Patents by Inventor Yuusuki Tamura

Yuusuki Tamura 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).

  • AMINODIHYDROTHIAZINE DERIVATIVES SUBSTITUTED WITH A CYCLIC GROUP
    Publication number: 20140073815
    Abstract: This invention provides a compound of the formula (I): wherein the ring A is an optionally substituted carbocyclic group or an optionally substituted heterocyclic group; R1 is optionally substituted lower alkyl, optionally substituted lower alkenyl, optionally substituted lower alkynyl; R2a and R2b are each independently hydrogen, optionally substituted lower alkyl or optionally substituted acyl; R3a, R3b, R3c and R3d are each independently hydrogen, halogen, hydroxy or optionally substituted lower alkyl etc.; a pharmaceutically acceptable salt or solvate thereof, which is useful for treating diseases induced by production, secretion and/or deposition of amyloid ? protein.
    Type: Application
    Filed: May 6, 2013
    Publication date: March 13, 2014
    Applicant: SHIONOGI & CO., LTD.
    Inventors: Yuusuki TAMURA, Shinji SUZUKI, Yukio TADA, Shuji YONEZAWA, Chiaki FUJIKOSHI, Sae MATSUMOTO, Yuuji KOORIYAMA, Tatsuhiko UENO
  • Aminodihydrothiazine derivatives substituted with a cyclic group
    Patent number: 8541408
    Abstract: This invention provides a compound of the formula (I): wherein the ring A is an optionally substituted carbocyclic group or an optionally substituted heterocyclic group; R1 is optionally substituted lower alkyl, optionally substituted lower alkenyl, optionally substituted lower alkynyl; R2a and R2b are each independently hydrogen, optionally substituted lower alkyl or optionally substituted acyl; R3a, R3b, R3c and R3d are each independently hydrogen, halogen, hydroxy or optionally substituted lower alkyl etc.; a pharmaceutically acceptable salt or solvate thereof, which is useful for treating diseases induced by production, secretion and/or deposition of amyloid ? protein.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: September 24, 2013
    Assignee: Shionogi & Co., Ltd.
    Inventors: Yuusuki Tamura, Shinji Suzuki, Yukio Tada, Chiaki Fujikoshi, Sae Matsumoto, Yuuji Kooriyama
  • Aminodihydrothiazine derivatives substituted with a cyclic group
    Patent number: 8507479
    Abstract: This invention provides a compound of the formula (I): wherein the ring A is an optionally substituted carbocyclic group or an optionally substituted heterocyclic group; R1 is optionally substituted lower alkyl, optionally substituted lower alkenyl, optionally substituted lower alkynyl; R2a and R2b are each independently hydrogen, optionally substituted lower alkyl or optionally substituted acyl; R3a, R3b, R3c and R3d are each independently hydrogen, halogen, hydroxy or optionally substituted lower alkyl etc.; a pharmaceutically acceptable salt or solvate thereof, which is useful for treating diseases induced by production, secretion and/or deposition of amyloid ? protein.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: August 13, 2013
    Assignee: Shionogi & Co., Ltd.
    Inventors: Yuusuki Tamura, Shinji Suzuki, Yukio Tada, Chiaki Fujikoshi, Sae Matsumoto, Yuuji Kooriyama