Patents by Inventor Junji Igarashi

Junji Igarashi 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).

  • Pyrido[3,4-d]pyrimidine derivative and pharmaceutically acceptable salt thereof
    Patent number: 10124004
    Abstract: The purpose of the present invention is to provide a compound having an excellent CDK4/6 inhibiting activity. The present invention is a compound represented by general formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: November 13, 2018
    Assignee: Teijin Pharma Limited
    Inventors: Tsuyoshi Mizuno, Tomohiro Shimada, Gen Unoki, Masaru Ebisawa, Susumu Takeuchi, Kunio Minamizono, Kosuke Sasaki, Takuya Yokosaka, Junji Igarashi, Akinobu Maruyama, Hiroshi Takahashi, Kyohei Horie, Yuri Sakai
  • PYRIDO[3,4-D]PYRIMIDINE DERIVATIVE AND PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
    Publication number: 20180161329
    Abstract: The purpose of the present invention is to provide a compound having an excellent CDK4/6 inhibiting activity. The present invention is a compound represented by general formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 27, 2016
    Publication date: June 14, 2018
    Applicant: Teijin Pharma Limited
    Inventors: Tsuyoshi MIZUNO, Tomohiro SHIMADA, Gen UNOKI, Masaru EBISAWA, Susumu TAKEUCHI, Kunio MINAMIZONO, Kosuke SASAKI, Takuya YOKOSAKA, Junji IGARASHI, Akinobu MARUYAMA, Hiroshi TAKAHASHI, Kyohei HORIE, Yuri SAKAI
  • Quaternary ammonium salt compounds
    Patent number: 9072734
    Abstract: [Problem] The object of the present invention is to provide a novel compound having ?2 adrenergic receptor agonist activity and muscarinic receptor antagonist activity. [Means for Solving the Problem] The present invention is a quaternary ammonium salt compounds represented by formula (I), or a pharmaceutically acceptable salt thereof, with superior ?2 adrenergic receptor agonist activity and muscarinic receptor antagonist activity.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: July 7, 2015
    Assignee: Teijin Pharma Limited
    Inventors: Etsuko Mitsuyama, Takayuki Hara, Junji Igarashi, Hiroyuki Sugiyama, Satoshi Yamamura, Johji Nomura, Kei Segawa
  • QUATERNARY AMMONIUM SALT COMPOUNDS
    Publication number: 20120046467
    Abstract: [Problem] The object of the present invention is to provide a novel compound having 132 adrenergic receptor agonist activity and muscarinic receptor antagonist activity. [Means for Solving the Problem] The present invention is a quaternary ammonium salt compounds represented by formula (I), or a pharmaceutically acceptable salt thereof, with superior ?32 adrenergic receptor agonist activity and muscarinic receptor antagonist activity.
    Type: Application
    Filed: April 27, 2010
    Publication date: February 23, 2012
    Applicant: TEIJIN PHARMA LIMITED
    Inventors: Etsuko Mitsuyama, Takayuki Hara, Junji Igarashi, Hiroyuki Sugiyama, Satoshi Yamamura, Johji Nomura, Kei Segawa