Patents by Inventor Saburo Kawanami
Saburo Kawanami 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: 7666869Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein symbols in the formula have the following meanings; A: —CH2— or —S—, B: CH or N, R1: H, a lower alkyl group, etc., X: a single bonding arm, —CO—, -Alk-CO—, —COCH2—, -Alk-O—, —O—CH2—, —SO2—, —S—, —COO—, —CON(R3)—, -Alk-CON(R3)—, —CON(R3)CH2—, —NHCH2—, etc., R3: hydrogen atom or a lower alkyl group, Alk: a lower alkylene group, and R2: (1) a cyclic group which may be substituted, (2) a substituted amino group, etc., provided that when X is —CO—, then B is N, or a pharmaceutically acceptable salt thereof.Type: GrantFiled: December 7, 2007Date of Patent: February 23, 2010Assignee: Mitsubishi Tanabe Pharma Corp.Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Publication number: 20080153821Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein symbols in the formula have the following meanings; A: —CH2— or —S—, B: CH or N, R1: H, a lower alkyl group, etc., X: a single bonding arm, —CO—, -Alk-CO—, —COCH2—, -Alk-O—, —O—CH2—, —SO2—, —S—, —COO—, —CON(R3)—, -Alk-CON(R3)—, —CON(R3)CH2—, —NHCH2—, etc., R3: hydrogen atom or a lower alkyl group, Alk: a lower alkylene group, and R2: (1) a cyclic group which may be substituted, (2) a substituted amino group, etc., provided that when X is —CO—, then B is N, or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: December 7, 2007Publication date: June 26, 2008Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Publication number: 20080081817Abstract: A novel nitrogenous fused bicyclic compound represented by the following general formula [1] or a pharmacologically acceptable salt of the compound. They have excellent SK channel blocking activity and are useful as a medicine. [I] (In the formula, R0 represents hydrogen, halogeno, etc.; R1 represents a group represented by the formula (a) or (b); A represents a group represented by the formula (X) or (Y); D1, D2 and D3 each represents N or CH; R2 represents halogeno or optionally halogenated lower alkyl, etc.; R3 represents hydrogen or lower alkyl; and Q represents lower alkylene.Type: ApplicationFiled: July 22, 2005Publication date: April 3, 2008Applicant: Tanabe Seiyaku Co., Ltd.Inventors: Iwao Takamuro, Saburo Kawanami, Yasunori Tsuboi, Toshiyuki Himiyama, Yuko Hasegawa, Hideki Mochida, Kouji Nogi
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Patent number: 7332487Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein symbols in the formula have the following meanings; A: —CH2— or —S—, B: CH or N, R1: H, a lower alkyl group, etc., X: a single bonding arm, —CO—, —Alk—CO—, —COCH2—, —Alk—O—, —O—CH2—, —SO2—, —S—, —COO—, —CON(R3)—, —Alk—CON(R3)—, —CON(R3)CH2—, —NHCH2—, etc., R3: hydrogen atom or a lower alkyl group, Alk: a lower alkylene group, and R2: (1) a cyclic group which may be substituted, (2) a substituted amino group, etc., provided that when X is —CO—, then B is N, or a pharmaceutically acceptable salt thereof.Type: GrantFiled: June 15, 2006Date of Patent: February 19, 2008Assignee: Tanabe Seiyaku Co., Ltd.Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Patent number: 7160877Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein A represents —CH2— or —S—, R1 represents hydrogen atom, a lower alkyl group, a hydroxy lower alkyl group or a lower-alkoxy lower alkyl group, X represents —N(R3)—, —O— or —CO—, where R3 represents hydrogen atom or a lower alkyl group, and R2 represents (1) a cyclic group which may be substituted, or (2) an amino group which may be substituted, or a pharmaceutically acceptable salt thereof, a method for preparing the above-mentioned compound and a pharmaceutical composition comprising the above-mentioned compound as an effective ingredient.Type: GrantFiled: June 22, 2004Date of Patent: January 9, 2007Assignee: Tanabe Seiyaku Co., Ltd.Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Patent number: 7138397Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein symbols in the formula have the following meanings; A: —CH2— or —S—, B: CH or N, R1: H, a lower alkyl group, etc., X: a single bonding arm, —CO—, -Alk-CO—, —COCH2—, -Alk-O—, —O—CH2—, —SO2—, —S—, —COO—, —CON(R3)—, -Alk-CON(R3)—, —CON(R3)CH2—, —NHCH2—, etc., R3: hydrogen atom or a lower alkyl group, Alk: a lower alkylene group, and R2: (1) a cyclic group which may be substituted, (2) a substituted amino group, etc., provided that when X is —CO—, then B is N, or a pharmaceutically acceptable salt thereof.Type: GrantFiled: October 5, 2001Date of Patent: November 21, 2006Assignee: Tanabe Seiyaku Co., Ltd.Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Publication number: 20060241146Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein symbols in the formula have the following meanings; A: —CH2— or —S—, B: CH or N, R1 H, a lower alkyl group, etc., X: a single bonding arm, —CO—, —Alk—CO—, —COCH2—, —Alk—O—, —O—CH2—, —SO2—, —S—, —COO—, —CON(R3)—, —Alk—CON(R3)—, —CON(R3)CH2—, —NHCH2—, etc., R3: hydrogen atom or a lower alkyl group, Alk: a lower alkylene group,,and. R2: (1) a cyclic group which may be substituted, (2) a substituted amino group, etc., provided that when X is —CO—, then B is N, or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: June 15, 2006Publication date: October 26, 2006Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Publication number: 20050054678Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein symbols in the formula have the following meanings; A: —CH2— or —S—, B: CH or N, R1: H, a lower alkyl group, etc., X: a single bonding arm, —CO—, -Alk-CO—, —COCH2—, -Alk-O—, —O—CH2—, —SO2—, —S—, —COO—, —CON(R3)—, -Alk-CON(R3)—, —CON(R3)CH2—, —NHCH2—, etc., R3: hydrogen atom or a lower alkyl group, Alk: a lower alkylene group, and R2: (1) a cyclic group which may be substituted, (2) a substituted amino group, etc., provided that when X is —CO—, then B is N, or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: October 5, 2001Publication date: March 10, 2005Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Patent number: 6849622Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: wherein A represents —CH2— or —S—, R1 represents hydrogen atom, a lower alkyl group, a hydroxy lower alkyl group or a lower alkoxy lower alkyl group, X represents —N(R3)—, —O— or —CO—, where R3 represents hydrogen atom or a lower alkyl group, and R2 represents (1) a cyclic group which may be substituted, or (2) an amino group which may be substituted, or a pharmaceutically acceptable salt thereof, a method for preparing the above-mentioned compound and a pharmaceutical composition comprising the above-mentioned compound as an effective ingredient.Type: GrantFiled: October 5, 2001Date of Patent: February 1, 2005Assignee: Tanabe Seiyaku Co., Ltd.Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Publication number: 20040229926Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: 1Type: ApplicationFiled: June 22, 2004Publication date: November 18, 2004Applicant: TANABE SEIYAKU CO., LTD.Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa
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Publication number: 20040063935Abstract: The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]: 1Type: ApplicationFiled: April 4, 2003Publication date: April 1, 2004Inventors: Kosuke Yasuda, Hiroshi Morimoto, Saburo Kawanami, Masataka Hikota, Takeshi Matsumoto, Kenji Arakawa