Patents by Inventor Rie ICHIKAWA

Rie ICHIKAWA 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).

  • Pyrrolopyrazole derivative
    Patent number: 12240855
    Abstract: The present invention provides a low molecular compound that inhibits phosphatidylserine synthase 1 or a pharmaceutically acceptable salt thereof, a pharmaceutical containing thereof, and a therapeutic agent for cancer having a suppressed function of phosphatidylserine synthase 2. The compound represented by formula (1) or a pharmaceutically acceptable salt thereof, wherein R1, ring Q1, ring Q2, and W are as defined in the specification.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: March 4, 2025
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hidenori Namiki, Masanori Saitou, Satoshi Matsui, Yoshihiro Shibata, Yoshito Kawamoto, Rie Ichikawa, Yohei Yoshihama, Akiko Otsuka
  • PYRROLOPYRAZOLE DERIVATIVE
    Publication number: 20220185815
    Abstract: The present invention provides a low molecular compound that inhibits phosphatidylserine synthase 1 or a pharmaceutically acceptable salt thereof, a pharmaceutical containing thereof, and a therapeutic agent for cancer having a suppressed function of phosphatidylserine synthase 2. The compound represented by formula (1) or a pharmaceutically acceptable salt thereof, wherein R1, ring Q1, ring Q2, and W are as defined in the specification.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 16, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hidenori NAMIKI, Masanori SAITOU, Satoshi MATSUI, Yoshihiro SHIBATA, Yoshito KAWAMOTO, Rie ICHIKAWA, Yohei YOSHIHAMA, Akiko OTSUKA