Patents by Inventor Itaru Miyashita

Itaru Miyashita 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: 11917844
    Abstract: An organic EL element characterized by including a first electrode, a second electrode, and a first light-emitting layer, a second light-emitting layer, and a third light-emitting layer that are disposed between the first electrode and the second electrode, the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer each containing a host material and a light-emitting material, in which the first light-emitting layer is a light-emitting layer that emits red light and green light, the second light-emitting layer is a light-emitting layer that emits blue light, and the third light-emitting layer is a light-emitting layer that emits green light.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: February 27, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Itaru Takaya, Naoki Yamada, Takayuki Ito, Hirokazu Miyashita
  • Patent number: 9694027
    Abstract: The present invention provides pyrazole derivatives, uses thereof for medical purposes and so on. More particularly, the present invention relates to pharmaceuticals useful for the prevention or treatment of constipation, which comprise as an active ingredient 3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide, or a pharmaceutically acceptable salt thereof. The pharmaceuticals of the present invention exert an effect of increasing the frequency of bowel movement or the like, and are useful for the prevention or treatment of constipation.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: July 4, 2017
    Assignee: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Masayuki Isaji, Masaaki Takemura, Hidetoshi Isawa, Yukihiko Hotei, Itaru Miyashita
  • Publication number: 20160129031
    Abstract: The present invention provides pyrazole derivatives, uses thereof for medical purposes and so on. More particularly, the present invention relates to pharmaceuticals useful for the prevention or treatment of constipation, which comprise as an active ingredient 3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide, or a pharmaceutically acceptable salt thereof. The pharmaceuticals of the present invention exert an effect of increasing the frequency of bowel movement or the like, and are useful for the prevention or treatment of constipation.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Masayuki Isaji, Masaaki Takemura, Hidetoshi Isawa, Yukihiko Hotei, Itaru Miyashita
  • Patent number: 9273085
    Abstract: The present invention provides pyrazole derivatives, uses thereof for medical purposes and so on. More particularly, the present invention relates to pharmaceuticals useful for the prevention or treatment of constipation, which comprise as an active ingredient 3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide, or a pharmaceutically acceptable salt thereof. The pharmaceuticals of the present invention exert an effect of increasing the frequency of bowel movement or the like, and are useful for the prevention or treatment of constipation.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: March 1, 2016
    Assignee: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Masayuki Isaji, Masaaki Takemura, Hidetoshi Isawa, Yukihiko Hotei, Itaru Miyashita
  • Publication number: 20150141631
    Abstract: The present invention provides pyrazole derivatives, uses thereof for medical purposes and so on. More particularly, the present invention relates to pharmaceuticals useful for the prevention or treatment of constipation, which comprise as an active ingredient 3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide, or a pharmaceutically acceptable salt thereof. The pharmaceuticals of the present invention exert an effect of increasing the frequency of bowel movement or the like, and are useful for the prevention or treatment of constipation.
    Type: Application
    Filed: May 2, 2013
    Publication date: May 21, 2015
    Applicant: Kissei Pharmaceutical Co., Ltd.
    Inventors: Masayuki Isaji, Masaaki Takemura, Hidetoshi Isawa, Yukihiko Hotei, Itaru Miyashita