Patents by Inventor Yoichiro Hoshina

Yoichiro Hoshina 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).

  • 2-phenyl-3-heteroarylpropionic acid derivative or salt thereof and medicine containing the same
    Patent number: 7361679
    Abstract: The present invention relates to a 2-phenyl-3-heteroarylpropionic acid derivative or a salt thereof, and also relates to a pharmaceutical agent and a VLA-4 and/or LPAM-1 antagonist each of which contains the same as an active ingredient.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: April 22, 2008
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Satoru Ikegami, Yoichiro Hoshina
  • 2,3-Diphenylpropionic acid derivatives or their salts, medicines or cell adhesion inhibitors containing the same, and their usage
    Patent number: 7335673
    Abstract: A 2,3-diphenylpropionic acid derivatives or the salts represented by general formula (1) below; and pharmaceutical compositions and cell adhesion inhibitors comprising the derivatives or the salts as the active ingredient.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: February 26, 2008
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Yoichiro Hoshina, Satoru Ikegami, Akihiko Okuyama, Tatsuhiro Harada, Atsushi Matsuo
  • 2-phenyl-3-heteroarylpropionic acid derivative or salt thereof and medicine containing the same
    Publication number: 20040259908
    Abstract: The present invention relates to a 2-phenyl-3-heteroarylpropionic acid derivative or a salt thereof, and also relates to a pharmaceutical agent and a VLA-4 and/or LPAM-1 antagonist each of which contains the same as an active ingredient.
    Type: Application
    Filed: July 27, 2004
    Publication date: December 23, 2004
    Inventors: Satoru Ikegami, Yoichiro Hoshina
  • 2,3-Diphenylpropionic acid derivatives or their salts, medicines or cell adhesion inhibitors containing the same, and their usage
    Publication number: 20040072878
    Abstract: A 2,3-diphenylpropionic acid derivatives or the salts represented by general formula (1) below; and pharmaceutical compositions and cell adhesion inhibitors comprising the derivatives or the salts as the active ingredient. In the formula, A, B and C independently represents a hydrogen atom or a monovalent substituent; and X and X′ independently represents a hydrogen atom or a monovalent substituent.
    Type: Application
    Filed: August 19, 2003
    Publication date: April 15, 2004
    Inventors: Yoichiro Hoshina, Satoru Ikegami, Akihiko Okuyama, Tatsuhiro Harada, Atsushi Matsuo