro Miyamoto, Atsushi Bando, Naofumi Sumitani, Akira Otani
  • Publication number: 20170317345
    Abstract: The invention provides a cathode sheet for use in a nonaqueous electrolyte secondary battery, including a composite material comprising a collector and a layer of a cathode active material provided thereon. The layer of a cathode active material includes: (a) a conductive polymer and (b) at least one selected from a polycarboxylic acid and a metal salt of a polycarboxylic acid; and the conductive polymer is a polymer in a dedoped state or in a dedoped and reduced state. The polymer constituting the conductive polymer is at least one selected from polyaniline, a polyaniline derivative, polypyrrole, a polypyrrole derivative, and polythiophene; and the polycarboxylic acid is at least one selected from polyacrylic acid, polymethacrylic acid, polyvinylbenzoic acid, polyallylbenzoic acid, polymethallylbenzoic acid, polymaleic acid, polyfumaric acid, polyglutaminic acid, polyaspartic acid, alginic acid, carboxymethylcellulose, and a copolymer including repeating units of at least two of the polymers listed herein.
    Type: Application
    Filed: July 6, 2017
    Publication date: November 2, 2017
    Applicant: NITTO DENKO CORPORATION
    Inventors: Masao ABE, Akira OTANI, Yujiro KAWASHIMA, Yoshihiro UETANI, Hiroyoshi TAKE, Yutaka KISHII, Aimi MATSUURA, Yuki KAJISA, Yohei ANDO
  • Patent number: 9735423
    Abstract: The invention provides a nonaqueous electrolyte secondary battery having a cathode and an anode arranged so as to be opposite to each other, and an electrolyte layer put therebetween; wherein the cathode comprises: (a) a conductive polymer and (b) at least one selected from the group consisting of a polycarboxylic acid and a metal salt thereof, and wherein the anode comprises a material into which a base metal or ions thereof can be inserted and from which a base metal or ions thereof can be extracted. The invention further provides a cathode sheet for use in the nonaqueous electrolyte secondary battery mentioned above.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: August 15, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Masao Abe, Akira Otani, Yujiro Kawashima, Yoshihiro Uetani, Hiroyoshi Take, Yutaka Kishii, Aimi Matsuura, Yuki Kajisa, Yohei Ando
  • Publication number: 20170098636
    Abstract: A light emitting device includes a package having a recess which includes a bottom surface. A first bottom surface of a first light emitting element is put on a first part of the bottom surface. A second bottom surface of a second light emitting element is put on the first part of the bottom surface. A first side surface of the first light emitting element is opposite to a second side surface of the second light emitting element with a gap. At least a part of the first side surface does not overlap with the second side surface viewed in a direction perpendicular to the first side surface. A protection element is provided at a second part of the bottom surface. A light reflective material covers the protection element.
    Type: Application
    Filed: October 17, 2016
    Publication date: April 6, 2017
    Applicant: NICHIA CORPORATION
    Inventors: Kimihiro MIYAMOTO, Atsushi BANDO, Naofumi SUMITANI, Akira OTANI
  • Publication number: 20160364178
    Abstract: A non-limiting example game apparatus includes a CPU, and the CPU performs a non-contact communication with an IC tag that is incorporated in a figure by using a non-contact communication module. When card information data is read from each of two figures (EEPROM incorporated in the IC tag) and the same card object is set usable, for example, the card object concerned is changed to a special card object. That is, a special card object is produced.
    Type: Application
    Filed: August 28, 2015
    Publication date: December 15, 2016
    Inventors: Toshiharu IZUNO, Akira OTANI, Satoshi KIRA, Shunsuke KOBAYASHI, Jun IWASAKI
  • Patent number: 9502623
    Abstract: A light emitting device includes a base structure, a wall, a light emitting element, a protection element, and a light reflective portion. The wall includes an inner peripheral surface defining an opening. The opening has a substantially polygonal shape in a planar view of the light emitting device. The light reflective portion has a maximum length which is longest in the light reflective portion. The maximum length is defined at a maximum-length position closest to the first corner among a plurality of positions defined in the light reflective portion. The light reflective portion has a minimum length which is shortest in the light reflective portion. The minimum length is defined at a minimum-length position arranged apart from the maximum-length position. The light reflective portion includes an inclined surface extending from the maximum-length position to the minimum-length position.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: November 22, 2016
    Assignee: NICHIA CORPORATION
    Inventors: Kimihiro Miyamoto, Atsushi Bando, Naofumi Sumitani, Akira Otani
  • Publication number: 20160229801
    Abstract: The onium salt of the present invention contains predetermined compound A represented by the general formula (1). The composition of the present invention contains the onium salt of the present invention, and an onium salt containing predetermined compound B represented by the general formula (2). The onium salt and the composition of the present invention exert well-balanced excellent physical properties in terms of cold curing properties, storage stability, thermal shock resistance after curing, and moisture resistance.
    Type: Application
    Filed: September 24, 2014
    Publication date: August 11, 2016
    Applicant: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Tadashi SHIMURA, Naoya KAMIMURA, Akira OTANI, Hitoshi SHIMADA
  • Patent number: 9292958
    Abstract: An example system includes: a field arrangement unit for positioning a field object in a three-dimensional virtual space; a viewpoint setting unit for setting a viewpoint in the virtual space so as to have an overhead viewpoint with respect to the field object; a scrolling unit for moving the viewpoint or the field object so as to change an area of the field object included in a range of vision on the basis of the viewpoint set by the viewpoint setting unit; a field deformation unit for deforming a shape of the field object such that a front side of the range of vision becomes flat while a back side of the range of vision is curved in a direction away from the viewpoint in accordance with a movement performed by the scrolling unit; and an image processing unit for generating a two-dimensional image displayed on a display unit.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: March 22, 2016
    Assignee: NINTENDO CO., LTD.
    Inventors: Akira Otani, Hiroyuki Kubota, Daisuke Gotoh
  • Publication number: 20150318549
    Abstract: For achievement of a novel electricity storage device excellent in charge and discharge velocity and in capacity density, and an electrode and a porous sheet for use in the same, an electricity storage device including an electrolyte layer, a positive electrode, and a negative electrode is provided, wherein the electrolyte layer is interposed between the electrodes, and wherein at least one of the electrodes is a porous film made from a solution having an electrically conductive polymer in a reduced state.
    Type: Application
    Filed: November 26, 2013
    Publication date: November 5, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yutaka KISHII, Masao ABE, Akira OTANI, Yoshihiro UETANI