Patents by Inventor Kazuhito Hatta

Kazuhito Hatta 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: 10985351
    Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: April 20, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuhito Hatta, Mashio Shibuya
  • Patent number: 10985350
    Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: April 20, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuhito Hatta, Mashio Shibuya
  • Patent number: 10862093
    Abstract: Provided is a separator including: a substrate; and a surface layer formed on at least one surface of the substrate, and having a higher porosity than that of the substrate. It is preferable that the surface layer includes: a first layer having convexities and concavities existing as cavities; and a second layer formed between the first layer and the separator, and the second layer has a higher porosity than that of the substrate, and the first layer has a higher porosity than that of the second layer. In this case, it is preferable that the porosity of the substrate is from 25% to 40%, the porosity of the first layer is from 60% to 90%, and the porosity of the second layer is from 40% to 65%.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: December 8, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Toshitsugu Ono
  • Publication number: 20200287173
    Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Inventors: Kazuhito HATTA, Mashio SHIBUYA
  • Publication number: 20200287174
    Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Inventors: Kazuhito HATTA, Mashio SHIBUYA
  • Publication number: 20200259147
    Abstract: Provided is a battery including a positive electrode, a negative electrode, an electrolytic solution, and a particle-containing resin layer that contains particles and a resin. A shape of the particles includes a plane, a plane rate of the particles is greater than 40% and equal to or less than 100%, and a refractive index of the particles is equal to or greater than 1.3 and less than 2.4.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Inventors: KAZUHITO HATTA, KEIICHI KAGAMI, NOBUAKI SHIMOSAKA, KEIZO KOGA
  • Patent number: 10665841
    Abstract: Provided is a battery including a positive electrode, a negative electrode, an electrolytic solution, and a particle-containing resin layer that contains particles and a resin. A shape of the particles includes a plane, a plane rate of the particles is greater than 40% and equal to or less than 100%, and a refractive index of the particles is equal to or greater than 1.3 and less than 2.4.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: May 26, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuhito Hatta, Keiichi Kagami, Nobuaki Shimosaka, Keizo Koga
  • Publication number: 20200067031
    Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Inventors: Kazuhito HATTA, Mashio SHIBUYA
  • Patent number: 10559800
    Abstract: A battery is provided. The battery includes a cathode; an anode; an interlayer provided between the cathode and the anode; wherein the interlayer includes an electrolytic solution, a polymer compound, and one or more of a polyphosphate salt, a melamine salt, a metal hydroxide, and a metal hydrate.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 11, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Keiichi Kagami, Kimio Takahashi, Kojiro Kita, Kazuhito Hatta
  • Patent number: 10468640
    Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: November 5, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Mashio Shibuya
  • Patent number: 10343527
    Abstract: Between an anode active material layer and a separator, a recess impregnation region of an anode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent anode active material particles positioned on the outermost surface of the anode active material layer is formed. Between a cathode active material layer and a separator, a recess impregnation region of a cathode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent cathode active material particles positioned on the outermost surface of the cathode active material layer is formed. The solid particles in the recess impregnation regions of the cathode side and the anode side have a concentration that is 30 volume % or more.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: July 9, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Nobuaki Shimosaka, Masaki Machida, Manabu Aoki, Masahiro Miyamoto
  • Patent number: 10270128
    Abstract: A particle size D50 of the particle is not less than 50 nm and not more than 450 nm, or not less than 750 nm and not more than 10,000 nm. A refractive index of the particle is not less than 1.3 and less than 2.4. One of a mass ratio between the particles and the matrix polymer compound (particles/matrix polymer compound) and a mass ratio between the particles and the electrolyte salt (particles/electrolyte salt) is not less than 15/85 and not more than 90/10.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: April 23, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Keiichi Kagami, Nobuaki Shimosaka, Keizo Koga
  • Patent number: 10263278
    Abstract: Provided is a battery including a positive electrode, a negative electrode, a separator, and an electrolyte that contains particles, a resin, and an electrolytic solution. The shape of the particles includes a plane, a plane rate of the particles is greater than 40% and equal to or less than 100%, and a refractive index of the particles is equal to or greater than 1.3 and less than 2.4.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: April 16, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuhito Hatta, Keiichi Kagami, Nobuaki Shimosaka, Keizo Koga
  • Patent number: 10084201
    Abstract: A gel electrolyte layer is provided between a positive electrode and a second electrode. The gel electrolyte layer is a layer containing particles, a resin material, and a polymer compound for retaining the resin material, and having a heat capacity per unit area of 0.0001 J/Kcm2 or more and a heat capacity per unit volume of 3.0 J/Kcm3 or less.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: September 25, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Keiichi Kagami, Nobuaki Shimosaka, Toshitsugu Ono, Keizo Koga
  • Patent number: 10079379
    Abstract: The present invention relates to a layer disposed between a positive electrode and a negative electrode, which is a layer containing particles and a resin material, and having a porous structure with a heat capacity per unit area of 0.0001 J/Kcm2 or more and a heat capacity per unit volume of 3.0 J/Kcm3 or less.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: September 18, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Toshitsugu Ono
  • Publication number: 20180123092
    Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.
    Type: Application
    Filed: December 29, 2017
    Publication date: May 3, 2018
    Inventors: Kazuhito HATTA, Mashio SHIBUYA
  • Patent number: 9954212
    Abstract: A battery includes electrodes including a positive electrode and a negative electrode; and a particle-containing insulating part that is provided between the positive electrode and the negative electrode and includes particles and a resin, wherein the particles are a material capable of undergoing an endothermic dehydration reaction and have a flat shape with an aspect ratio of 2/1 or more.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: April 24, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Keiichi Kagami, Kazuhito Hatta, Nobuaki Shimosaka, Keizo Koga
  • Patent number: 9947964
    Abstract: A battery includes a positive electrode formed with a positive electrode active material layer containing a positive electrode active material at least on one side of a positive electrode current collector, a negative electrode formed with a negative electrode active material layer containing a negative electrode active material at least on one side of a negative electrode current collector, a separator, and an electrolyte containing solid particles. The capacity area density (mAh/cm2) of the negative electrode active material layer is equal to or higher than 2.2 mAh/cm2 and equal to or lower than 10 mAh/cm2, and the capacity area density (mAh/cm2) of a gap in the negative electrode active material layer is equal to or higher than 5.9 mAh/cm2 and equal to or lower than 67 mAh/cm2.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: April 17, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Nobuaki Shimosaka
  • Publication number: 20180019458
    Abstract: A battery is provided. The battery includes a cathode; an anode; an interlayer provided between the cathode and the anode; wherein the interlayer includes an electrolytic solution, a polymer compound, and one or more of a polyphosphate salt, a melamine salt, a metal hydroxide, and a metal hydrate.
    Type: Application
    Filed: September 25, 2017
    Publication date: January 18, 2018
    Inventors: Keiichi KAGAMI, Kimio TAKAHASHI, Kojiro KITA, Kazuhito HATTA
  • Patent number: 9871232
    Abstract: A cell in which thermal welding of a laminate packaging is performed so that the thickness of a thermal welded portion including an electrode terminal is larger than that of a thermal welded portion including no electrode terminal.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: January 16, 2018
    Assignee: Sony Corporation
    Inventors: Kazuhito Hatta, Mashio Shibuya