Patents by Inventor Tomoko Ishizaka
Tomoko Ishizaka 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).
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Patent number: 9522914Abstract: The present invention provides agents for treating or preventing diseases such as mood disorder, anxiety disorder, schizophrenia, Alzheimer's disease, Parkinson's disease, Huntington's chorea, eating disorder, hypertension, gastrointestinal disease, drug addiction, epilepsy, cerebral infarction, cerebral ischemia, cerebral edema, head injury, inflammation, immune-related disease, alopecia, and so forth.Type: GrantFiled: October 25, 2012Date of Patent: December 20, 2016Assignee: TAISHO PHARMACEUTICAL CO., LTDInventors: Mitsukane Yoshinaga, Takeshi Kuwada, Naoki Miyakoshi, Tomoko Ishizaka, Daisuke Wakasugi, Shin-ichi Shirokawa, Nobutaka Hattori, Youichi Shimazaki
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Patent number: 9193695Abstract: The present invention provides a 1,2,4-triazolone derivative represented by Formula (1A) having an antagonistic activity on the arginine-vasopressin 1b receptor or a pharmaceutically acceptable salt thereof and provides a pharmaceutical composition comprising the compound or the salt as an active ingredient, in particular, a therapeutic or preventive agent exhibiting favorable pharmacokinetics in a disease such as mood disorder, anxiety disorder, schizophrenia, Alzheimer's disease, Parkinson's disease, Huntington's chorea, eating disorder, hypertension, gastrointestinal disease, drug addiction, epilepsy, cerebral infarction, cerebral ischemia, cerebral edema, head injury, inflammation, immune-related disease, or alopecia.Type: GrantFiled: September 30, 2011Date of Patent: November 24, 2015Assignee: TAISHO PHARMACEUTICAL CO., LTD.Inventors: Takeshi Kuwada, Mitsukane Yoshinaga, Tomoko Ishizaka, Daisuke Wakasugi, Shin-ichi Shirokawa, Nobutaka Hattori, Youichi Shimazaki, Naoki Miyakoshi
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Publication number: 20150045551Abstract: The present invention provides agents for treating or preventing diseases such as mood disorder, anxiety disorder, schizophrenia, Alzheimer's disease, Parkinson's disease, Huntington's chorea, eating disorder, hypertension, gastrointestinal disease, drug addiction, epilepsy, cerebral infarction, cerebral ischemia, cerebral edema, head injury, inflammation, immune-related disease, alopecia.Type: ApplicationFiled: March 29, 2013Publication date: February 12, 2015Applicant: TAISHO PHARMACEUTICAL CO., LTDInventors: Mitsukane Yoshinaga, Tomoko Ishizaka, Daisuke Wakasugi, Shin-ichi Shirokawa, Nobutaka Hattori, Shuhei Kashiwa, Takeshi Kuwada, Youichi Shimazaki
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Publication number: 20140275006Abstract: The present invention provides agents for treating or preventing diseases such as mood disorder, anxiety disorder, schizophrenia, Alzheimer's disease, Parkinson's disease, Huntington's chorea, eating disorder, hypertension, gastrointestinal disease, drug addiction, epilepsy, cerebral infarction, cerebral ischemia, cerebral edema, head injury, inflammation, immune-related disease, alopecia, and so forth.Type: ApplicationFiled: October 25, 2012Publication date: September 18, 2014Applicant: TAISHO PHARMACEUTICAL CO., LTDInventors: Mitsukane Yoshinaga, Takeshi Kuwada, Naoki Miyakoshi, Tomoko Ishizaka, Daisuke Wakasugi, Shin-ichi Shirokawa, Nobutaka Hattori, Youichi Shimazaki
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Publication number: 20130197217Abstract: The present invention provides a 1,2,4-triazolone derivative represented by Formula (1A) having an antagonistic activity on the arginine-vasopressin 1b receptor or a pharmaceutically acceptable salt thereof and provides a pharmaceutical composition comprising the compound or the salt as an active ingredient, in particular, a therapeutic or preventive agent exhibiting favorable pharmacokinetics in a disease such as mood disorder, anxiety disorder, schizophrenia, Alzheimer's disease, Parkinson's disease, Huntington's chorea, eating disorder, hypertension, gastrointestinal disease, drug addiction, epilepsy, cerebral infarction, cerebral ischemia, cerebral edema, head injury, inflammation, immune-related disease, or alopecia.Type: ApplicationFiled: September 30, 2011Publication date: August 1, 2013Applicant: TAISHO PHARMACEUTICAL CO., LTDInventors: Takeshi Kuwada, Mitsukane Yoshinaga, Tomoko Ishizaka, Daisuke Wakasugi, Shin-ichi Shirokawa, Nobutaka Hattori, Youichi Shimazaki, Naoki Miyakoshi
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Patent number: 8044068Abstract: Disclosed is an aminopyrrolidine compound represented by the formula [I] or a pharmaceutically acceptable salt thereof. The compound or the salt is useful as a prophylactic/therapeutic agent for mode disorder such as depression, anxiety disorder, anorexia, cachexia, pain and drug dependence, whose action relies on the MC4 receptor antagonistic effect.Type: GrantFiled: March 30, 2007Date of Patent: October 25, 2011Assignees: Taisho Pharmaceutical Co., Ltd, Nissan Chemical Industries, Ltd.Inventors: Taketoshi Okubo, Toshihito Kumagai, Takaaki Ishii, Toshio Nakamura, Kumi Abe, Yuri Amada, Tomoko Ishizaka, Xiang-Min Sun, Yoshinori Sekiguchi, Shigetada Sasako, Takanori Shimizu, Takayuki Nagatsuka
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Publication number: 20100113776Abstract: A novel pyrazole derivative of the following formula having a histamine H3 receptor antagonistic effect: or a pharmaceutically acceptable salt thereof or a pharmaceutical preparation comprising the same as an active ingredient is effective for prevention or treatment of dementia, Alzheimer's disease, attention-deficit hyperactivity disorder, schizophrenia, eating disorders, obesity, diabetes, hyperlipidemia, sleep disorders, narcolepsy, sleep apnea syndrome, circadian rhythm disorder, depression, allergic rhinitis or other diseases.Type: ApplicationFiled: December 14, 2007Publication date: May 6, 2010Applicant: TAISHO PHARMACEUTICAL CO.,LTD.Inventors: Toshio Nakamura, Dai Nozawa, Makoto Tatsuzuki, Hiroahi Ohta, Takeshi Kuwada, Tomoko Ishizaka, Tomoko Tamita, Seiji Masuda
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Publication number: 20090291940Abstract: Disclosed is an aminopyrrolidine compound represented by the formula [I] or a pharmaceutically acceptable salt thereof. The compound or the salt is useful as a prophylactic/therapeutic agent for mode disorder such as depression, anxiety disorder, anorexia, cachexia, pain and drug dependence, whose action relies on the MC4 receptor antagonistic effect.Type: ApplicationFiled: March 30, 2007Publication date: November 26, 2009Applicants: Taisho Pharmaceutical Co., Ltd., Nissan Chemical Industries, Ltd.Inventors: Taketoshi Okubo, Toshihito Kumagai, Takaaki Ishii, Toshio Nakamura, Kumi Abe, Yuri Amada, Tomoko Ishizaka, Xiang-Min Sun, Yoshinori Sekiguchi, Shigetada Sasako, Takanori Shimizu, Takayuki Nagatsuka