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).

  • Publication number: 20240396132
    Abstract: A battery pack is provided and includes a secondary battery including a laminated body including a plurality of positive electrodes and a plurality of negative electrodes, the positive electrodes and the negative electrodes being alternately laminated with separators interposed therebetween, and an exterior body; and a housing that accommodates the secondary battery. The exterior body includes an accommodating portion that accommodates the laminated body, and a flange portion that is bendable around the accommodating portion. The housing has a first inner surface and a second inner surface facing the first inner surface with the accommodating portion interposed therebetween. The flange portion includes: a first portion extending along a first direction from the accommodating portion toward the first inner surface; and a second portion that is continuous from a distal end of the first portion and has a first fixing surface fixed to the first inner surface.
    Type: Application
    Filed: August 7, 2024
    Publication date: November 28, 2024
    Inventors: Kazuhito HATTA, Daiki MISAWA
  • Publication number: 20240396134
    Abstract: A secondary battery is provided and includes an exterior body having a first exterior portion having an accommodation portion having an accommodation space for accommodating a laminated body and a flange portion around the accommodation portion, and a second exterior portion that covers the accommodation space and to which the flange portion is joined, each of the first exterior portion and the second exterior portion has a laminated structure including a metal layer and a resin layer, a joint portion of the first exterior portion and the second exterior portion includes a first resin portion in which a resin layer of the flange portion and the resin layer of the second exterior portion are joined, a second resin portion having a projecting portion projecting from the first resin portion to the accommodation space, a sectional shape of the exterior body has a recessed portion having a bottom at a connection point between an inner surface of a resin layer of the accommodation portion and a surface of the proje
    Type: Application
    Filed: July 31, 2024
    Publication date: November 28, 2024
    Inventors: Ippei WAKI, Ami ONUMA, Hidekazu MURAKAMI, Yosuke KONO, Kazuhito HATTA
  • Patent number: 11532853
    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: April 29, 2020
    Date of Patent: December 20, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuhito Hatta, Keiichi Kagami, Nobuaki Shimosaka, Keizo Koga
  • Patent number: 11189873
    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: March 8, 2021
    Date of Patent: November 30, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuhito Hatta, Mashio Shibuya
  • Patent number: 11108108
    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: October 29, 2019
    Date of Patent: August 31, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuhito Hatta, Mashio Shibuya
  • Publication number: 20210194082
    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: March 8, 2021
    Publication date: June 24, 2021
    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: 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: 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