Patents by Inventor Ayumu Sato

Ayumu Sato 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: 20110039892
    Abstract: The present invention aims to provide a compound having a superior selective ?1D adrenergic receptor antagonistic action and useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula (I) wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: April 21, 2009
    Publication date: February 17, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato Yoshida, Yasuhisa Kohara, Nobuki Sakauchi, Ayumu Sato
  • Publication number: 20110039846
    Abstract: The present invention aims to provide an iminopyridine derivative compound having an ?1D adrenergic receptor antagonistic action, which is useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: April 22, 2009
    Publication date: February 17, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato Yoshida, Nobuki Sakauchi, Ayumu Sato
  • Publication number: 20110034464
    Abstract: The present invention aims to provide an iminopyridine derivative compound having an ?1D adrenergic receptor antagonistic action, which is useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: October 7, 2010
    Publication date: February 10, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato YOSHIDA, Nobuki Sakauchi, Ayumu Sato
  • Publication number: 20100283049
    Abstract: Provided is an oxide semiconductor device including an oxide semiconductor layer and an insulating layer coming into contact with the oxide semiconductor layer in which the insulating layer includes: a first insulating layer coming into contact with an oxide semiconductor, having a thickness of 50 nm or more, and including an oxide containing Si and O; a second insulating layer coming into contact with the first insulating layer, having a thickness of 50 nm or more, and including a nitride containing Si and N; and a third insulating layer coming into contact with the second insulating layer, the first insulating layer and the second insulating layer having hydrogen contents of 4×1021 atoms/cm3 or less, and the third insulating layer having a hydrogen content of more than 4×1021 atoms/cm3.
    Type: Application
    Filed: November 27, 2008
    Publication date: November 11, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Ayumu Sato, Ryo Hayashi, Hisato Yabuta, Tomohiro Watanabe
  • Publication number: 20090270393
    Abstract: The present invention aims to provide an iminopyridine derivative compound having an ?1D adrenergic receptor antagonistic action, which is useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: April 22, 2009
    Publication date: October 29, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: MASATO YOSHIDA, NOBUKI SAKAUCHI, AYUMU SATO