Patents by Inventor Tokimitsu KOBAYASHI

Tokimitsu KOBAYASHI 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).

  • SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY
    Publication number: 20230207970
    Abstract: Provided is a separator for a non-aqueous secondary battery containing a porous substrate; and a porous layer that is provided on one side of the porous substrate, and that contains a resin and a filler, in which a shrinkage ratio in a MD direction, when heat-treated at 100° C. for 30 minutes under no tension, is more than 1.2% and less than or equal to 3.5%.
    Type: Application
    Filed: May 27, 2021
    Publication date: June 29, 2023
    Applicant: TEIJIN LIMITED
    Inventors: Hiroshi SAKURAI, Tokimitsu KOBAYASHI, Satoshi NISHIKAWA
  • SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY
    Publication number: 20220149482
    Abstract: Provided is a separator for a non-aqueous secondary battery containing a porous substrate using a polyolefin porous film; and a heat-resistant porous layer that is provided only on one side of the porous substrate, and that contains a heat-resistant resin and a filler, in which a TD elastic modulus of the porous substrate is from 1.2 GPa to 5.0 GPa.
    Type: Application
    Filed: March 23, 2020
    Publication date: May 12, 2022
    Applicant: TEIJIN LIMITED
    Inventors: Tokimitsu KOBAYASHI, Hiroshi SAKURAI, Satoshi NISHKAWA