Patents by Inventor Atsuyuki Kohara
Atsuyuki Kohara 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).
-
Patent number: 7084164Abstract: The invention relates to a triazole derivative with an activity inhibiting glycine transporter and for use as a pharmaceutical drug, and a novel triazole derivative. The inventive triazole derivative has an excellent activity inhibiting glycine transporter and is useful as a therapeutic agent of dementia, schizophrenia, cognitive disorders, or cognitive disorders involved in various diseases such as Alzheimer disease, Parkinson's disease, or Huntington disease or the like, or spasm involved in diseases such as nerve degenerative diseases and cerebrovascular disorders, or the like. Particularly, the pharmaceutical drug is useful for the amelioration of learning disability of dementia and the like.Type: GrantFiled: September 22, 2005Date of Patent: August 1, 2006Assignee: Astellas Pharma, Inc.Inventors: Takahiko Tobe, Takashi Sugane, Wataru Hamaguchi, Itsuro Shimada, Kyoichi Maeno, Junji Miyata, Tetsuya Kimizuka, Takeshi Suzuki, Atsuyuki Kohara, Takuma Morita, Michael Arlt, Hartmut Greiner
-
Patent number: 7034047Abstract: The invention relates to a triazole derivative with an activity inhibiting glycine transporter and for use as a pharmaceutical drug, and a novel triazole derivative. The inventive triazole derivative has an excellent activity inhibiting glycine transporter and is useful as a therapeutic agent of dementia, schizophrenia, cognitive disorders, or cognitive disorders involved in various diseases such as Alzheimer disease, Parkinson's disease, or Huntington disease or the like, or spasm involved in diseases such as nerve degenerative diseases and cerebrovascular disorders, or the like. Particularly, the pharmaceutical drug is useful for the amelioration of learning disability of dementia and the like.Type: GrantFiled: May 19, 2004Date of Patent: April 25, 2006Assignee: Astellas Pharma, Inc.Inventors: Takahiko Tobe, Takashi Sugane, Wataru Hamaguchi, Itsuro Shimada, Kyoichi Maeno, Junji Miyata, Tetsuya Kimizuka, Takeshi Suzuki, Atsuyuki Kohara, Takuma Morita, Michael Arlt, Hartmut Greiner
-
Publication number: 20060025461Abstract: The invention relates to a triazole derivative with an activity inhibiting glycine transporter and for use as a pharmaceutical drug, and a novel triazole derivative. The inventive triazole derivative has an excellent activity inhibiting glycine transporter and is useful as a therapeutic agent of dementia, schizophrenia, cognitive disorders, or cognitive disorders involved in various diseases such as Alzheimer disease, Parkinson's disease, or Huntington disease or the like, or spasm involved in diseases such as nerve degenerative diseases and cerebrovascular disorders, or the like. Particularly, the pharmaceutical drug is useful for the amelioration of learning disability of dementia and the like.Type: ApplicationFiled: September 22, 2005Publication date: February 2, 2006Inventors: Takahiko Tobe, Takashi Sugane, Wataru Hamaguchi, Itsuro Shimada, Kyoichi Maeno, Junji Miyata, Tetsuya Kimizuka, Takeshi Suzuki, Atsuyuki Kohara, Takuma Morita, Michael Arlt, Hartmut Greiner
-
Publication number: 20040214818Abstract: The invention relates to a triazole derivative with an activity inhibiting glycine transporter and for use as a pharmaceutical drug, and a novel triazole derivative. The inventive triazole derivative has an excellent activity inhibiting glycine transporter and is useful as a therapeutic agent of dementia, schizophrenia, cognitive disorders, or cognitive disorders involved in various diseases such as Alzheimer disease, Parkinson's disease, or Huntington disease or the like, or spasm involved in diseases such as nerve degenerative diseases and cerebrovascular disorders, or the like. Particularly, the pharmaceutical drug is useful for the amelioration of learning disability of dementia and the like.Type: ApplicationFiled: May 19, 2004Publication date: October 28, 2004Applicant: YAMANOUCHI PHARMACEUTICAL CO., LTD., MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Takahiko Tobe, Takashi Sugane, Wataru Hamaguchi, Itsuro Shimada, Kyoichi Maeno, Junji Miyata, Tetsuya Kimizuka, Takeshi Suzuki, Atsuyuki Kohara, Takuma Morita, Michael Arlt, Hartmut Greiner
-
Publication number: 20030216385Abstract: The invention relates to a triazole derivative with an activity inhibiting glycine transporter and for use as a pharmaceutical drug, and a novel triazole derivative. The inventive triazole derivative has an excellent activity inhibiting glycine transporter and is useful as a therapeutic agent of dementia, schizophrenia, cognitive disorders, or cognitive disorders involved in various diseases such as Alzheimer disease, Parkinson's disease, or Huntington disease or the like, or spasm involved in diseases such as nerve degenerative diseases and cerebrovascular disorders, or the like. Particularly, the pharmaceutical drug is useful for the amelioration of learning disability of dementia and the like.Type: ApplicationFiled: November 18, 2002Publication date: November 20, 2003Inventors: Takahiko Tobe, Takashi Sugane, Wataru Hamaguchi, Itsuro Shimada, Kyoichi Maeno, Junji Miyata, Tetsuya Kimizuka, Takeshi Suzuki, Atsuyuki Kohara, Takuma Morita, Michael Arlt, Hartmut Greiner
-
Patent number: 6642264Abstract: This invention relates to novel thiazolo[3,2-a]benzoimidazole derivatives represented by the following general formula (I). The compounds provided by the invention act specifically on metabotropic glutamate receptors and are used as medicaments. The invention also provides novel compounds useful as intermediates for the synthesis of the compounds of the invention. (Symbols in the formula represent the following meanings. R1: carbamoyl, carbonyl, oxy, amino, carbonylamino or the like which may be substituted; R2: hydrogen, lower alkyl or the like; and R3, R4 and R5: hydrogen, lower alkyl and the like which may be the same or different from one another.Type: GrantFiled: October 5, 2001Date of Patent: November 4, 2003Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Satoshi Hayashibe, Hirotsune Itahana, Masamichi Okada, Atsuyuki Kohara, Kyoichi Maeno, Kiyoshi Yahiro, Itsuro Shimada, Kazuhito Tanabe, Kenji Negoro, Takashi Kamikubo, Shuichi Sakamoto
-
Patent number: 5834460Abstract: A serine derivative represented by the general formula (I) ##STR1## (symbols in the formula represent the following meanings; X: a sulfur atom or an oxygen atom,Y: a nitrogen atom or CH,R.sup.1 and R.sup.2 : the same or different from each other and each represents a hydrogen atom, a lower alkyl group or a protecting group for the amino group, or R.sup.1 and R.sup.2 may be combined together to form a four- to nine-membered nitrogen-containing cycloalkyl group,R.sup.3 : a hydrogen atom, a carboxyl group, a protected carboxyl group, an aralkyl group, or a lower alkyl group unsubstituted or substituted with a hydroxyl group,R.sup.4 : a hydrogen atom or a hydroxyl group,R.sup.Type: GrantFiled: October 12, 1995Date of Patent: November 10, 1998Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Ichio Noda, Masahiro Iwata, Shuichi Sakamoto, Kazuo Koshiya, Takuma Morita, Atsuyuki Kohara