Patents by Inventor Yasuhiro Harada

Yasuhiro Harada 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).

  • ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE
    Publication number: 20200295375
    Abstract: According to one embodiment, an electrode is provided. The electrode includes a current collector, an intermediate layer containing a material having electrical conductivity, and an active material-containing layer containing active material particles, in this order. The intermediate layer includes at least one opening and satisfies the following formula (1). 1?S/r?1700??(1) In formula (1) above, S is the ratio SB/SA of the total area SB of the at least one opening with respect to a unit area SA in the intermediate layer, and r is an average primary particle size of the active material particles.
    Type: Application
    Filed: September 4, 2019
    Publication date: September 17, 2020
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kazuomi YOSHIMA, Yasuhiro HARADA, Norio TAKAMI
  • ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK AND VEHICLE
    Publication number: 20200295361
    Abstract: According to one embodiment, provided is an active material including monoclinic niobium titanium composite oxide particles, and carbon fibers with which at least a part of surfaces of the monoclinic niobium titanium composite oxide particles is covered. The monoclinic niobium titanium composite oxide particles satisfy 1.5?(?/?)?2.5. The monoclinic niobium titanium composite oxide particles have an average primary particle size of 0.05 ?m to 2 ?m. The carbon fibers contain one or more metal elements selected from the group consisting of Fe, Co and Ni, and satisfy 1/10000?(?/?)?1/100. The carbon fibers have an average fiber diameter in the range of 5 nm to 100 nm.
    Type: Application
    Filed: September 5, 2019
    Publication date: September 17, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Norio TAKAMI, Keigo Hoshina, Mitsuru Ishibashi, Yoshihiko Nakano, Yasuhiro Harada
  • ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE
    Publication number: 20200295363
    Abstract: According to one embodiment, there is provided an active material represented by a general formula Lix(NiaCobMncMd)1?s(Nb1?tTat)sO2. Here, M is at least one selected from the group consisting of Li, Ca, Mg, Al, Ti, V, Cr, Zr, Mo, Hf, and W, and 1.0?x?1.3, 0?a?0.9, 0?b?1.0, 0?c?0.8, 0?d?0.5, a+b+c+d=1, 0.005?s?0.3, and 0.0005?t?0.1 are satisfied.
    Type: Application
    Filed: September 3, 2019
    Publication date: September 17, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tetsuya Sasakawa, Yasuhiro Harada, Norio Takami
  • Non-aqueous electrolyte battery and battery pack
    Patent number: 10777820
    Abstract: A non-aqueous electrolyte battery includes bi-polar electrodes and non-aqueous electrolyte layers. Each electrode has a pyroelectric member and positive-pole and negative-pole active material layers on one and the other surfaces of the member. In the electrode, a position of the positive-pole layer does not overlap a position of the negative-pole layer in a thickness direction of the member. A laminated product in which the bi-polar electrodes are laminated with the electrolyte layers being interposed between the positive-pole and negative-pole active material layers on one and the other members is provided. The product has one of a first type electrode group in which the product is spirally wound and a second type electrode group in which the product is alternately bent, folded, and layered.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: September 15, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuomi Yoshima, Yasuhiro Harada, Norio Takami
  • Active material, electrode, secondary battery, battery pack, and vehicle
    Patent number: 10749169
    Abstract: According to one embodiment, an active material is provided. The active material includes a first phase including a niobium-titanium composite oxide, and a second phase adjacent to the first phase and including an orthorhombic niobium oxide. The active material is a particle in which a second (010) plane of the orthorhombic niobium oxide is in contact with a first (010) plane of the niobium-titanium composite oxide in at least a part of a contact interface between the first phase and the second phase.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: August 18, 2020
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Yasuhiro Harada, Norio Takami, Keigo Hoshina, Kazuomi Yoshima
  • Electrode, secondary battery, battery pack, and vehicle
    Patent number: 10741830
    Abstract: According to one embodiment, an electrode including active material particles is provided. The active material particles contain monoclinic niobium-titanium composite oxide particles and an amorphous carbon body. The amorphous carbon body covers at least a part of surfaces of the monoclinic niobium-titanium composite oxide particles. A ratio S2/S1 of a carbon atom concentration S2 to a niobium atom concentration S1 at a surface of the electrode, according to X-ray photoelectron spectroscopy, is from 5 to 100.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 11, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuki Ise, Yasuhiro Harada, Norio Takami
  • Secondary battery, battery module, battery pack and vehicle
    Patent number: 10727540
    Abstract: According to one embodiment, a secondary battery including a positive electrode, a negative electrode, and an electrolyte is provided. The negative electrode includes titanium-containing oxide and at least one kind of element selected from the group consisting of B, P, Al, La, Zr, Ge, Zn, Sn, Ga, Pb, In, Bi, and Tl. The electrolyte includes lithium ions and a solvent containing water.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: July 28, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Norio Takami, Yasunobu Yamashita, Shinsuke Matsuno, Yasuhiro Harada, Hiroki Inagaki
  • Electrode, secondary battery, battery pack, and vehicle
    Patent number: 10707483
    Abstract: According to one embodiment, an electrode including an active material-containing layer and a film is provided. The active material-containing layer contains an active material containing a titanium-containing oxide. The film is present on at least a part of a surface of the active material-containing layer. The film contains fluorine, an organic atom, and a metal ion. The fluorine includes fluorine bonded to the organic atom and fluorine bonded to the metal ion. The film satisfies a relationship of following formula (1), where F1 is a proportion of the fluorine bonded to the organic atom, and F2 is a proportion of the fluorine bonded to the metal ion: 0.1?F2/F1?0.6??(1).
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: July 7, 2020
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Kazuhiro Yasuda, Yusuke Namiki, Tetsuya Sasakawa, Yasuhiro Harada, Norio Takami
  • Solid electrolyte, lithium battery, battery pack, and vehicle
    Patent number: 10707523
    Abstract: According to one embodiment, there is provided a solid electrolyte including an oxide represented by General Formula Li1+2xM12?x(Ca1?yM2y)x(PO4)3. In the General Formula above, M1 is at least one selected from the group consisting of Zr and Hf. M2 is at least one selected from the group consisting of Sr and Ba. x satisfies 0<x<2. y satisfies 0<y?1.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: July 7, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuhiro Harada, Tomoe Kusama, Norio Takami, Kazuomi Yoshima
  • Active material, nonaqueous electrolyte battery, and battery pack
    Patent number: 10651466
    Abstract: According to one embodiment, there is provided an active material. The active material includes a composite oxide having an orthorhombic structure. The composite oxide is represented by the general formula Ti2(Nb1-xTax)2O9 (0?x?1). The composite oxide has an average valence of niobium and/or tantalum of 4.95 or more.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: May 12, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasuhiro Harada, Kazuomi Yoshima, Norio Takami, Hiroki Inagaki
  • Detection device
    Patent number: 10641784
    Abstract: A wheel speed detection device includes a detection element, a base member, and an affixing member. The detection element has a main body, leads, and protruding from the main body. The affixing member affixes the detection element to the base member by pressing the leads and against the base member without pressing the main body against the base member.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: May 5, 2020
    Assignee: DENSO CORPORATION
    Inventor: Yasuhiro Harada
  • SECONDARY BATTERY, COMPOSITE ELECTROLYTE, BATTERY PACK, AND VEHICLE
    Publication number: 20200127322
    Abstract: According to one embodiment, a composite electrolyte includes lithium-containing oxide particles and an electrolytic composition. The electrolytic composition includes lithium ions, an organic solvent and a polymer. A content of the lithium-containing oxide particles in the composite electrolyte falls within a range of from 90% by weight to 98% by weight. A specific surface area of the lithium-containing oxide particles falls within a range of 10 m2/g to 500 m2/g and is measured by a BET adsorption method using N2.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 23, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Norio TAKAMI, Kazuomi YOSHIMA, Yasuhiro HARADA
  • Production method of battery active material, battery active material, nonaqueous electrolyte battery and battery pack
    Patent number: 10629901
    Abstract: A production method of a battery active material of the present embodiment includes a step of obtaining a coprecipitated product containing Ti and Nb by mixing a solution with a pH of 5 or lower, in which a Ti compound is dissolved, and a solution with a pH of 5 or lower, in which a Nb compound is dissolved, such that molar ratio of Ti and Nb (Nb/Ti) is adjusted within a range of 1?Nb/Ti?28, and then further mixing with an alkali solution with a pH of 8 or higher; and a step of burning the coprecipitated product under condition of 635° C. or higher and 1200° C. or lower.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: April 21, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuki Ise, Yasuhiro Harada, Norio Takami
  • PRESS MACHINE AND METHOD FOR MONITORING ABNORMALITY OF PRESS MACHINE
    Publication number: 20200114608
    Abstract: A press machine includes: a learning-model generating unit that uses one data from among data collected from sensors, as an objective variable, and uses data other than the one data as an explanatory variable to perform machine learning to generate a learning model for the one data, the generation being performed for all the data; a predicted-value calculating unit that inputs an actually measured value of data other than one data from among the data collected from the sensors, into the learning model for the one data to calculate a predicted value of the one data, the calculation being performed for all the data; a degree-of-abnormality calculating unit that calculates a degree of abnormality based on a difference between an actually measured value and a predicted value of the data; and a degree-of-abnormality outputting unit that outputs the calculated degree of abnormality.
    Type: Application
    Filed: October 10, 2019
    Publication date: April 16, 2020
    Inventor: Yasuhiro HARADA
  • Active material, active material composite material, electrode, secondary battery, battery pack, and vehicle
    Patent number: 10608250
    Abstract: According to one embodiment, an active material is provided. The active material includes particles. The particles have a crystal structure belonging to a monoclinic niobium-titanium composite oxide. A ratio of a crystallite size Dc corresponding to a (020) plane with respect to an average primary particle size Dp of the particles is not less than 35%.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: March 31, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuki Ise, Yasuhiro Harada, Norio Takami
  • ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE
    Publication number: 20200091502
    Abstract: According to one embodiment, an active material is provided. The active material includes a first phase including a niobium-titanium composite oxide, and a second phase adjacent to the first phase and including an orthorhombic niobium oxide. The active material is a particle in which a second (010) plane of the orthorhombic niobium oxide is in contact with a first (010) plane of the niobium-titanium composite oxide in at least a part of a contact interface between the first phase and the second phase.
    Type: Application
    Filed: February 28, 2019
    Publication date: March 19, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Yasuhiro HARADA, Norio Takami, Keigo Hoshina, Kazuomi Yoshima
  • ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE
    Publication number: 20200091513
    Abstract: According to one embodiment, an active material is provided. The active material includes a primary particle containing a phosphorus-containing monoclinic niobium-titanium composite oxide. The primary particle has a concentration gradient in which a phosphorus concentration increases from the gravity point of the primary particle toward the surface of the primary particle.
    Type: Application
    Filed: February 28, 2019
    Publication date: March 19, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Yasuhiro HARADA, Norio Takami, Yasunobu Yamashita, Kazuomi Yoshima
  • ELECTRODE, LAMINATE, LITHIUM ION SECONDARY BATTERY, BATTERY PACK, AND VEHICLE
    Publication number: 20200091499
    Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer including active material particles and solid electrolyte particles being present away from the active material particles. The active material particles have lithium ion conductivity. The solid electrolyte particles have first ion conductivity. The solid electrolyte particles include a first ion that is at least one selected from the group consisting of an alkali metal ion excluding a lithium ion, a Ca ion, an Mg ion, and an Al ion.
    Type: Application
    Filed: February 28, 2019
    Publication date: March 19, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Kazuomi YOSHIMA, Yasunobu YAMASHITA, Yasuhiro HARADA, Norio TAKAMI
  • ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE
    Publication number: 20200091505
    Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer. The active material-containing layer includes an active material and a conductive agent. The active material contains primary particles of a niobium-titanium composite oxide. The conductive agent contains fibrous carbon. The primary particles have an average particle size of 0.3 ?m or more and 2 ?m or less. At least a part of a surface of the primary particles is coated with the fibrous carbon. A covering ratio of the primary particles by the fibrous carbon is 0.01% or more and 40% or less.
    Type: Application
    Filed: March 8, 2019
    Publication date: March 19, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Keigo HOSHINA, Wen Zhang, Yasuhiro Harada, Norio Takami
  • Active material, active material composite material, electrode, secondary battery, battery pack, and vehicle
    Patent number: 10566619
    Abstract: According to one embodiment, an active material is provided. The active material includes particles. The particles have a crystal structure belonging to a monoclinic niobium-titanium composite oxide. A ratio of a crystallite size Dc corresponding to a (020) plane with respect to an average primary particle size Dp of the particles is not less than 35%.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: February 18, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuki Ise, Yasuhiro Harada, Norio Takami