Patents by Inventor Keisi Hayashi

Keisi Hayashi 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).

  • PYRAZOLOPYRIMIDINE COMPOUND
    Publication number: 20100298557
    Abstract: Disclosed is a novel compound having Syk and/or Abl inhibitory activities, which is useful for prevention/treatment of allergic diseases, autoimmune diseases, arthritides and cancers. Specifically disclosed is a pyrazolopyrimidine compound represented by the formula [I] or [III] below, a tautomer thereof, a stereoisomer thereof, a pharmaceutically acceptable salt thereof, or a solvent of any of them.
    Type: Application
    Filed: December 28, 2007
    Publication date: November 25, 2010
    Applicant: Taisho Pharmaceutical Co., Ltd
    Inventors: Makoto Yagi, Hiroki Umemiya, Hajime Asanuma, Yusuke Oka, Rie Nishikawa, Keisi Hayashi, Takumi Okada, Takanori Shimizu, Shigetada Sasako