Patents by Inventor Mami Okada

Mami Okada 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).

  • Pyridylisoxazole derivatives
    Patent number: 8207203
    Abstract: This invention offers isoxazole derivatives represented by the following formula (I) in which R1 and R2 each stands for hydrogen, lower alkyl, amino and the like; R3 stands for substituted or unsubstituted aryl or hetero aryl; R4 stands for hydrogen or lower alkyl; R5 stands for substituted or unsubstituted phenyl, furyl and the like; and Y stands for —CH2—, —CO—, —O—, —NH— and the like, or pharmaceutically acceptable salts thereof which exhibit excellent p38MAPkinase-inhibiting action with reduced side-effects, and are useful for treating such diseases as chronic rheumatoid arthritis, ulcerative colitis and the like.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: June 26, 2012
    Assignee: Aska Pharmaceutical Co., Ltd.
    Inventors: Koichi Hasumi, Shuji Ohta, Takahisa Saito, Shuichiro Sato, Jun-ya Kato, Jun Sato, Hiroyuki Suzuki, Hajime Asano, Mami Okada, Yasuhiro Matsumoto, Kazuhiko Shirota
  • Pyrimidinylisoxazole derivatives
    Patent number: 7939536
    Abstract: The invention discloses isoxazole derivatives represented by a formula, in which R1 stands for hydrogen, lower alkyl, amino, halogen, lower alkoxy and the like, R2 stands for substituted or unsubstituted aryl and the like, R3 stands for hydrogen or lower alkyl, R4 stands for substituted or unsubstituted phenyl and the like, and Y stands for —CH2—, —CO—, —CH(CH3)—, —O—, —NH— and the like, or pharmaceutically acceptable salts thereof, which have excellent p38MAPkinase inhibitory action.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: May 10, 2011
    Assignee: Aska Pharmaceutical Co., Ltd.
    Inventors: Koichi Hasumi, Shuji Ohta, Takahisa Saito, Shuichiro Sato, Jun-ya Kato, Jun Sato, Hiroyuki Suzuki, Hajime Asano, Mami Okada, Yasuhiro Matsumoto, Kazuhiko Shirota
  • Pyridylisoxazole Derivatives
    Publication number: 20090306145
    Abstract: This invention offers isoxazole derivatives represented by the following formula (I) in which R1 and R2 each stands for hydrogen, lower alkyl, amino and the like; R3 stands for substituted or unsubstituted aryl or hetero aryl; R4 stands for hydrogen or lower alkyl; R5 stands for substituted or unsubstituted phenyl, furyl and the like; and Y stands for —CH2—, —CO—, —O—, —NH— and the like, or pharmaceutically acceptable salts thereof which exhibit excellent p38MAPkinase-inhibiting action with reduced side-effects, and are useful for treating such diseases as chronic rheumatoid arthritis, ulcerative colitis and the like.
    Type: Application
    Filed: June 26, 2007
    Publication date: December 10, 2009
    Inventors: Koichi Hasumi, Shuji Ohta, Takahisa Saito, Shuichiro Sato, Jun-ya Kato, Jun Sato, Hiroyuki Suzuki, Hajime Asano, Mami Okada, Yasuhiro Matsumoto, Kazuhiko Shirota
  • Treating agent of inflammatory bowel disease
    Publication number: 20090192164
    Abstract: The invention discloses treating agents of inflammatory bowel disease, which contain p38MAPkinase inhibitor having properties of antedrug as the active ingredient.
    Type: Application
    Filed: June 26, 2007
    Publication date: July 30, 2009
    Applicant: ASKA Pharmaceutical Co., Ltd.
    Inventors: Koichi Hasumi, Shuji Ohta, Takahisa Saito, Shuichiro Sato, Jun-ya Kato, Jun Sato, Hiroyuki Suzuki, Hajime Asano, Mami Okada, Yasuhiro Matsumoto, Kazuhiko Shirota
  • Pyrimidinylisoxazole Derivatives
    Publication number: 20080114003
    Abstract: The invention discloses isoxazole derivatives represented by a formula, in which R1 stands for hydrogen, lower alkyl, amino, halogen, lower alkoxy and the like, R2 stands for substituted or unsubstituted aryl and the like, R3 stands for hydrogen or lower alkyl, R4 stands for substituted or unsubstituted phenyl and the like, and Y stands for —CH2—, —CO—, —CH(CH3)—, —O—, —NH— and the like, or pharmaceutically acceptable salts thereof, which have excellent p38MAPkinase inhibitory action.
    Type: Application
    Filed: December 27, 2005
    Publication date: May 15, 2008
    Inventors: Koichi Hasumi, Shuji Ohta, Takahisa Saito, Shuichiro Sato, Junya Kato, Jun Sato, Hiroyuki Suzuki, Hajime Asano, Mami Okada, Yasuhiro Matsumoto, Kazuhiko Shirota