Patents by Inventor Mitsuko Kawashima

Mitsuko Kawashima 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).

  • Heterocyclic compound and anti-malignant-tumor agent containing the same as active ingredient
    Patent number: 7855199
    Abstract: Heterocyclic compounds represented by the formula I and anti-malignant-tumor agents containing the heterocyclic compounds as effective components: wherein X represents nitrogen atom or CH; Y represents C1-C6 alkyl; R1 represents morpholino (which may be substituted with one to four C1-C6 alkyl); and R2 and R3 each represent hydrogen atom or C1-C6 alkyl.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: December 21, 2010
    Assignee: Zenyaku Kogyo Kabushiki Kaisha
    Inventors: Seiichiro Kawashima, Mitsuko Kawashima, legal representative, Hiroto Kawashima, legal representative, Masato Kawashima, legal representative, Toshiyuki Matsuno, Shinichi Yaguchi, Yoshio Tsuchida, Kenichi Saitoh, Tetsuo Watanabe
  • Heterocyclic Compound and Anti-Malignant-Tumor Agent Containing the Same as Active Ingredient
    Publication number: 20080287431
    Abstract: Heterocyclic compounds represented by the formula I and anti-malignant-tumor agents containing the heterocyclic compounds as effective components: wherein X represents nitrogen atom or CH; Y represents C1-C6 alkyl; R1 represents morpholino (which may be substituted with one to four C1-C6 alkyl); and R2 and R3 each represent hydrogen atom or C1-C6 alkyl.
    Type: Application
    Filed: March 30, 2005
    Publication date: November 20, 2008
    Applicant: ZENYAKU KOGYO KABUSHIKI KAISHA
    Inventors: Seiichiro Kawashima, Mitsuko Kawashima, Hiroto Kawashima, Masato Kawashima, Toshiyuki Matsuno, Shinichi Yaguchi, Yoshio Tsuchida, Kenichi Saitoh, Tetsuo Watanabe