Patents by Inventor Keitarou ONO

Keitarou ONO 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: 10428180
    Abstract: The present invention relates to a polyamide resin comprising a unit derived from ?-caprolactam and/or ?-aminocaproic acid (to also be referred to as “Unit 1”), a unit derived from adipic acid (to also be referred to as “Unit 2”) and a unit derived from hexamethylenediamine (to also be referred to as “Unit 3”), wherein the concentration of terminal amino groups in the polyamide resin is greater than the concentration of terminal carboxyl groups in the polyamide resin, and the amount of Unit 1 is greater than 60% by weight to less than 80% by weight of the total amount of Unit 1, Unit 2 and Unit 3.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: October 1, 2019
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Hideo Sano, Keitarou Ono, Atsushi Yamashita
  • Publication number: 20170198094
    Abstract: The present invention relates to a polyamide resin comprising a unit derived from ?-caprolactam and/or ?-aminocaproic acid (to also be referred to as “Unit 1”), a unit derived from adipic acid (to also be referred to as “Unit 2”) and a unit derived from hexamethylenediamine (to also be referred to as “Unit 3”), wherein the concentration of terminal amino groups in the polyamide resin is greater than the concentration of terminal carboxyl groups in the polyamide resin, and the amount of Unit 1 is greater than 60% by weight to less than 80% by weight of the total amount of Unit 1, Unit 2 and Unit 3.
    Type: Application
    Filed: June 2, 2015
    Publication date: July 13, 2017
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Hideo SANO, Keitarou ONO, Atsushi YAMASHITA