Patents by Inventor Shohei AIKAWA

Shohei AIKAWA 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).

  • Solid dosage form containing quinazoline derivative
    Patent number: 10953016
    Abstract: The present invention provides a formulation containing the compound represented by formula (I) or a pharmaceutically acceptable salt thereof, or their crystals, with a light-stabilizing substance and a polymer, particularly with one or more of titanium oxide and talc used as the light-stabilizing substance, and hypromellose used as the polymer, which hardly increase the amount of the related substances, and the formulation is hardly colored under light irradiation.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: March 23, 2021
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Reiji Yokoyama, Satoshi Sakuma, Shohei Aikawa, Hironori Tanaka
  • PHARMACEUTICAL PREPARATION EXCELLENT IN LIGHT STABILITY AND DISSOLUTION PROPERTY
    Publication number: 20200375998
    Abstract: The present invention provides a preparation that is minimally colored through irradiation with light by coating a preparation containing a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, or a crystal thereof with a light stabilizing substance and a polymer, particularly with one or more of titanium oxide and talc used as the light stabilizing substance and hypromellose used as the polymer.
    Type: Application
    Filed: November 15, 2018
    Publication date: December 3, 2020
    Applicant: Shionogi & Co., Ltd.
    Inventors: Naomi HAYASHI, Masato GOMI, Shohei AIKAWA
  • Heating tool
    Patent number: 10677452
    Abstract: A heating tool (100) according to the present invention includes a steam generator (10) that a heat generating layer (11) which contains an oxidizable metal, a carbon component, a water absorbent polymer, and water, and a water absorbent sheet (102) which carries water are laminated, and a bag (20) at least a portion of which has an air permeability and accommodates the steam generator (10), in which a mass ratio of the water absorbent sheet (102) is equal to or greater than 0.9 and equal to or less than 15 with respect to the water absorbent polymer contained in the heat generating layer (11).
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: June 9, 2020
    Assignee: KAO CORPORATION
    Inventors: Shohei Aikawa, Youichi Endo
  • SOLID DOSAGE FORM CONTAINING QUINAZOLINE DERIVATIVE
    Publication number: 20190365773
    Abstract: The present invention provides a formulation containing the compound represented by formula (I) or a pharmaceutically acceptable salt thereof, or their crystals, with a light-stabilizing substance and a polymer, particularly with one or more of titanium oxide and talc used as the light-stabilizing substance, and hypromellose used as the polymer, which hardly increase the amount of the related substances, and the formulation is hardly colored under light irradiation.
    Type: Application
    Filed: January 29, 2018
    Publication date: December 5, 2019
    Applicant: Shionogi & Co., Ltd.
    Inventors: Reiji YOKOYAMA, Satoshi SAKUMA, Shohei AIKAWA, Hironori TANAKA
  • HEATING TOOL
    Publication number: 20180209637
    Abstract: A heating tool (100) according to the present invention includes a steam generator (10) that a heat generating layer (11) which contains an oxidizable metal, a carbon component, a water absorbent polymer, and water, and a water absorbent sheet (102) which carries water are laminated, and a bag (20) at least a portion of which has an air permeability and accommodates the steam generator (10), in which a mass ratio of the water absorbent sheet (102) is equal to or greater than 0.9 and equal to or less than 15 with respect to the water absorbent polymer contained in the heat generating layer (11).
    Type: Application
    Filed: July 21, 2016
    Publication date: July 26, 2018
    Applicant: KAO CORPORATION
    Inventors: Shohei AIKAWA, Youichi ENDO