Patents by Inventor Takako Okumura
Takako Okumura 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).
-
Publication number: 20170253595Abstract: This invention provides a medicament for the treatment of cancer, which cause a reduction of cancer. This invention relates to use of a compound which has inhibitory activities against prostaglandin E2 receptor (EP4 receptor) and is represented by the following general formula (I), (II), (III), or (VI) or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt for the manufacture of a medicament for the treatment of cancer. The invention relates to a method for treatment of cancer comprising administering the compound or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt to humans or animals. The compound or a pharmaceutically acceptable salt thereof, or the pharmaceutical composition may be used in combination with one or more second active agents.Type: ApplicationFiled: May 23, 2017Publication date: September 7, 2017Applicant: AskAt Inc.Inventors: Yukinori TAKE, Shinichi KOIZUMI, Takako OKUMURA, Kazuhiko NONOMURA
-
Patent number: 9688674Abstract: This invention provides a medicament for the treatment of cancer, which cause a reduction of cancer. This invention relates to use of a compound which has inhibitory activities against prostaglandin E2 receptor (EP4 receptor) and is represented by the following general formula (I), (II), (III), or (IV), or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt for the manufacture of a medicament for the treatment of cancer. The invention relates to a method for treatment of cancer comprising administering the compound or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt to humans or animals. The compound or a pharmaceutically acceptable salt thereof, or the pharmaceutical composition may be used in combination with one or more second active agents.Type: GrantFiled: November 19, 2014Date of Patent: June 27, 2017Assignee: AskAt Inc.Inventors: Yukinori Take, Shinichi Koizumi, Takako Okumura, Kazuhiko Nonomura
-
Patent number: 9561210Abstract: The purpose of this invention is to provide a compound for preventing or treating an ocular disease and a pharmaceutical composition comprising the same. This invention provides a pharmaceutical composition comprising a compound as defined by the formula (I?) or a pharmaceutically acceptable salt thereof. The pharmaceutical composition is useful for preventing or treating an ocular disease such as retinochoroidal degeneration.Type: GrantFiled: March 31, 2014Date of Patent: February 7, 2017Assignee: AskAt Inc.Inventors: Takako Okumura, Shinichi Koizumi, Hideaki Hara
-
Publication number: 20160317514Abstract: This invention relates to a compound with EP4 antagonistic activity, or a pharmaceutically acceptable salt with EP4 receptor antagonistic activities, which is useful in the treatment of cartilage disease. This invention also relates to a compound of formula (I), (II), (III), (IV), (Va) or (Vb), or a pharmaceutically acceptable salt thereof with EP4 receptor antagonistic activities, which is useful in the treatment of cartilage disease. This invention also relates to a pharmaceutical composition for the treatment of cartilage disease which comprises a therapeutically effective amount of a compound of formula (I), (II), (III), (IV), (Va) or (Vb), or a pharmaceutically acceptable salt thereof. Further this invention relates to a method for the treatment of cartilage disease in an animal subject including a mammalian subject, which comprises administering to the animal subject including a mammalian subject a compound of the formula (I), (II), (IV), (Va) or (Vb), or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: March 19, 2014Publication date: November 3, 2016Applicant: AskAt Inc.Inventor: Takako OKUMURA
-
Patent number: 9457084Abstract: This invention relates to a compound with EP4 antagonistic activity, or a pharmaceutically acceptable salt with EP4 receptor antagonistic activities, which is useful in the treatment of immune disease or allergy. This invention also relates to a compound of formula (I), (II), (III), (IV), (Va) or (Vb), or a pharmaceutically acceptable salt thereof with EP4 receptor antagonistic activities, which is useful in the treatment of immune disease or allergy. This invention also relates to a pharmaceutical composition for the treatment of immune disease or allergy which comprises a therapeutically effective amount of a compound of formula (I), (II), (III), (IV), (Va) or (Vb), or a pharmaceutically acceptable salt thereof.Type: GrantFiled: February 22, 2011Date of Patent: October 4, 2016Assignee: RAQUALIA PHARMA INC.Inventors: Kiyoshi Kanazawa, Kazuhiko Nonomura, Takako Okumura, Shinichi Koizumi
-
Patent number: 9447066Abstract: This invention relates to salts and crystal forms of (S)-6-chloro-7-(1,1-dimethylethyl)-2-trifluoromethyl-2H-1-benzopyran-3-carboxylic acid, Compound A, which is cyclooxygenase-2 inhibitor. The present invention provides a salt of compound A, a crystal form thereof, a process for preparing the said salt and a pharmaceutical composition thereof and its use. The salts and/or co-crystals of Compound A of the present invention show good formulation properties such as high aqueous solubility, good intrinsic dissolution, good crystallinity, good thermal stability or low hygroscopicity.Type: GrantFiled: January 6, 2014Date of Patent: September 20, 2016Assignee: AskAt Inc.Inventors: Yoshiyuki Okumura, Yasuhiro Iwata, Toyoharu Numata, Masaki Sudo, Takako Okumura
-
Publication number: 20160008317Abstract: The purpose of this invention is to provide a compound for preventing or treating an ocular disease and a pharmaceutical composition comprising the same. This invention provides a pharmaceutical composition comprising a compound as defined by the formula (I?) or a pharmaceutically acceptable salt thereof. The pharmaceutical composition is useful for preventing or treating an ocular disease such as retinochoroidal degeneration.Type: ApplicationFiled: March 31, 2014Publication date: January 14, 2016Applicant: AskAt Inc.Inventors: Takako OKUMURA, Shinichi KOIZUMI, Hideaki HARA
-
Publication number: 20150353520Abstract: This invention relates to salts and crystal forms of (S)-6-chloro-7-(1,1-dimethylethyl)-2-trifluoromethyl-2H-1-benzopyran-3-carboxylic acid, Compound A, which is cyclooxygenase-2 inhibitor. The present invention provides a salt of compound A, a crystal form thereof, a process for preparing the said salt and a pharmaceutical composition thereof and its use. The salts and/or co-crystals of Compound A of the present invention show good formulation properties such as high aqueous solubility, good intrinsic dissolution, good crystallinity, good thermal stability or low hygroscopicity.Type: ApplicationFiled: January 6, 2014Publication date: December 10, 2015Applicant: AskAt Inc.Inventors: Yoshiyuki OKUMURA, Yasuhiro IWATA, Toyoharu NUMATA, Masaki SUDO, Takako OKUMURA
-
Publication number: 20150111920Abstract: This invention provides a medicament for the treatment of cancer, which cause a reduction of cancer. This invention relates to use of a compound which has inhibitory activities against prostaglandin E2 receptor (EP4 receptor) and is represented by the following general formula (I), (II), (III), or (IV), or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt for the manufacture of a medicament for the treatment of cancer. The invention relates to a method for treatment of cancer comprising administering the compound or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt to humans or animals. The compound or a pharmaceutically acceptable salt thereof, or the pharmaceutical composition may be used in combination with one or more second active agents.Type: ApplicationFiled: November 19, 2014Publication date: April 23, 2015Inventors: Yukinori TAKE, Shinichi KOIZUMI, Takako OKUMURA, Kazuhiko NONOMURA
-
Patent number: 8921391Abstract: This invention provides a medicament for the treatment of cancer, which cause a reduction of cancer. This invention relates to use of a compound which has inhibitory activities against prostaglandin E2 receptor (EP4 receptor) and is represented by the following general formula (I), (II), (III), or (IV), or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt for the manufacture of a medicament for the treatment of cancer. The invention relates to a method for treatment of cancer comprising administering the compound or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt to humans or animals. The compound or a pharmaceutically acceptable salt thereof, or the pharmaceutical composition may be used in combination with one or more second active agents.Type: GrantFiled: April 22, 2010Date of Patent: December 30, 2014Assignee: RaQualia Pharma Inc.Inventors: Yukinori Take, Shinichi Koizumi, Takako Okumura, Kazuhiko Nonomura
-
Publication number: 20120316197Abstract: This invention relates to a compound with EP4 antagonistic activity, or a pharmaceutically acceptable salt with EP4 receptor antagonistic activities, which is useful in the treatment of immune disease or allergy. This invention also relates to a compound of formula (I), (II), (III), (IV), (Va) or (Vb), or a pharmaceutically acceptable salt thereof with EP4 receptor antagonistic activities, which is useful in the treatment of immune disease or allergy. This invention also relates to a pharmaceutical composition for the treatment of immune disease or allergy which comprises a therapeutically effective amount of a compound of formula (I), (II), (III), (IV), (Va) or (Vb), or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: February 22, 2011Publication date: December 13, 2012Applicant: RAQUALIA PHARMA INC.Inventors: Kiyoshi Kanazawa, Kazuhiko Nonomura, Takako Okumura, Shinichi Koizumi
-
Publication number: 20120088723Abstract: This invention provides a medicament for the treatment of cancer, which cause a reduction of cancer. This invention relates to use of a compound which has inhibitory activities against prostaglandin E2 receptor (EP4 receptor) and is represented by the following general formula (I), (II), (III), or (IV), or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt for the manufacture of a medicament for the treatment of cancer. The invention relates to a method for treatment of cancer comprising administering the compound or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt to humans or animals. The compound or a pharmaceutically acceptable salt thereof, or the pharmaceutical composition may be used in combination with one or more second active agents.Type: ApplicationFiled: April 22, 2010Publication date: April 12, 2012Applicant: RAQUALIA PHARMA INC.Inventors: Yukinori Take, Shinichi Koizumi, Takako Okumura, Kazuhiko Nonomura
-
Publication number: 20020077329Abstract: The invention features a method of treating rheumatoid arthritis in a mammal comprising administering an agent that inhibits prostaglandin EP4 receptor (EP4) activity. Also featured is a method of identifying agents that selectively inhibit EP4 activity in vivo.Type: ApplicationFiled: October 15, 2001Publication date: June 20, 2002Inventors: Laurent Audoly, Takako Okumura, Masato Shimojo