Patents by Inventor Kazumasa Tanaka

Kazumasa Tanaka 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: 12183890
    Abstract: An all-solid-state secondary battery includes a laminated body in which a positive electrode layer and a negative electrode layer are laminated via a solid electrolyte layer, a first external terminal, and a second external terminal, the laminated body has a first side surface parallel to a laminating direction and a second side surface parallel to the laminating direction and perpendicular to the first side surface, the first external terminal and the second external terminal are connected to the first side surface, and the laminated body has a warp in the laminating direction satisfying Equations (1) and (2): 0.5°?((A1+A2)/2)?5°??(1) A1?8.0°??(2) here, A1 is a warp angle of the laminated body when seen from a side of the first side surface, and A2 is a warp angle of the laminated body when seen from a side of the second side surface.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: December 31, 2024
    Assignee: TDK CORPORATION
    Inventor: Kazumasa Tanaka
  • Patent number: 12166180
    Abstract: This all-solid-state battery includes: a laminate; a positive electrode-side external electrode; and a negative electrode-side external electrode, in which the laminate includes a positive electrode layer and a negative electrode layer, in a plan view from a lamination direction of the laminate, the positive electrode layer includes a positive electrode main portion and a positive electrode auxiliary portion which protrudes from the positive electrode main portion and reaches a side surface, the negative electrode layer includes a negative electrode main portion and a negative electrode auxiliary portion which protrudes from the negative electrode main portion and reaches the side surface, and a length L1 of the positive electrode auxiliary portion on the side surface, a length L2 of the negative electrode auxiliary portion on the side surface, and a length L3 on the side surface satisfy a relation of 20 ?m?(L1+L2)<L3 (1).
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: December 10, 2024
    Assignee: TDK CORPORATION
    Inventor: Kazumasa Tanaka
  • Patent number: 12080847
    Abstract: An all-solid-state battery in which cracking attributed to expansion and contraction of the volume is suppressed. An all-solid-state battery according to is a laminated body including a battery element in which a positive electrode layer including a positive electrode current collector layer and a positive electrode active material layer and a negative electrode layer including a negative electrode current collector layer and a negative electrode active material layer are formed on a solid electrolyte layer, at one end of the positive electrode layer and the negative electrode layer extend and a non-extending region on a lateral face of the laminated body, and a margin layer is formed on the same plane as each of the positive electrode layer or the negative electrode layer and includes a void to one of the positive electrode layer or the negative electrode layer does not extend on an end of the laminated body.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: September 3, 2024
    Assignee: TDK CORPORATION
    Inventor: Kazumasa Tanaka
  • Patent number: 12040495
    Abstract: An all-solid-state battery including a laminated body in which a positive electrode having a positive electrode current collector layer and a positive electrode active material layer and a negative electrode having a negative electrode current collector layer and a negative electrode active material layer, are laminated with a solid electrolyte layer therebetween; a pair of a positive external electrode and a negative external electrode provided on one of pairs of side surfaces of the laminated body facing each other; wherein the positive electrode current collector layer is bonded to the positive external electrode and the negative electrode current collector layer is bonded to the negative external electrode; the thickness of a portion of at least one of the positive electrode current collector layer and the negative electrode current collector layer which is bonded to the positive external electrode or the negative external electrode is thicker than the other portion.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: July 16, 2024
    Assignee: TDK CORPORATION
    Inventor: Kazumasa Tanaka
  • Publication number: 20240222699
    Abstract: This all-solid-state battery includes: a positive electrode including a positive electrode active material layer; a negative electrode including a negative electrode active material layer; and a solid electrolyte layer located between the positive electrode active material layer and the negative electrode active material layer. The negative electrode active material layer contains a titanium compound. The solid electrolyte layer contains an LAGP compound represented by Li1+xAlxGe2?x(PO4)3 (x is a number which satisfies 0<x<1). Either one or both of an inside of the negative electrode active material layer and an interface between the negative electrode active material layer and the solid electrolyte layer contain an LATGP compound represented by Li1+yAlyTizGe2?y?z(PO4)3 (y and z are numbers which satisfy 0<y<1 and 0<z<1).
    Type: Application
    Filed: June 29, 2022
    Publication date: July 4, 2024
    Applicant: TDK CORPORATION
    Inventors: Kazumasa TANAKA, Keitaro OTSUKI, Keiko TAKEUCHI, Hiroshi SATO
  • Publication number: 20240196069
    Abstract: Provided is an information processing apparatus including a specification unit that specifies auxiliary information for generating a digest video on the basis of scene-related information regarding a scene occurring in an event.
    Type: Application
    Filed: February 8, 2022
    Publication date: June 13, 2024
    Applicant: Sony Group Corporation
    Inventors: Yuya YAMASHITA, Kazumasa TANAKA
  • Patent number: 12002925
    Abstract: A solid-state secondary battery includes: a positive electrode layer; a negative electrode layer; a solid-state electrolyte layer; and side margin layers arranged side by side on outer circumferences of the positive electrode layer and the negative electrode layer. The solid-state secondary battery is made of a laminated body obtained by alternately laminating the positive electrode layer of which the side margin layer arranged on the outer circumference thereof and the negative electrode layer of which the side margin layer arranged on the outer circumference thereof with the solid-state electrolyte layer arranged therebetween, and when the porosity of the side margin layers is defined as ?m and the porosity of the solid-state electrolyte layer is defined as ?e, the porosity ratio (?m/?e) satisfies the following Expression (1); 0.5?(?m/?e)<1 . . . (1).
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: June 4, 2024
    Assignee: TDK CORPORATION
    Inventors: Taisuke Masuko, Kazumasa Tanaka
  • Publication number: 20240128516
    Abstract: An all-solid-state secondary battery includes a laminate which includes a plurality of positive electrode layers each having a positive electrode active material layer, a plurality of negative electrode layers each having a negative electrode active material layer, and a plurality of solid electrolyte layers each containing a solid electrolyte, and wherein the positive and negative electrode layers are alternately laminated with the solid electrolyte layers interposed therebetween, wherein the plurality of solid electrolyte layers includes a first and a second outer solid electrolyte layer disposed on both end portion sides of the laminate in a lamination direction, and an inner solid electrolyte layer disposed between the first and second outer solid electrolyte layers, and both the first and second outer solid electrolyte layers are a thick-film outer solid electrolyte layer having a thickness more than that of the inner solid electrolyte layer.
    Type: Application
    Filed: March 23, 2022
    Publication date: April 18, 2024
    Applicant: TDK CORPORATION
    Inventors: Keiko TAKEUCHI, Kazumasa TANAKA, Keitaro OTSUKI
  • Publication number: 20240128496
    Abstract: An all-solid-state secondary battery includes a laminate which includes a plurality of positive electrode layers each having a positive electrode active material layer, a plurality of negative electrode layers each having a negative electrode active material layer, and a plurality of solid electrolyte layers each containing a solid electrolyte, and in which the positive electrode layers and the negative electrode layers are alternately laminated with the solid electrolyte layers interposed therebetween, and the plurality of solid electrolyte layers include an outermost solid electrolyte layer disposed on both end sides of the laminate in a lamination direction and being thinnest among the plurality of solid electrolyte layers, and an inner solid electrolyte layer disposed inward relative to the outermost solid electrolyte layer and being thicker than the outermost solid electrolyte layer.
    Type: Application
    Filed: March 18, 2022
    Publication date: April 18, 2024
    Applicant: TDK CORPORATION
    Inventors: Keiko TAKEUCHI, Kazumasa TANAKA, Keitaro OTSUKI
  • Patent number: 11840617
    Abstract: Provided are: a stabilizer composition capable of imparting a vinyl chloride resin with excellent thermal stability, coloration resistance, and thermal coloration resistance; a vinyl chloride resin composition containing the same and a molded article of the composition. The stabilizer composition contains, with respect to 100 parts by mass of a component (A): 5 to 700 parts by mass of a component (B) and 5 to 200 parts by mass of a component (C). The component (A) is at least one organic acid zinc salt, the component (B) is at least one selected from the group consisting of organic acid barium salts, overbased barium carbonates, organic acid calcium salts and overbased calcium carbonates, and the component (C) is at least one hindered amine-based light stabilizer.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: December 12, 2023
    Assignee: ADEKA CORPORATION
    Inventors: Ryusuke Mitamura, Hiroshi Nishimura, Kazumasa Tanaka
  • Patent number: 11819275
    Abstract: The optical coherence tomography apparatus is an optical coherence tomography apparatus that obtains a tomographic image of an eye to be examined by using combined light obtained by combining (a) return light from the eye to be examined irradiated with measurement light and (b) reference light, the optical coherence tomography apparatus including an optical path length difference changing unit arranged to change an optical path length difference between the measurement light and the reference light, a driving unit arranged to drive the optical path length difference changing unit, a determining unit configured to determine, using a learned model, a driving amount of the driving unit from the obtained tomographic image, and a controlling unit configured to control the driving unit using the determined driving amount.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: November 21, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazumasa Tanaka, Hiroki Uchida, Yoshihiko Iwase, Osamu Sagano, Ritsuya Tomita
  • Publication number: 20230331054
    Abstract: An object of the present invention is to provide a shock absorber that can use a single bracket regardless of difference in thickness of a knuckle bracket. A shock absorber according to the present invention includes: a shock absorber main body having an outer shell and a rod movably inserted into the outer shell; a knuckle bracket attached to an outer circumference on a bottom end side of the outer shell; and a bracket including a curved piece curved along a circumferential direction of an outer circumference of the outer shell and an attachment piece extending from the curved piece and to which a mounting component is attached, the curved piece including a bracket attached to the outer shell by being welded to the outer circumference of the outer shell and within a range from a top end to a bottom end of the knuckle bracket in an axial direction of the outer shell.
    Type: Application
    Filed: October 7, 2021
    Publication date: October 19, 2023
    Applicant: KYB Corporation
    Inventors: Kazumasa TANAKA, Naoki YASUKOUCHI, Dawei LI
  • Publication number: 20230179778
    Abstract: An information processing apparatus includes a control unit that performs first control processing of deciding an analysis engine for scene detection from among a plurality of analysis engines on the basis of scene detection information for scene detection with respect to an input video, and second control processing of deciding an analysis engine for obtaining second result information related to the scene from among a plurality of analysis engines, on the basis of scene-related information regarding a scene obtained as first result information by the analysis engine decided in the first control processing.
    Type: Application
    Filed: May 21, 2021
    Publication date: June 8, 2023
    Inventors: YUYA YAMASHITA, HIRONORI HATTORI, KAZUMASA TANAKA, YUTA MATSUI, SHIGERU OHWADA
  • Publication number: 20230096228
    Abstract: The lithium ion secondary battery wherein at least one positive electrode layer including a positive electrode active material layer and at least one negative electrode layer including a negative electrode active material layer are laminated in sequence with at least one solid electrolyte layer interposed therebetween, wherein a ratio t1/t2 of an average thickness t1 of the thickest solid electrolyte layer to an average thickness t2 of the thinnest solid electrolyte layer satisfies 1.02 ? t1/t2 ? 1.99 when an average thickness of each of the solid electrolyte layer is defined as t.
    Type: Application
    Filed: December 25, 2020
    Publication date: March 30, 2023
    Applicant: TDK CORPORATION
    Inventors: Keitaro OTSUKI, Kazumasa TANAKA
  • Publication number: 20230064294
    Abstract: A laminated all-solid-state battery includes a laminate having positive electrode and positive electrode active material layers, negative electrode layers having negative electrode current collector and negative electrode active material layers, and solid electrolyte layers. The positive and negative electrode layers are alternately laminated with the solid electrolyte layers interposed. The solid electrolyte layers include solid electrolyte layers belonging to first and second groups, the second thicker than the first. The first group includes a first solid electrolyte layer being thinnest. The second group is composed of a second solid electrolyte layer having a thickness of twice or more that of the first. A relationship (1) is satisfied when an average thickness of the plurality of solid electrolyte layers belonging to the first group is defined as ta and an average thickness of the solid electrolyte layers belonging to the second group is defined as tb; 2ta?tb . . . (1).
    Type: Application
    Filed: December 25, 2020
    Publication date: March 2, 2023
    Applicant: TDK CORPORATION
    Inventors: Kazumasa TANAKA, Teiichi TANAKA, Keiko TAKEUCHI
  • Publication number: 20230046253
    Abstract: A solid electrolyte is composed of a compound represented by the general formula LixM2(PO4)z where M represents at least one element having a valence of one to four, x represents a number that satisfies 0.800?x?1.900, and z represents a number that satisfies 2.600?z?2.800.
    Type: Application
    Filed: November 30, 2020
    Publication date: February 16, 2023
    Applicant: TDK CORPORATION
    Inventors: Kazumasa TANAKA, Takehisa KATO
  • Publication number: 20230025424
    Abstract: A solid electrolyte is composed of a compound represented by the general formula LixM2(PO4)z where M represents at least one element having a valence of one to four, x represents a number that satisfies 1.003?x?1.900, and z represents a number that satisfies 3.001?z?3.200.
    Type: Application
    Filed: November 30, 2020
    Publication date: January 26, 2023
    Applicant: TDK CORPORATION
    Inventor: Kazumasa TANAKA
  • Publication number: 20220183551
    Abstract: The optical coherence tomography apparatus is an optical coherence tomography apparatus that obtains a tomographic image of an eye to be examined by using combined light obtained by combining (a) return light from the eye to be examined irradiated with measurement light and (b) reference light, the optical coherence tomography apparatus including an optical path length difference changing unit arranged to change an optical path length difference between the measurement light and the reference light, a driving unit arranged to drive the optical path length difference changing unit, a determining unit configured to determine, using a learned model, a driving amount of the driving unit from the obtained tomographic image, and a controlling unit configured to control the driving unit using the determined driving amount.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 16, 2022
    Inventors: Kazumasa Tanaka, Hiroki Uchida, Yoshihiko Iwase, Osamu Sagano, Ritsuya Tomita
  • Publication number: 20220140402
    Abstract: This all-solid-state battery includes a laminate in which a positive electrode layer and a negative electrode layer are alternately laminated with a solid electrolyte layer interposed therebetween. The positive electrode layer includes a first positive electrode end portion exposed on a first side surface of the laminate. The negative electrode layer includes a second negative electrode end portion not exposed on the first side surface of the laminate. The all-solid-state battery includes a first uneven part formed on the first side surface of the laminate.
    Type: Application
    Filed: March 9, 2020
    Publication date: May 5, 2022
    Applicant: TDK CORPORATION
    Inventors: Kazumasa TANAKA, Tetsuya UENO
  • Publication number: 20220140386
    Abstract: A solid-state secondary battery includes: a positive electrode layer; a negative electrode layer; a solid-state electrolyte layer; and side margin layers arranged side by side on outer circumferences of the positive electrode layer and the negative electrode layer. The solid-state secondary battery is made of a laminated body obtained by alternately laminating the positive electrode layer of which the side margin layer arranged on the outer circumference thereof and the negative electrode layer of which the side margin layer arranged on the outer circumference thereof with the solid-state electrolyte layer arranged therebetween, and when the porosity of the side margin layers is defined as ?m and the porosity of the solid-state electrolyte layer is defined as ?e, the porosity ratio (?m/?e) satisfies the following Expression (1); 0.5?(?m/?e)<1 . . . (1).
    Type: Application
    Filed: March 6, 2020
    Publication date: May 5, 2022
    Applicant: TDK CORPORATION
    Inventors: Taisuke MASUKO, Kazumasa TANAKA