Patents by Inventor Masayoshi Ohkuro
Masayoshi Ohkuro 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: 20090156589Abstract: A compound represented by the following general formula (1) or (100), a salt thereof or a hydrate of the foregoing has excellent cell adhesion inhibitory action and cell infiltration inhibitory action. wherein R10 represents 5- to 10-membered cycloalkyl etc. optionally substituted with hydroxyl etc., R30, R31 and R32 may be the same or different and each represents hydrogen etc., R40 represents C1-10 alkyl etc. optionally substituted with hydroxyl etc., n represents an integer of 0, 1 or 2, X1 represents CH or nitrogen, and R20, R21, R22 and R23 may be the same or different and each represents hydrogen etc.Type: ApplicationFiled: June 14, 2006Publication date: June 18, 2009Applicant: EISAI R&D MANAGEMENT CO., LTD.Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
-
Patent number: 7425554Abstract: In one aspect, the present invention provides compounds having formula (1) or (100), a salt thereof or a hydrate of the foregoing, which compounds exhibit excellent cell adhesion inhibitory action or cell infiltration inhibitory action, and are useful as therapeutic or prophylactic agents for various inflammatory diseases and autoimmune diseases associated with adhesion and infiltration of leukocytes, such as inflammatory bowel disease (particularly ulcerative colitis or Crohn's disease), irritable bowel syndrome; rheumatoid arthritis, psoriasis, multiple sclerosis, asthma and atopic dermatitis. wherein R10 represents optionally substituted cycloalkyl, etc., R20-23 represent hydrogen, alkyl, alkoxy, etc., R30-32 represent hydrogen, alkyl, oxo, etc., and R40 represents optionally substituted alkyl, etc.Type: GrantFiled: December 27, 2004Date of Patent: September 16, 2008Assignee: Eisai R&D Management Co., Ltd.Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
-
Patent number: 7410971Abstract: A compound represented by the following general formula (1) or (100), a salt thereof or a hydrate of the foregoing has excellent cell adhesion inhibitory action or cell infiltration inhibitory action, and is useful as a therapeutic or prophylactic agent for various inflammatory diseases and autoimmune diseases associated with adhesion and infiltration of leukocytes, such as inflammatory bowel disease (particularly ulcerative colitis or Crohn's disease), irritable bowel syndrome, rheumatoid arthritis, psoriasis, multiple sclerosis, asthma and atopic dermatitis. wherein R10 represents optionally substituted cycloalkyl, etc., R20-23 represent hydrogen, alkyl, alkoxy, etc., R30-32 represent hydrogen, alkyl, oxo, etc., and R40 represents optionally substituted alkyl, etc.Type: GrantFiled: December 24, 2004Date of Patent: August 12, 2008Assignee: Eisai R&D Management Co., Ltd.Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
-
Publication number: 20070112002Abstract: A compound represented by the following general formula (1) or (100), a salt thereof or a hydrate of the foregoing has excellent cell adhesion inhibitory action or cell infiltration inhibitory action, and is useful as a therapeutic or prophylactic agent for various inflammatory diseases and autoimmune diseases associated with adhesion and infiltration of leukocytes, such as inflammatory bowel disease (particularly ulcerative colitis or Crohn's disease), irritable bowel syndrome, rheumatoid arthritis, psoriasis, multiple sclerosis, asthma and atopic dermatitis. wherein R10 represents optionally substituted cycloalkyl, etc., R20-23 represent hydrogen, alkyl, alkoxy, etc., R30-32 represent hydrogen, alkyl, oxo, etc., and R40 represents optionally substituted alkyl, etc.Type: ApplicationFiled: December 24, 2004Publication date: May 17, 2007Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
-
Publication number: 20060281747Abstract: A compound represented by the following general formula (1) or (100), a salt thereof or a hydrate of the foregoing has excellent cell adhesion inhibitory action and cell infiltration inhibitory action. wherein R10 represents 5- to 10-membered cycloalkyl etc. optionally substituted with hydroxyl etc., R30, R31 and R32 may be the same or different and each represents hydrogen etc., R40 represents C1-10 alkyl etc. optionally substituted with hydroxyl etc., n represents an integer of 0, 1 or 2, X1 represents CH or nitrogen, and R20, R21, R22 and R23 may be the same or different and each represents hydrogen etc.Type: ApplicationFiled: June 14, 2006Publication date: December 14, 2006Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
-
Publication number: 20060276465Abstract: A compound represented by the following general formula (1) or (100), a salt thereof or a hydrate of the foregoing has excellent cell adhesion inhibitory action or cell infiltration inhibitory action, and is useful as a therapeutic or prophylactic agent for various inflammatory diseases and autoimmune diseases associated with adhesion and infiltration of leukocytes, such as inflammatory bowel disease (particularly ulcerative colitis or Crohn's disease), irritable bowel syndrome, rheumatoid arthritis, psoriasis, multiple sclerosis, asthma and atopic dermatitis. wherein R10 represents optionally substituted cycloalkyl, etc., R20-23 represent hydrogen, alkyl, alkoxy, etc., R30-32 represent hydrogen, alkyl, oxo, etc., and R40 represents optionally substituted alkyl, etc.Type: ApplicationFiled: June 23, 2006Publication date: December 7, 2006Applicant: Eisai R&D Management Co., Ltd.Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
-
Publication number: 20050261291Abstract: In one aspect, the present invention provides compounds having formula (1) or (100), a salt thereof or a hydrate of the foregoing, which compounds exhibit excellent cell adhesion inhibitory action or cell infiltration inhibitory action, and are useful as therapeutic or prophylactic agents for various inflammatory diseases and autoimmune diseases associated with adhesion and infiltration of leukocytes, such as inflammatory bowel disease (particularly ulcerative colitis or Crohn's disease), irritable bowel syndrome; rheumatoid arthritis, psoriasis, multiple sclerosis, asthma and atopic dermatitis. wherein R10 represents optionally substituted cycloalkyl, etc., R20-23 represent hydrogen, alkyl, alkoxy, etc., R30-32 represent hydrogen, alkyl, oxo, etc., and R40 represents optionally substituted alkyl, etc.Type: ApplicationFiled: December 27, 2004Publication date: November 24, 2005Inventors: Tetsuya Kawahara, Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro
-
Publication number: 20040092737Abstract: Benzopiperidine derivatives represented by formula (I), salts thereof or hydrates thereof, processes for producing the same and drugs comprising the same: 1Type: ApplicationFiled: September 20, 2002Publication date: May 13, 2004Applicant: Eisai Co., Ltd.Inventors: Toshihiko Kaneko, Richard Clark, Norihito Ohi, Fumihiro Ozaki, Tetsuya Kawahara, Atsushi Kamada, Kazuo Okano, Hiromitsu Yokohama, Kenzo Muramoto, Tohru Arai, Masayoshi Ohkuro, Osamu Takenaka, Jiro Sonoda
-
Patent number: 6518423Abstract: Benzopiperidine derivatives represented by formula (I), salts thereof or hydrates thereof, processes for producing the same and drugs comprising the same: wherein the variables are as described in the specification. These compounds are useful as drugs efficacious in the prevention and treatment of these various inflammatory diseases and immunologic diseases, such as rheumatoid arthritis, atopic dermatitis, psoriasis, asthma, and rejection reaction accompanying organ transplantation.Type: GrantFiled: April 5, 1999Date of Patent: February 11, 2003Assignee: Eisai Co., Ltd.Inventors: Toshihiko Kaneko, Richard Clark, Norihito Ohi, Fumihiro Ozaki, Tetsuya Kawahara, Atsushi Kamada, Kazuo Okano, Hiromitsu Yokohama, Kenzo Muramoto, Tohru Arai, Masayoshi Ohkuro, Osamu Takenaka, Jiro Sonoda