Patents by Inventor Tetsuya Yabuuchi
Tetsuya Yabuuchi 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: 9499477Abstract: Provided is a novel compound which is useful as a pharmaceutical composition by inhibiting an LpxC activity, thereby exhibiting potent antimicrobial activity against gram-negative bacteria including Pseudomonas aeruginosa and its drug resistant bacteria. Provided is a hydroxamic acid derivative represented by the following general formula [1] or a pharmaceutically acceptable salt thereof.Type: GrantFiled: April 21, 2015Date of Patent: November 22, 2016Assignees: TOYAMA CHEMICAL CO., LTD., TAISHO PHARMACEUTICAL CO., LTDInventors: Hajime Takashima, Risa Tsuruta, Tetsuya Yabuuchi, Yusuke Oka, Hiroki Urabe, Yoichiro Suga, Masato Takahashi, Fumito Uneuchi, Hironori Kotsubo, Muneo Shoji, Yasuko Kawaguchi
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Publication number: 20150225335Abstract: Provided is a novel compound which is useful as a pharmaceutical composition by inhibiting an LpxC activity, thereby exhibiting potent antimicrobial activity against gram-negative bacteria including Pseudomonas aeruginosa and its drug resistant bacteria.Type: ApplicationFiled: April 21, 2015Publication date: August 13, 2015Applicants: TAISHO PHARMACEUTICAL CO., LTD., TOYAMA CHEMICAL CO., LTD.Inventors: Hajime TAKASHIMA, Risa TSURUTA, Tetsuya YABUUCHI, Yusuke OKA, Hiroki URABE, Yoichiro SUGA, Masato TAKAHASHI, Fumito UNEUCHI, Hironori KOTSUBO, Muneo SHOJI, Yasuko KAWAGUCHI
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Patent number: 9073821Abstract: Provided is a novel compound which is useful as a pharmaceutical composition by inhibiting an LpxC activity, thereby exhibiting potent antimicrobial activity against gram-negative bacteria including Pseudomonas aeruginosa and its drug resistant bacteria.Type: GrantFiled: April 20, 2011Date of Patent: July 7, 2015Assignees: TAISHO PHARMACEUTICAL CO., LTD, TOYAMA CHEMICAL CO., LTD.Inventors: Hajime Takashima, Risa Tsuruta, Tetsuya Yabuuchi, Yusuke Oka, Hiroki Urabe, Yoichiro Suga, Masato Takahashi, Fumito Uneuchi, Hironori Kotsubo, Muneo Shoji, Yasuko Kawaguchi
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Patent number: 8637557Abstract: A compound represented by formula (1) or a pharmaceutically acceptable salt thereof, which has a PI3 kinase ? inhibitory effect and is useful as a prophylactic or therapeutic agent for articular rheumatism, Crohn's disease, irritable colitis, Sjoegren's syndrome, multiple sclerosis, systemic lupus erythematosus, asthma, atopic dermatitis, arteriosclerosis, organ transplant rejection, cancer, retinopathy, psoriasis, arthrosis deformans, age-related macular degeneration, type II diabetes, insulin resistance, obesity, non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), hyperlipemia, etc.Type: GrantFiled: October 4, 2010Date of Patent: January 28, 2014Assignee: Taisho Pharmaceutical Co., LtdInventors: Tetsuya Yabuuchi, Yusuke Oka, Shoichi Kuroda, Takahiro Oi, Yoshinori Sekiguchi
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Patent number: 8461329Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt thereof has an effect of inhibiting CRTH2 and, therefore, is useful as a preventive or a remedy for allergic diseases such as asthma, atopic dermatitis and allergic rhinitis.Type: GrantFiled: December 25, 2009Date of Patent: June 11, 2013Assignee: Taisho Pharmaceutical Co., Ltd.Inventors: Tetsuo Takayama, Hajime Asanuma, Daisuke Wakasugi, Rie Nishikawa, Yoshinori Sekiguchi, Madoka Kawamura, Naoya Ono, Tetsuya Yabuuchi, Takahiro Oi, Yusuke Oka, Shoichi Kuroda, Fumito Uneuchi, Takeshi Koami
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Publication number: 20130072677Abstract: Provided is a novel compound which is useful as a pharmaceutical composition by inhibiting an LpxC activity, thereby exhibiting potent antimicrobial activity against gram-negative bacteria including Pseudomonas aeruginosa and its drug resistant bacteria.Type: ApplicationFiled: April 20, 2011Publication date: March 21, 2013Applicants: TOYAMA CHEMICAL CO., LTD., TAISHO PHARMACEUTICAL CO., LTDInventors: Hajime Takashima, Risa Tsuruta, Tetsuya Yabuuchi, Yusuke Oka, Hiroki Urabe, Yoichiro Suga, Masato Takahashi, Fumito Uneuchi, Hironori Kotsubo, Muneo Shoji, Yasuko Kawaguchi
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Publication number: 20120220767Abstract: A compound represented by formula (1) or a pharmaceutically acceptable salt thereof, which has a PI3 kinase ? inhibitory effect and is useful as a prophylactic or therapeutic agent for articular rheumatism, Crohn's disease, irritable colitis, Sjoegren's syndrome, multiple sclerosis, systemic lupus erythematosus, asthma, atopic dermatitis, arteriosclerosis, organ transplant rejection, cancer, retinopathy, psoriasis, arthrosis deformans, age-related macular degeneration, type II diabetes, insulin resistance, obesity, non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), hyperlipemia, etc.Type: ApplicationFiled: October 4, 2010Publication date: August 30, 2012Applicant: TAISHO PHARMACEUTICAL CO., LTD.Inventors: Tetsuya Yabuuchi, Yusuke Oka, Shoichi Kuroda, Takahiro Oi, Yoshinori Sekiguchi
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Publication number: 20110288293Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt thereof has an effect of inhibiting CRTH2 and, therefore, is useful as a preventive or a remedy for allergic diseases such as asthma, atopic dermatitis and allergic rhinitis.Type: ApplicationFiled: December 25, 2009Publication date: November 24, 2011Applicant: TAISHO PHARMACEUTICAL CO., LTD.Inventors: Tetsuo Takayama, Hajime Asanuma, Daisuke Wakasugi, Rie Nishikawa, Yoshinori Sekiguchi, Madoka Kawamura, Naoya Ono, Tetsuya Yabuuchi, Takahiro Oi, Yusuke Oka, Shoichi Kuroda, Fumito Uneuchi, Takeshi Koami
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Publication number: 20110269960Abstract: An object of the present invention is to provide a compound having an action of inhibiting binding between S1P and its receptor, Edg-1 (S1P1), and is useful as a pharmaceutical compound. A compound or a pharmaceutically acceptable salt thereof, which compound is represented by the formula below (where A represents an oxygen atom, a sulfur atom, a group represented by Formula —SO—, a group represented by Formula —SO2—, or the like, R1 represents a hydrogen atom, an alkyl group having 1-6 carbon atoms, or the like, R1A represents a hydrogen atom or the like, R2 represents an alkyl group having 1-6 carbon atoms, a cycloalkyl group having 3-6 carbon atoms, or the like, R3 represents an aryl group, R4 represents a hydrogen atom or an alkyl group having 1-6 carbon atoms and optionally substituted with a carboxyl group, and R5 represents an alkyl group having 1-10 carbon atoms, a cycloalkyl group having 3-8 carbon atoms, an aryl group which is optionally substituted, or the like).Type: ApplicationFiled: July 11, 2011Publication date: November 3, 2011Applicant: TAISHO PHARMACEUTICAL CO., LTD.Inventors: Naoya ONO, Tetsuo Takayama, Fumiyasu Shiozawa, Hironori Katakai, Tetsuya Yabuuchi, Tomomi Ota, Makoto Yagi, Masakazu Sato
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Patent number: 8048898Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt thereof: (wherein Y1 represents a nitrogen atom or a group represented by CRA, Y2 represents a nitrogen atom or a group represented by CRB, Y3 represents a nitrogen atom or a group represented by CRC, RA, RB and RC, which may be the same or different, each represent a hydrogen atom, etc. (excluding the case where Y1 is CRA, Y2 is CRB and Y3 is CRC), X represents an oxygen atom, etc., R1 represents a C1-C6 alkyl group, etc., R2 represents a C1-C6 alkyl group, etc., R3 represents an optionally substituted phenyl group, etc., R4 represents a hydrogen atom, etc., and R5 represents an optionally substituted phenyl group, etc.Type: GrantFiled: August 1, 2008Date of Patent: November 1, 2011Assignee: Taisho Pharmaceutical Co., LtdInventors: Naoya Ono, Fumiyasu Shiozawa, Tetsuya Yabuuchi, Hironori Katakai
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Patent number: 8022091Abstract: An object of the present invention is to provide a compound having an action of inhibiting binding between S1P and its receptor, Edg-1 (S1P1), and is useful as a pharmaceutical compound. A compound or a pharmaceutically acceptable salt thereof, which compound is represented by the formula below (where A represents an oxygen atom, a sulfur atom, a group represented by Formula —SO—, a group represented by Formula —SO2—, or the like, R1 represents a hydrogen atom, an alkyl group having 1-6 carbon atoms, or the like, R1A represents a hydrogen atom or the like, R2 represents an alkyl group having 1-6 carbon atoms, a cycloalkyl group having 3-6 carbon atoms, or the like, R3 represents an aryl group, R4 represents a hydrogen atom or an alkyl group having 1-6 carbon atoms and optionally substituted with a carboxyl group, and R5 represents an alkyl group having 1-10 carbon atoms, a cycloalkyl group having 3-8 carbon atoms, an aryl group which is optionally substituted, or the like).Type: GrantFiled: February 5, 2007Date of Patent: September 20, 2011Assignee: Taisho Pharmaceutical Co., Ltd.Inventors: Naoya Ono, Tetsuo Takayama, Fumiyasu Shiozawa, Hironori Katakai, Tetsuya Yabuuchi, Tomomi Ota, Makoto Yagi, Masakazu Sato
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Patent number: 8022225Abstract: A compound represented by the formula (I) below or a pharmaceutically acceptable salt thereof has an effect of inhibiting binding between S1P and its receptor Edg-1(S1P1), and is useful as a pharmaceutical product. [where A represents a sulfur atom, an oxygen atom, a formula —SO— or a formula —SO2—; R1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or the like; R2 represents an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms or the like; R3 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R4 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a phenyl group or the like; R5 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; and R6 represents an alkyl group having 1 to 6 carbon atoms, a phenyl group or a substituted phenyl group].Type: GrantFiled: August 4, 2005Date of Patent: September 20, 2011Assignee: Taisho Pharmaceutical Co., LtdInventors: Naoya Ono, Masakazu Sato, Fumiyasu Shiozawa, Makoto Yagi, Tetsuya Yabuuchi, Tetsuo Takayama, Hironori Katakai
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Patent number: 7994204Abstract: The present invention aims to provide compounds which have an inhibitory effect on the binding between S1P and its receptor Edg-1(S1P1) and which are useful for pharmaceutical purposes. A compound represented by formula (I) or a pharmaceutically acceptable salt thereof: [wherein Ar represents a monocyclic heterocyclic ring containing one or two nitrogen atoms, A represents an oxygen atom or the like, Y1, Y2 and Y3 each represent a carbon atom or a nitrogen atom, R1 represents a hydrogen atom, a C1-C6 alkyl group or the like, R2 represents a C1-C6 alkyl group, a C3-C8 cycloalkyl group or the like, R3 represents a C1-C18 alkyl group or the like, R4 represents a hydrogen atom or a C1-C6 alkyl group, and R5 represents a C1-C10 alkyl group or the like].Type: GrantFiled: February 6, 2007Date of Patent: August 9, 2011Assignee: Taisho Pharmaceutical Co., LtdInventors: Naoya Ono, Tetsuo Takayama, Fumiyasu Shiozawa, Hironori Katakai, Tetsuya Yabuuchi, Tomomi Ota, Takeshi Koami, Rie Nishikawa
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Publication number: 20100234594Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt thereof: (wherein Y1 represents a nitrogen atom or a group represented by CRA, Y2 represents a nitrogen atom or a group represented by CRB, Y3 represents a nitrogen atom or a group represented by CRC, RA, RB and RC, which may be the same or different, each represent a hydrogen atom, etc. (excluding the case where Y1 is CRA, Y2 is CRB and Y3 is CRC), X represents an oxygen atom, etc., R1 represents a C1-C6 alkyl group, etc., R2 represents a C1-C6 alkyl group, etc., R3 represents an optionally substituted phenyl group, etc., R4 represents a hydrogen atom, etc., and R5 represents an optionally substituted phenyl group, etc.Type: ApplicationFiled: August 1, 2008Publication date: September 16, 2010Applicant: TAISHO PHARMACEUTICAL CO., LTD.Inventors: Naoya Ono, Fumiyasu Shiozawa, Tetsuya Yabuuchi, Hironori Katakai
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Publication number: 20100216787Abstract: A thiazolylimidazole derivative represented by the formula or a pharmaceutically acceptable salt thereof, and an ALK5 inhibitor, an therapeutic agent for alopecia or a hair growth agent having the above as an active ingredient, wherein: X1 and X2 are different from each other and represent a sulfur atom or a carbon atom; R1 represents a phenyl group; a substituted phenyl group; a phenyl group condensed with a hetero aromatic ring; a pyridyl group; or a pyridyl group condensed with a hetero aromatic ring; R2 represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an alkyl group having 1 to 6 carbon atoms substituted with 1 to 5 halogen atoms, an alkoxy group having 1 to 6 carbon atoms, an alkanoyl group having 1 to 5 carbon atoms, or a hydroxyalkyl group having 1 to 6 carbon atoms, A represents a group which is represented by the formula.Type: ApplicationFiled: December 22, 2009Publication date: August 26, 2010Applicant: TAISHO PHARMACEUTICAL CO., LTD.Inventors: Masakazu Sato, Yuko Matsunaga, Hajime Asanuma, Hideaki Amada, Takeshi Koami, Tetsuo Takayama, Tetsuya Yabuuchi, Fumiyasu Shiozawa, Hironori Katakai, Hiroki Umemiya, Akiko Ikeda
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Patent number: 7678810Abstract: A thiazolylimidazole derivative represented by the formula or a pharmaceutically acceptable salt thereof, and an ALK5 inhibitor, an therapeutic agent for alopecia or a hair growth agent having the above as an active ingredient, wherein: X1 and X2 are different from each other and represent a sulfur atom or a carbon atom; R1 represents a phenyl group; a substituted phenyl group; a phenyl group condensed with a hetero aromatic ring; a pyridyl group; or a pyridyl group condensed with a hetero aromatic ring; R2 represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an alkyl group having 1 to 6 carbon atoms substituted with 1 to 5 halogen atoms, an alkoxy group having 1 to 6 carbon atoms, an alkanoyl group having 1 to 5 carbon atoms, or a hydroxyalkyl group having 1 to 6 carbon atoms, A represents a group which is represented by the formula.Type: GrantFiled: March 4, 2005Date of Patent: March 16, 2010Assignee: Taisho Pharmaceutical Co., LtdInventors: Masakazu Sato, Yuko Matsunaga, Hajime Asanuma, Hideaki Amada, Takeshi Koami, Tetsuo Takayama, Tetsuya Yabuuchi, Fumiyasu Shiozawa, Hironori Katakai, Hiroki Umemiya, Akiko Ikeda
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Publication number: 20100041655Abstract: An object of the present invention is to provide a compound having an action of inhibiting binding between S1P and its receptor, Edg-1 (S1P1), and is useful as a pharmaceutical compound. A compound or a pharmaceutically acceptable salt thereof, which compound is represented by the formula below (where A represents an oxygen atom, a sulfur atom, a group represented by Formula —SO—, a group represented by Formula —SO2— or the like, R1 represents a hydrogen atom, an alkyl group having 1-6 carbon atoms, or the like, R1A represents a hydrogen atom or the like, R2 represents an alkyl group having 1-6 carbon atoms, a cycloalkyl group having 3-6 carbon atoms, or the like, represents an aryl group, R4 represents a hydrogen atom or an alkyl group having 1-6 carbon atoms and optionally substituted with a carboxyl group, and R5 represents an alkyl group having 1-carbon atoms, a cycloalkyl group having 3-8 carbon atoms, an aryl group which is optionally substituted, or the like).Type: ApplicationFiled: February 5, 2007Publication date: February 18, 2010Inventors: Naoya Ono, Tetsuo Takayama, Fumiyasu Shiozawa, Hironori Katakai, Tetsuya Yabuuchi, Tomomi Ota, Makoto Yagi, Masakazu Sato
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Publication number: 20090182144Abstract: The present invention aims to provide compounds which have an inhibitory effect on the binding between S1P and its receptor Edg-1(S1P1) and which are useful for pharmaceutical purposes. A compound represented by formula (I) or a pharmaceutically acceptable salt thereof: [wherein Ar represents a monocyclic heterocyclic ring containing one or two nitrogen atoms, A represents an oxygen atom or the like, Y1, Y2 and Y3 each represent a carbon atom or a nitrogen atom, R1 represents a hydrogen atom, a C1-C6 alkyl group or the like, R2 represents a C1-C6 alkyl group, a C3-C8 cycloalkyl group or the like, R3 represents a C1-C18 alkyl group or the like, R4 represents a hydrogen atom or a C1-C6 alkyl group, and R5 represents a C1-C10 alkyl group or the like].Type: ApplicationFiled: February 6, 2007Publication date: July 16, 2009Applicant: Taisho Pharmaceutical Co., Ltd.Inventors: Naoya Ono, Tetsuo Takayama, Fumiyasu Shiozawa, Hironori Katakai, Tetsuya Yabuuchi, Tomomi Ota, Takeshi Koami, Rie Nishikawa
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Publication number: 20090131438Abstract: A compound represented by the formula (I) below or a pharmaceutically acceptable salt thereof has an effect of inhibiting binding between S1P and its receptor Edg-1(S1P1), and is useful as a pharmaceutical product. [where A represents a sulfur atom, an oxygen atom, a formula —SO— or a formula —SO2—; R1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or the like; R2 represents an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms or the like; R3 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R4 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a phenyl group or the like; R5 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; and R6 represents an alkyl group having 1 to 6 carbon atoms, a phenyl group or a substituted phenyl group].Type: ApplicationFiled: August 4, 2005Publication date: May 21, 2009Applicant: Taisho Pharmaceutical Co., LtdInventors: Naoya Ono, Masakazu Sato, Fumiyasu Shiozawa, Makoto Yagi, Tetsuya Yabuuchi, Tetsuo Takayama, Hironori Katakai
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Publication number: 20070154428Abstract: A thiazolylimidazole derivative represented by the formula or a pharmaceutically acceptable salt thereof, and an ALK5 inhibitor, an therapeutic agent for alopecia or a hair growth agent having the above as an active ingredient, wherein: X1 and X2 are different from each other and represent a sulfur atom or a carbon atom; R1 represents a phenyl group; a substituted phenyl group; a phenyl group condensed with a hetero aromatic ring; a pyridyl group; or a pyridyl group condensed with a hetero aromatic ring; R2 represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an alkyl group having 1 to 6 carbon atoms substituted with 1 to 5 halogen atoms, an alkoxy group having 1 to 6 carbon atoms, an alkanoyl group having 1 to 5 carbon atoms, or a hydroxyalkyl group having 1 to 6 carbon atoms, A represents a group which is represented by the formula.Type: ApplicationFiled: March 4, 2005Publication date: July 5, 2007Applicant: TAISHO PHARMACEUTICAL CO., LTD.Inventors: Masakazu Sato, Yuko Matsunaga, Hajime Asanuma, Hideaki Amada, Takeshi Koami, Tetsuo Takayama, Tetsuya Yabuuchi, Fumiyasu Shiozawa, Hironori Katakai, Hiroki Umemiya, Akiko Ikeda