Patents by Inventor Yusuke TAKIGAMI

Yusuke TAKIGAMI 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: 20230255907
    Abstract: The present invention addresses the problem of providing a tablet that contains a high concentration of acetaminophen, satisfies an acetaminophen dissolution rate from the tablet of at least 80% in 15 minutes, and can be manufactured by dry direct compression. The present invention provides a tablet including: acetaminophen that has a median particle diameter in a range from 100 to 350 µm; crystalline cellulose that has a bulk density in a range from 0.10 to 0.23 g/cm3; and at least two types of disintegrants. The at least two types of disintegrants are (a) at least one disintegrant selected from the group consisting of crospovidone, croscarmellose sodium, and sodium starch glycolate, and (b) a disintegrant that is a low-substituted hydroxypropyl cellulose. The acetaminophen content per tablet is at least 86 weight%.
    Type: Application
    Filed: July 2, 2021
    Publication date: August 17, 2023
    Applicant: AYUMI PHARMACEUTICAL CORPORATION
    Inventors: Miki YAMASHITA, Yusuke TAKIGAMI
  • Patent number: 10524468
    Abstract: The present invention relates to a microcapsule suspension containing (1) an oil core compound having a pesticide active agent dispersed in an oil compound, (2) an aqueous solution containing a polycationic colloid and a polyanionic colloid in a ratio that the polycationic colloid is from 0.02 to 1% by weight and the polyanionic colloid is from 0.02 to 2% by weight, and (3) a pH adjuster.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: January 7, 2020
    Assignee: ISHIHARA SANGYO KAISHA, LTD.
    Inventors: Yutaka Ishibashi, Yusuke Takigami
  • Publication number: 20180139956
    Abstract: The present invention relates to a microcapsule suspension containing (1) an oil core compound having a pesticide active agent dispersed in an oil compound, (2) an aqueous solution containing a polycationic colloid and a polyanionic colloid in a ratio that the polycationic colloid is from 0.02 to 1% by weight and the polyanionic colloid is from 0.02 to 2% by weight, and (3) a pH adjuster.
    Type: Application
    Filed: May 20, 2016
    Publication date: May 24, 2018
    Applicant: ISHIHARA SANGYO KAISHA, LTD.
    Inventors: Yutaka ISHIBASHI, Yusuke TAKIGAMI