Patents by Inventor Hiroyuki Toya

Hiroyuki Toya 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: 11148426
    Abstract: There is provided a technology which can improve the mounting posture of a liquid ejection apparatus when mounted to a liquid container. The liquid container is flexible and includes a storage portion configured to store the liquid and a connection member. The connection member is provided with a liquid outlet which is inserted with a liquid introduction portion, a container-side electrical connector which makes electrical contact with an apparatus-side electrical connection unit while receive at least +Z direction force from the apparatus-side electrical connection unit, a first receiver configured to receive a first positioning portion, a second receiver configured to receive a second positioning portion, and a recess which houses a protrusion of the case. The recess and the container-side electrical connector are formed at positions which at least partially overlap each other when viewed from a Z direction in a mounting state.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: October 19, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hiroyuki Kawate, Akihiro Toya, Yoshiaki Shimizu, Mikinori Sawai
  • Publication number: 20210265629
    Abstract: Provided are a cathode active material having a suitable particle size and high uniformity, and a nickel composite hydroxide as a precursor of the cathode active material. When obtaining nickel composite hydroxide by a crystallization reaction, nucleation is performed by controlling a nucleation aqueous solution that includes a metal compound, which includes nickel, and an ammonium ion donor so that the pH value at a standard solution temperature of 25° C. becomes 12.0 to 14.0, after which, particles are grown by controlling a particle growth aqueous solution that includes the formed nuclei so that the pH value at a standard solution temperature of 25° C. becomes 10.5 to 12.0, and so that the pH value is lower than the pH value during nucleation.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Atsushi FUKUI, Katsuya INOUE, Shuhei ODA, Hiroyuki TOYA
  • Patent number: 11097549
    Abstract: There is provided a technique of improving the mounting position of a liquid container relative to a liquid ejection device. The liquid container configured to be mountable to and dismountable from a case of the liquid ejection device includes a bag-like member that has flexibility and that includes a containing portion provided to contain a liquid inside thereof; and connection member that is located at an end of the bag-like member. The connection member includes a liquid outlet configured such that a liquid introducing element of the liquid ejection device is inserted in the liquid outlet; a container-side electrical connecting structure configured such that a device-side electrical connecting structure of the liquid ejection device is connected with the container-side electrical connecting structure; and two guided elements configured such that at least respective parts of two guide elements of the case are fitted in the two guided elements in a state that the liquid container is placed in the case.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: August 24, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takumi Nagashima, Hiroyuki Kawate, Yoshiaki Shimizu, Akihiro Toya, Tetsuya Takamoto, Tadahiro Mizutani, Hiroyoshi Ozeki, Manabu Yamaguchi
  • Patent number: 11056681
    Abstract: Provided is a method for producing the positive electrode active material for nonaqueous electrolyte secondary batteries, including a first step of mixing a Li-metal composite oxide powder which is represented by the general formula: LizNi1-x-yCoxMyO2 (where 0?x?0.35, 0?y?0.35, and 0.97?z?1.30 are satisfied, and M is at least one element selected from Mn, V, Mg, Mo, Nb, Ti and Al) and constituted by primary particles and secondary particles, to an alkaline solution with a W compound dissolved therein, and immersing a resulting mixture, followed by solid-liquid separation, to obtain a W mixture with W uniformly dispersed on the surface of the primary particles of the composite oxide, and a second step of heat-treating the W mixture to thereby form a compound containing W and Li on the surface of the primary particles of the composite oxide powder.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: July 6, 2021
    Inventors: Yuki Furuichi, Tetsufumi Komukai, Hiroyuki Toya
  • Patent number: 11038168
    Abstract: Provided are a cathode active material having a suitable particle size and high uniformity, and a nickel composite hydroxide as a precursor of the cathode active material. When obtaining nickel composite hydroxide by a crystallization reaction, nucleation is performed by controlling a nucleation aqueous solution that includes a metal compound, which includes nickel, and an ammonium ion donor so that the pH value at a standard solution temperature of 25° C. becomes 12.0 to 14.0, after which, particles are grown by controlling a particle growth aqueous solution that includes the formed nuclei so that the pH value at a standard solution temperature of 25° C. becomes 10.5 to 12.0, and so that the pH value is lower than the pH value during nucleation.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: June 15, 2021
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Atsushi Fukui, Katsuya Inoue, Shuhei Oda, Hiroyuki Toya
  • Publication number: 20200403238
    Abstract: A cathode active material for a non-aqueous electrolyte secondary battery including primary particles of a lithium nickel complex oxide represented by a general formula: LizNi1?x?yCoxMyO2+?, and secondary particles in which the primary particles aggregate, wherein a plurality of coated lithium nickel complex oxide particles are formed by disposing a compound containing tungsten and lithium on surfaces of the secondary particles and surfaces of the primary particles positioned inside the secondary particles, and wherein a relative standard deviation of a ratio of a number of atoms of tungsten to a number of atoms of a metallic component other than lithium contained in the coated lithium nickel complex oxide particles is 0.4 or lower.
    Type: Application
    Filed: November 21, 2018
    Publication date: December 24, 2020
    Inventors: Toshiaki AIHARA, Hiroyuki TOYA
  • Publication number: 20200403218
    Abstract: Provided is a method for producing the positive electrode active material for nonaqueous electrolyte secondary batteries, including a first step of mixing a Li-metal composite oxide powder which is represented by the general formula: LizNi1-x-yCoxMyO2 (where 0?x?0.35, 0·y?0.35, and 0.97?z?1.30 are satisfied, and M is at least one element selected from Mn, V, Mg, Mo, Nb, Ti and Al) and constituted by primary particles and secondary particles, to an alkaline solution with a W compound dissolved therein, and immersing a resulting mixture, followed by solid-liquid separation, to obtain a W mixture with W uniformly dispersed on the surface of the primary particles of the composite oxide, and a second step of heat-treating the W mixture to thereby form a compound containing W and Li on the surface of the primary particles of the composite oxide powder.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 24, 2020
    Inventors: Yuki Furuichi, Tetsufumi Komukai, Hiroyuki Toya
  • Patent number: 10840509
    Abstract: A positive electrode active material for lithium secondary batteries disclosed herein comprises a lithium transition metal oxide of a layered structure, represented by formula Li1+?NixCoyMnzCa?M?O2 (where ?0.05???0.2, x+y+z+?+??1, 0.3?x??0.7, 0.1?y?0.4, 0.1?z?0.4, 0.0002???0.0025, 0.0002??+??0.02, and in a case where ?>0, M is absent or represents one, two or more elements selected from the group consisting of Na, Mg, Al, Ti, V, Cr, Zr, Nb, Mo, Hf, Ta and W). The tap density of the positive electrode active material ranges from 1.8 to 2.5 g/cm3.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: November 17, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUMITOMO METAL MINING CO., LTD.
    Inventors: Hideyuki Saka, Shuhei Oda, Tetsutaro Hayashi, Hiroyuki Toya
  • Patent number: 10829385
    Abstract: Provided are a positive electrode active material for nonagueous secondary batteries, the material having a narrow particle-size distribution and a monodisperse property and being capable of increasing a battery capacity; an industrial production method thereof; and a nonaqueous secondary battery using the positive electrode active material and having excellent electrical characteristics. The positive electrode active material is represented by a general formula: Li1+uNixCoyMnzMtO2+? (wherein, 0.05?u?0.95, x+y+z+t=1, 0?x?0.5, 0?y?0.5, 0.5?z<0.8, 0?t?0.1, and M is an additive element and at least one element selected from Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, and W), has an average particle diameter of 3 to 12 um, and has [(d90?d10)/average particle diameter], an index indicating a scale of particle-size distribution, of 0.60 or less.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: November 10, 2020
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Satoshi Matsumoto, Shuhei Oda, Katsuya Inoue, Hiroyuki Toya
  • Patent number: 10797302
    Abstract: Provided is a method for producing the positive electrode active material for nonaqueous electrolyte secondary batteries, including a first step of mixing a Li-metal composite oxide powder which is represented by the general formula: LizNi1-x-yCoxMyO2 (where 0?x?0.35, 0?y?0.35, and 0.97?z?1.30 are satisfied, and M is at least one element selected from Mn, V, Mg, Mo, Nb, Ti and Al) and constituted by primary particles and secondary particles, to an alkaline solution with a W compound dissolved therein, and immersing a resulting mixture, followed by solid-liquid separation, to obtain a W mixture with W uniformly dispersed on the surface of the primary particles of the composite oxide, and a second step of heat-treating the W mixture to thereby form a compound containing W and Li on the surface of the primary particles of the composite oxide powder.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: October 6, 2020
    Assignee: Sumitomo Metal Mining Co., Ltd.
    Inventors: Yuki Furuichi, Tetsufumi Komukai, Hiroyuki Toya
  • Publication number: 20200308018
    Abstract: A tungsten trioxide whose IWO2.90/IWO3.00 is less than or equal to 0.15 is provided. IWO2.90/IWO3.00 indicates a ratio of a peak intensity IWO2.90 of a (200) plane of WO2.90 to a peak intensity IWO3.00 of a (200) plane of WO3.00 in an XRD pattern.
    Type: Application
    Filed: November 21, 2018
    Publication date: October 1, 2020
    Inventors: Toshiaki AIHARA, Hiroyuki TOYA
  • Patent number: 10669646
    Abstract: Provided are nickel manganese composite hydroxide particles having a small and uniform particle size and having a double structure which enables to obtain a cathode active material having a hollow structure, and a manufacturing method thereof. When obtaining the nickel manganese composite hydroxide by a reaction crystallization, using an aqueous solution for nucleation, which includes at least a metallic compound that contains nickel, a metallic compound that contains manganese and an ammonium ion donor and controlling the pH value that is measured at a standard solution temperature of 25° C. is 10.5 to 12.0, nucleation is performed in an oxidizing atmosphere in which the oxygen concentration is greater than 1% by volume, and then nuclei are grown by switching the atmosphere from the oxidizing atmosphere to a mixed atmosphere of oxygen and inert gas in which the oxygen concentration is 1% by volume or less.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: June 2, 2020
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Hiroyuki Toya, Kensaku Mori, Shin Imaizumi, Kenji Ikeuchi, Toshiyuki Osako
  • Patent number: 10629891
    Abstract: A non-aqueous electrolyte secondary battery is provided that has both good safety and durability characteristics while at the same time has high charge/discharge capacity. The cathode active material for a non-aqueous electrolyte secondary battery of the present invention is a lithium nickel composite oxide to which at least two or more kinds of metal elements including aluminum are added, and comprises secondary particles that are composed of fine secondary particles having an average particle size of 2 ?m to 4 ?m, and rough secondary particles having an average particle size of 6 ?m to 15 ?m, with an overall average particle size of 5 ?m to 15 ?m; where the aluminum content of fine secondary particles (metal mole ratio: SA) is greater than the aluminum content of rough secondary particles (metal mole ratio: LA), and preferably the aluminum concentration ratio (SA/LA) is within the range 1.2 to 2.6.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: April 21, 2020
    Assignees: SUMITOMO METAL MINING CO., LTD., Toyota Jidosha Kabushiki Kaisha
    Inventors: Syuhei Oda, Hiroyuki Toya, Katsuya Kase, Yutaka Oyama
  • Patent number: 10615012
    Abstract: A sputtering apparatus includes a shutter unit, a plurality of target holders, and a substrate holder which can rotate about an axis perpendicular to a surface on which a substrate is held. The shutter unit includes a first shutter having first and second apertures and a second shutter having third and fourth apertures. The plurality of target holders are arranged on a first virtual circle centered on the axis, with the arrangement intervals between the plurality of target holders on the first virtual circle including at least two types of arrangement intervals.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: April 7, 2020
    Assignee: CANON ANELVA CORPORATION
    Inventors: Shigenori Ishihara, Hiroyuki Toya, Yasushi Yasumatsu, Toshikazu Nakazawa, Eiji Nakamura, Shintaro Suda, Shin Imai, Yuu Fujimoto
  • Patent number: 10601036
    Abstract: Provided is a precursor of a positive electrode active material containing, in a reduced amount, impurities which do not contribute to a charge/discharge reaction but rather corrode a firing furnace and peripheral equipment and thus having excellent battery characteristics and safety, and production method thereof. A method for producing a precursor of a positive electrode active material for nonaqueous electrolyte secondary batteries having a hollow structure or porous structure includes obtaining the precursor by washing nickel-manganese composite hydroxide particles having a particular composition ratio and a pore structure in which pores are present within the particles with an aqueous carbonate solution having a carbonate concentration of 0.1 mol/L or more.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: March 24, 2020
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Taira Aida, Hiroyuki Toya
  • Publication number: 20200044250
    Abstract: An object of the present invention is to provide nickel cobalt manganese composite hydroxide particles having a small particle diameter and a uniform particle size distribution, and a method for producing the same. A method for producing a nickel cobalt manganese composite hydroxide by a crystallization reaction is provided. The method includes: a nucleation step of performing nucleation by controlling a pH of an aqueous solution for nucleation including metal compounds containing nickel, cobalt and manganese, and an ammonium ion donor to 12.0 to 14.0 in teams of the pH as measured at a liquid temperature of 25° C. as a standard; and a particle growth step of growing nuclei by controlling a pH of an aqueous solution for particle growth containing nuclei formed in the nucleation step to 10.5 to 12.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard.
    Type: Application
    Filed: October 3, 2019
    Publication date: February 6, 2020
    Applicants: SUMITOMO METAL MINING CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki TOYA, Shin IMAIZUMI, Kensaku MORI, Atsushi FUKUI, Kenji IKEUCHI, Kazuomi RYOSHI, Toshiyuki OSAKO, Hiroki NAGAI
  • Publication number: 20200006770
    Abstract: Provided is a cathode active material that can simultaneously improve the capacity characteristics, output characteristics, and cycling characteristics of a rechargeable battery when used as cathode material for a non-aqueous electrolyte rechargeable battery. After performing nucleation by controlling an aqueous solution for nucleation that includes a metal compound that includes at least a transition metal and an ammonium ion donor so that the pH value becomes 12.0 to 14.0 (nucleation process), nuclei are caused to grow by controlling aqueous solution for particle growth that includes the nuclei so that the pH value is less than in the nucleation process and is 10.5 to 12.0 (particle growth process).
    Type: Application
    Filed: August 13, 2019
    Publication date: January 2, 2020
    Inventors: Yasutaka KAMATA, Taira AIDA, Hiroyuki TOYA
  • Patent number: 10516165
    Abstract: An object of the present invention is to provide nickel cobalt manganese composite hydroxide particles having a small particle diameter and a uniform particle size distribution, and a method for producing the same. A method for producing a nickel cobalt manganese composite hydroxide by a crystallization reaction is provided. The method includes: a nucleation step of performing nucleation by controlling a pH of an aqueous solution for nucleation including metal compounds containing nickel, cobalt and manganese, and an ammonium ion donor to 12.0 to 14.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard; and a particle growth step of growing nuclei by controlling a pH of an aqueous solution for particle growth containing nuclei formed in the nucleation step to 10.5 to 12.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: December 24, 2019
    Assignees: SUMITOMO METAL MINING CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki Toya, Shin Imaizumi, Kensaku Mori, Atsushi Fukui, Kenji Ikeuchi, Kazuomi Ryoshi, Toshiyuki Osako, Hiroki Nagai
  • Patent number: 10490815
    Abstract: An object of the present invention is to provide nickel cobalt manganese composite hydroxide particles having a small particle diameter and a uniform particle size distribution, and a method for producing the same. [Solution] A method for producing a nickel cobalt manganese composite hydroxide by a crystallization reaction is provided. The method includes: a nucleation step of performing nucleation by controlling a pH of an aqueous solution for nucleation including metal compounds containing nickel, cobalt and manganese, and an ammonium ion donor to 12.0 to 14.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard; and a particle growth step of growing nuclei by controlling a pH of an aqueous solution for particle growth containing nuclei formed in the nucleation step to 10.5 to 12.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: November 26, 2019
    Assignees: SUMITOMO METAL MINING CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki Toya, Shin Imaizumi, Kensaku Mori, Atsushi Fukui, Kenji Ikeuchi, Kazuomi Ryoshi, Toshiyuki Osako, Hiroki Nagai
  • Patent number: 10483539
    Abstract: A positive electrode active material for a non-aqueous electrolyte secondary battery, which enables a non-aqueous electrolyte secondary battery to achieve great battery characteristics, and a process for producing the material, as well as a non-aqueous electrolyte secondary batter.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: November 19, 2019
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Katsuya Inoue, Hiroyuki Toya