Patents by Inventor Tsutomu Teraoka

Tsutomu Teraoka 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: 20200358135
    Abstract: A manufacturing method of an electrode assembly capable of easily manufacturing a configuration in which an electrolyte and an active material are bonded to each other. A step of supplying, solidifying, and crystallizing a solid electrolyte including Li2+XC1?XBXO3 (X represents a real number equal to or greater than 0 and smaller than 1), so as to be in contact with an active material aggregate including a communication hole between active material particles, is included. In a case where the solid electrolyte is melted, the solid electrolyte is heated in a range of 650 degrees to 900 degrees.
    Type: Application
    Filed: July 28, 2020
    Publication date: November 12, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hitoshi YAMAMOTO, Tomoyuki OKUYAMA
  • Patent number: 10770757
    Abstract: A manufacturing method of an electrode assembly capable of easily manufacturing a configuration in which an electrolyte and an active material are bonded to each other is provided. A step of supplying, solidifying, and crystallizing a solid electrolyte 22 including Li2+XC1?XBXO3 (X represents a real number equal to or greater than 0 and smaller than 1), so as to be in contact with an active material aggregate 12 including a communication hole 14 between active material particles 13, is included. In a case where the solid electrolyte 22 is melted, the solid electrolyte 22 is heated in a range of 650 degrees to 900 degrees.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: September 8, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Tomofumi Yokoyama, Hitoshi Yamamoto, Tomoyuki Okuyama
  • Publication number: 20200052329
    Abstract: An electrode composite body includes: an active material molded body including active material particles which include a lithium composite oxide and have a particle shape, and a communication hole that is provided between the active material particles; a first solid electrolyte layer that is provided on a surface of the active material molded body, and includes a first inorganic solid electrolyte; and a second solid electrolyte layer that is provided on the surface of the active material molded body, and includes a second inorganic solid electrolyte of which a composition is different from a composition of the first inorganic solid electrolyte, and which contains boron as a constituent element and is crystalline.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Tomofumi Yokoyama, Hitoshi Yamamoto
  • Publication number: 20200052328
    Abstract: An electrode composite body includes: an active material molded body including active material particles which include a lithium composite oxide and have a particle shape, and a communication hole that is provided between the active material particles; a first solid electrolyte layer that is provided on a surface of the active material molded body, and includes a first inorganic solid electrolyte; and a second solid electrolyte layer that is provided on the surface of the active material molded body, and includes a second inorganic solid electrolyte of which a composition is different from a composition of the first inorganic solid electrolyte, and which contains boron as a constituent element and is amorphous.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hitoshi YAMAMOTO
  • Patent number: 10096818
    Abstract: An electrode complex includes: a complex which includes a porous active material molded body which is formed by being three-dimensionally connected with a plurality of particulate active material particles containing a lithium double oxide and a plurality of particulate noble metal particles containing a noble metal with a melting point of 1000° C. or higher and includes a communication hole, and a solid electrolyte layer formed on the surface of the active material molded body containing the communication hole of the active material molded body; and a current collector which is provided by being bonded to the active material molded body on one surface of the complex.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: October 9, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Tomofumi Yokoyama
  • Publication number: 20180269532
    Abstract: A manufacturing method of an electrode assembly capable of easily manufacturing a configuration in which an electrolyte and an active material are bonded to each other. A step of supplying, solidifying, and crystallizing a solid electrolyte including Li2+XC1?XBXO3 (X represents a real number equal to or greater than 0 and smaller than 1), so as to be in contact with an active material aggregate including a communication hole between active material particles, is included. In a case where the solid electrolyte is melted, the solid electrolyte is heated in a range of 650 degrees to 900 degrees.
    Type: Application
    Filed: September 26, 2016
    Publication date: September 20, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hitoshi YAMAMOTO, Tomoyuki OKUYAMA
  • Patent number: 10056616
    Abstract: A manufacturing method of an electrode assembly includes forming an active material molded body which contains lithium double oxide and includes plural voids, forming a solid electrolyte in the plural voids, and attaching a polymer gel film impregnated with an electrolytic solution for conducting lithium ions to the active material molded body in which the solid electrolyte is formed.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: August 21, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Tomofumi Yokoyama, Hirofumi Hokari
  • Patent number: 9831524
    Abstract: A manufacturing method of an electrode assembly includes: forming an active material compact containing a lithium double oxide and having a plurality of voids; forming a first solid electrolyte in the plurality of voids; impregnating a precursor solution of a second amorphous solid electrolyte conducting lithium ions with an active material compact in which the first solid electrolyte is formed; and performing heat treatment of the active material compact with which the precursor solution is impregnated and forming a second solid electrolyte in the plurality of voids.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: November 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Tomofumi Yokoyama
  • Patent number: 9666902
    Abstract: A solid electrolyte includes a plurality of particles having lithium ionic conductivity and a matrix which is interposed among the particles so as to be in contact with each of the particles and is formed from an amorphous material containing the following (a) and (b): (a) lithium atoms; and (b) an oxide of at least one element selected from the group consisting of boron, a Group 14 element in period 3 or lower, and a Group 15 element in period 3 or lower.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: May 30, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomofumi Yokoyama, Tsutomu Teraoka
  • Publication number: 20160359191
    Abstract: An electrode composite body includes: an active material molded body including active material particles which include a lithium composite oxide and have a particle shape, and a communication hole that is provided between the active material particles; a first solid electrolyte layer that is provided on a surface of the active material molded body, and includes a first inorganic solid electrolyte; and a second solid electrolyte layer that is provided on the surface of the active material molded body, and includes a second inorganic solid electrolyte of which a composition is different from a composition of the first inorganic solid electrolyte, and which contains boron as a constituent element and is amorphous.
    Type: Application
    Filed: May 23, 2016
    Publication date: December 8, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hitoshi YAMAMOTO
  • Publication number: 20160359190
    Abstract: An electrode composite body includes: an active material molded body including active material particles which include a lithium composite oxide and have a particle shape, and a communication hole that is provided between the active material particles; a first solid electrolyte layer that is provided on a surface of the active material molded body, and includes a first inorganic solid electrolyte; and a second solid electrolyte layer that is provided on the surface of the active material molded body, and includes a second inorganic solid electrolyte of which a composition is different from a composition of the first inorganic solid electrolyte, and which contains boron as a constituent element and is crystalline.
    Type: Application
    Filed: May 23, 2016
    Publication date: December 8, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hitoshi YAMAMOTO
  • Patent number: 9350013
    Abstract: A method for producing an electrode assembly includes: obtaining a porous active material molded body by molding a constituent material containing a lithium multiple oxide in the form of particles by compression, and then performing a heat treatment at a temperature of 850° C. or higher and lower than the melting point of the used lithium multiple oxide; forming a solid electrolyte layer by applying a liquid containing a constituent material of an inorganic solid electrolyte to the surface of the active material molded body including the inside of each pore of the active material molded body, and then performing a heat treatment; and bonding a current collector to the active material molded body exposed from the solid electrolyte layer.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: May 24, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Sukenori Ichikawa, Hirofumi Hokari, Tomofumi Yokoyama
  • Publication number: 20160093875
    Abstract: An electrode complex includes: a complex which includes a porous active material molded body which is formed by being three-dimensionally connected with a plurality of particulate active material particles containing a lithium double oxide and a plurality of particulate noble metal particles containing a noble metal with a melting point of 1000° C. or higher and includes a communication hole, and a solid electrolyte layer formed on the surface of the active material molded body containing the communication hole of the active material molded body; and a current collector which is provided by being bonded to the active material molded body on one surface of the complex.
    Type: Application
    Filed: September 17, 2015
    Publication date: March 31, 2016
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA
  • Patent number: 9252423
    Abstract: A method for producing an electrode assembly includes: obtaining a porous active material molded body by molding a constituent material containing a lithium multiple oxide in the form of particles by compression, and then performing a heat treatment at a temperature of 850° C. or higher and lower than the melting point of the used lithium multiple oxide; forming a solid electrolyte layer by applying a liquid containing a constituent material of an inorganic solid electrolyte to the surface of the active material molded body including the inside of each pore of the active material molded body, and then performing a heat treatment; and bonding a current collector to the active material molded body exposed from the solid electrolyte layer.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: February 2, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsutomu Teraoka, Sukenori Ichikawa, Hirofumi Hokari, Tomofumi Yokoyama
  • Publication number: 20150228981
    Abstract: A manufacturing method of an electrode assembly includes forming an active material molded body which contains lithium double oxide and includes plural voids, forming a solid electrolyte in the plural voids, and attaching a polymer gel film impregnated with an electrolytic solution for conducting lithium ions to the active material molded body in which the solid electrolyte is formed.
    Type: Application
    Filed: February 4, 2015
    Publication date: August 13, 2015
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hirofumi HOKARI
  • Publication number: 20150221979
    Abstract: A manufacturing method of an electrode assembly includes: forming an active material compact containing a lithium double oxide and having a plurality of voids; forming a first solid electrolyte in the plurality of voids; impregnating a precursor solution of a second amorphous solid electrolyte conducting lithium ions with an active material compact in which the first solid electrolyte is formed; and performing heat treatment of the active material compact with which the precursor solution is impregnated and forming a second solid electrolyte in the plurality of voids.
    Type: Application
    Filed: January 27, 2015
    Publication date: August 6, 2015
    Inventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA
  • Publication number: 20150118573
    Abstract: A solid electrolyte includes a plurality of particles having lithium ionic conductivity and a matrix which is interposed among the particles so as to be in contact with each of the particles and is formed from an amorphous material containing the following (a) and (b): (a) lithium atoms; and (b) an oxide of at least one element selected from the group consisting of boron, a Group 14 element in period 3 or lower, and a Group 15 element in period 3 or lower.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 30, 2015
    Inventors: Tomofumi YOKOYAMA, Tsutomu TERAOKA
  • Publication number: 20140216631
    Abstract: A method for producing an electrode assembly includes: obtaining a porous active material molded body by molding a constituent material containing a lithium multiple oxide in the form of particles by compression, and then performing a heat treatment at a temperature of 850° C. or higher and lower than the melting point of the used lithium multiple oxide; forming a solid electrolyte layer by applying a liquid containing a constituent material of an inorganic solid electrolyte to the surface of the active material molded body including the inside of each pore of the active material molded body, and then performing a heat treatment; and bonding a current collector to the active material molded body exposed from the solid electrolyte layer.
    Type: Application
    Filed: February 4, 2014
    Publication date: August 7, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Sukenori ICHIKAWA, Hirofumi HOKARI, Tomofumi YOKOYAMA
  • Publication number: 20140093821
    Abstract: A method of producing a liquid developer containing an insulation liquid and toner particles is provided. The method includes: grinding a toner material under the presence of a substance A in the insulation liquid; subjecting a dispersion liquid to a heat treatment at a higher temperature than a glass transition temperature of a resin material while giving shear force to the dispersion liquid: and mixing the dispersion liquid having been subjected to the heat treatment with a substance B. A liquid developer including an insulation liquid, toner particles, and a substance B is also provided. The toner particles are constituted of a substance A, a resin material and a coloring agent. The resin material is a polyester resin and/or a styrene-acrylic resin. The substance A is an acrylic modified silicone sufficiently soluble to the insulation liquid and the substance B is a silanol group-containing polysiloxane and/or a fluorine modified silicone.
    Type: Application
    Filed: September 25, 2013
    Publication date: April 3, 2014
    Applicants: Shin-Etsu Chemical Co., Ltd., SEIKO EPSON CORPORATION
    Inventors: Tsutomu TERAOKA, Fuminori YANO, Masanao KAMEI
  • Patent number: 8614045
    Abstract: A liquid developer is provided. The liquid developer includes a liquid insulator and toner particles. The liquid insulator toner particles include a resin material, a colorant, a substance A, a substance B, and a substance C. The substance A is an acrylic-modified silicone. The substance B is at least one selected from the group consisting a quaternary cationic silicone, an aminophenyl-modified silicone, and a phenyl-modified silicone. The substance C is at least one of a silanol-containing polysiloxane and a fluorine-modified silicone. The average degree of roundness R1 of the toner particles is 0.890 or greater, if the degree of roundness is expressed as L0/L1, where L1 (?m) is a circumference of a profile view of a measured particle and L0 (?m) is the circumference of a perfect circle of a circumference of a profile view corresponding to the profile view of the measured particle.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: December 24, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Kenichi Numakura, Yoshihiro Ueno, Masahiro Oki, Tsutomu Teraoka