Patents by Inventor Kenta Nishibara

Kenta Nishibara 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).

  • Aromatic polyamide porous film, separator for battery, and battery
    Patent number: 10044017
    Abstract: An aromatic polyamide porous film has a total number of branch points of pores in an area of 3 cubic micrometers obtained by three-dimensional structural analysis is 2,000 to 20,000, which ensures high rate characteristics and is also capable of suppressing deterioration of cycle characteristics and storage characteristics as well as abnormal heat generation, when used as a separator for battery, and also has excellent heat resistance; and a separator for battery and a battery, each including the aromatic polyamide porous film.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: August 7, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Atsushi Sawamoto, Kenta Nishibara, Akimitsu Tsukuda
  • AROMATIC POLYAMIDE POROUS FILM, SEPARATOR FOR BATTERY, AND BATTERY
    Publication number: 20140329155
    Abstract: An aromatic polyamide porous film has a total number of branch points of pores in an area of 3 cubic micrometers obtained by three-dimensional structural analysis is 2,000 to 20,000, which ensures high rate characteristics and is also capable of suppressing deterioration of cycle characteristics and storage characteristics as well as abnormal heat generation, when used as a separator for battery, and also has excellent heat resistance; and a separator for battery and a battery, each including the aromatic polyamide porous film.
    Type: Application
    Filed: September 4, 2012
    Publication date: November 6, 2014
    Applicant: Toray Industries, Inc.
    Inventors: Atsushi Sawamoto, Kenta Nishibara, Akimitsu Tsukuda
  • Aromatic polyamide porous film and separator for capacitor or battery using the same
    Patent number: 8815384
    Abstract: A porous film includes aromatic polyamide as a constituent component that has high heat resistance, high air permeability and high affinity to electrolytes. It is a porous aromatic polyamide film including aromatic polyamide and a hydrophilic polymer, wherein the hydrophilic polymer accounts for 12 to 50 parts by mass per 100 parts by mass of the aromatic polyamide, the thickness being 2 to 30 micrometers, the Gurley air permeability being 0.5 to 300 seconds/100 ml, and the thermal shrinkage rate being ?0.5 to 1.0% at 200° C.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: August 26, 2014
    Assignee: Toray Industries, Inc.
    Inventors: Atsushi Sawamoto, Kenta Nishibara, Akimitsu Tsukuda
  • AROMATIC POLYAMIDE POROUS FILM AND SEPARATOR FOR CAPACITOR OR BATTERY USING THE SAME
    Publication number: 20120308898
    Abstract: A porous film includes aromatic polyamide as a constituent component that has high heat resistance, high air permeability and high affinity to electrolytes. It is a porous aromatic polyamide film including aromatic polyamide and a hydrophilic polymer, wherein the hydrophilic polymer accounts for 12 to 50 parts by mass per 100 parts by mass of the aromatic polyamide, the thickness being 2 to 30 micrometers, the Gurley air permeability being 0.5 to 300 seconds/100 ml, and the thermal shrinkage rate being ?0.5 to 1.0% at 200° C.
    Type: Application
    Filed: December 3, 2010
    Publication date: December 6, 2012
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Atsushi Sawamoto, Kenta Nishibara, Akimitsu Tsukuda