Patents by Inventor Kaoru Seno
Kaoru Seno 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: 7662826Abstract: A compound represented by the formula (Ia) (wherein R1a, R2a, and R3 to R5 are the same as defined in the description), a prodrug thereof, a pharmaceutically acceptable salt thereof, or solvate thereof. The compounds are useful in the prevention of or treatment for diseases relating to NAD(P)H.Type: GrantFiled: April 18, 2003Date of Patent: February 16, 2010Assignee: Shionogi & Co., Ltd.Inventors: Kaoru Seno, Koichi Nishi, Yoshiyuki Matsuo, Toshio Fujishita
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Publication number: 20090286796Abstract: A compound represented by the general formula: wherein R20 is —CH2COOH and the like; R21 is —COCONH2 and the like; R22 is C4-C6 alkyl; and the like; R23 is —CH2—R18 wherein R18 is aryl and the like; R24 is hydrogen or C1-C6 alkyl and the like; an optical active compound, a prodrug thereof, or a pharmaceutically acceptable salt, or a solvate having type X sPLA2 inhibitory effect was found.Type: ApplicationFiled: July 24, 2009Publication date: November 19, 2009Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
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Publication number: 20080167347Abstract: A CTGF expression inhibitor comprising a compound of the formula I: a pharmaceutically acceptable salt or solvate thereof as an active ingredient, (wherein Y is hydroxy or a group of the formula: —NH—SO2—Y? (wherein Y? is optionally substituted aryl or optionally substituted alkyl), and R1 to R9 are each independently hydrogen, halogen, optionally substituted alkyl, optionally substituted alkoxy or the like).Type: ApplicationFiled: January 19, 2006Publication date: July 10, 2008Applicant: SHIONGI & CO., LTD.Inventors: Kaoru Seno, Toshihiro Shinosaki, Satoshi Hata, Isamu Yamada, Hiroki Sato, Mikayo Hayashi
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Publication number: 20060116379Abstract: A compound represented by the general formula: wherein R20 is —CH2COOH and the like; R21 is —COCONH2 and the like; R22 is C4-C6 alkyl; and the like; R23 is —CH2—R18 wherein R18 is aryl and the like; R24 is hydrogen or C1-C6 alkyl and the like; an optical active compound, a prodrug thereof, or a pharmaceutically acceptable salt, or a solvate having type X sPLA2 inhibitory effect was found.Type: ApplicationFiled: November 16, 2005Publication date: June 1, 2006Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
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Publication number: 20060089362Abstract: A compound represented by the formula (Ia) (wherein R1a, R2a, and R3 to R5 are the same as defined in the description), a prodrug thereof, a pharmaceutically acceptable salt thereof, or solvate thereof. The compounds are useful in the prevention of or treatment for diseases relating to NAD(P)H.Type: ApplicationFiled: April 18, 2003Publication date: April 27, 2006Applicant: Shionogi & Co., LtdInventors: Kaoru Seno, Koichi Nishi, Yoshiyuki Matsuo, Toshio Fujishita
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Patent number: 7026318Abstract: A compound represented by the general formula: wherein R20 is —CH2COOH and the like; R21 is —COCONH2 and the like; R22 is C4–C6 alkyl; and the like; R23 is —CH2—R18 wherein R18 is aryl and the like; R24 is hydrogen or C1–C6 alkyl and the like; an optical active compound, a prodrug thereof, or a pharmaceutically acceptable salt, or a solvate having type X sPLA2 inhibitory effect was found.Type: GrantFiled: June 27, 2001Date of Patent: April 11, 2006Assignee: Shionogi & Co., Ltd.Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
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Patent number: 6924301Abstract: A composition for treating or preventing arrhythmia containing as an active ingredient a cPLA2 inhibitor, for example a compound represented by formula (I): wherein R1 is optionally substituted aralkyl or the like; Z is —S— or the like; X1 is —(CH2)s-N(R18)—CO— (wherein R18 is hydrogen atom or the like, s is an integer of 0 to 3) or the like; X2 is optionally substituted arylene or the like; X3 is a bond or the like; A, B, and E are each independently oxygen atom or sulfur atom; D is hydrogen atom or the like; Y1 is —(CH2)mCO— (m is an integer of 0 to 3) or the like; Y2 is optionally substituted aryl or the like.Type: GrantFiled: October 16, 2000Date of Patent: August 2, 2005Assignee: Shionogi & Co., Ltd.Inventors: Kaoru Seno, Yozo Hori
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Publication number: 20030181454Abstract: A compound represented by the general formula: 1Type: ApplicationFiled: December 17, 2002Publication date: September 25, 2003Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
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Patent number: 6147100Abstract: A compound represented by the formula (I): ##STR1## wherein, for example, R.sup.1 is optionally substituted aralkyl, Z is nitrogen atom which optionally substituted with alkyl, X.sup.1 is --CH.sub.2 NHCO--, X.sup.2 is phenylene, X.sup.3 is a bond, Y.sup.2 is optionally substituted aryl, B is oxygen atom, its pharmaceutically acceptable salt, or hydrate thereof and a pharmaceutical composition which contains them as an active ingredient.Type: GrantFiled: July 22, 1999Date of Patent: November 14, 2000Assignee: Shionogi & Co., Ltd.Inventors: Kaoru Seno, Mitsuaki Ohtani, Fumihiko Watanabe
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Patent number: 5955616Abstract: A compound of the formula I: ##STR1## or a pharmaceutically acceptable salt or a hydrate thereof, which has the activity of inhibiting the production of prostaglandin E.sub.2 by inhibiting cytosolic phospholipase.sub.2.Type: GrantFiled: January 28, 1998Date of Patent: September 21, 1999Assignee: Shionogi & Co., Ltd.Inventors: Mitsuaki Ohtani, Toshiyuki Kato, Fumihiko Watanabe, Kaoru Seno
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Patent number: 5776929Abstract: A benzodiazepine derivative of the formula (I): ##STR1## wherein R.sub.1 is a bond, --CH.sub.2 --, --CH.sub.2 O--, --SCH.sub.2 -- or a group of the formula: ##STR2## R.sub.2 is a lower alkyl, --COOR.sub.5, --CONH(CH.sub.2).sub.n COOR.sub.5, --CONHSO.sub.2 R.sub.5, --SO.sub.2 NHCOR.sub.5, or an optionally substituted heterocyclic group (R.sub.5 is a hydrogen atom, lower alkyl or benzyl and n is an integer of 1 to 5); R.sub.3 is a bond, --CO-- or --CONH--; and R.sub.4 is an optionally substituted heterocyclic group, optionally substituted lower alkyl, optionally substituted lower cycloalkyl, optionally substituted aryl, or lower alkoxycarbonyl group, or a pharmaceutically acceptable salt thereof, which has a high affinity for gastrin receptors and/or CCK-B receptors but not for CCK-A receptors, and is useful for treating diseases associated with gastrin receptors and/or CCK-B receptors without inducing the side effects associated with CCK-A receptors.Type: GrantFiled: June 25, 1996Date of Patent: July 7, 1998Assignee: Shionogi & Co., Ltd.Inventors: Sanji Hagishita, Susumu Kamata, Kaoru Seno, Nobuhiro Haga, Yasunobu Ishihara
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Patent number: 5138067Abstract: Lipid derivatives represented by the formula: ##STR1## wherein R.sub.1 is alkyl or alkylcarbamoyl; R.sub.2 is lower alkyloxy, lower alkylcarbamoyloxy, lower alkylcarbonylamino, lower alkyloxycarbonylamino, lower alkylureido, lower alkyloxymethyl, lower alkylcarbonylmethyl, cyanomethyl, heterocyclic group, or heterocyclyloxy; R.sub.2 ' is hydrogen or R.sub.2 and R.sub.2 ' taken together with R.sub.2 form --O(CH.sub.2).sub.m -- wherein m is an integer of 1 to 5; R.sub.3, R.sub.4, and R.sub.5 each is hydrogen or lower alkyl or two or three of R.sub.3, R.sub.4, and R.sub.5 taken together with the adjacent nitrogen atom form cyclic ammonio; R.sub.6 is hydrogen or lower alkylcarbonyl; X.sup.- is a counter anion; Y is oxygen or sulfur; and n is an integer of 1 to 10, being useful as PAF antagonists, e.g., as antithrombotic, antivasoconstricting, antibronchoconstricting agent or antitumor agent.Type: GrantFiled: May 29, 1991Date of Patent: August 11, 1992Assignee: Shionogi & Co. Ltd.Inventors: Susumu Kamata, Tatsuo Tsuri, Nobuhiro Haga, Takeaki Matsui, Morio Kishi, Kimio Takahashi, Sanji Hagishita, Kaoru Seno
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Patent number: 5073648Abstract: This invention relates to an optically active (+)-secondary amine of the formula: ##STR1## wherein R.sup.1 is a lower alkyl, and to a process for preparing a useful intermediate for the production of the optically active dopamine derivatives, namely, optically active (+)-primary amine of the formula: ##STR2## wherein R.sup.1 is a lower alkyl, characterized by the reduction of said optically active (+)-secondary amine.Type: GrantFiled: January 25, 1991Date of Patent: December 17, 1991Assignee: Shionogi & Co., Ltd.Inventors: Sanji Hagishita, Kaoru Seno
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Patent number: 5047540Abstract: Lipid derivatives represented by the formula: ##STR1## wherein R.sub.1 is alkyl or alkylcarbamoyl; R.sub.2 is lower alkyloxy, lower alkylcarbamoyloxy, lower alkylcarbonylamino, lower alkyloxycarbonylamino, lower alkylureido, lower alkyloxymethyl, lower alkylcarbonylmethyl, cyanomethyl, heterocyclic group, or he0 terocyclyloxy; R.sub.2 ' is hydrogen or R.sub.2 and R.sub.2 ' taken together form --O(CH.sub.2).sub.m -- wherein m is an integer of 1 to 5; R.sub.3, R.sub.4, and R.sub.5 each is hydrogen or lower alkyl or two or three of R.sub.3, R.sub.4, and R.sub.5 taken together with the adjacent nitrogen atom form cyclic ammonio; R.sub.6 is hydrogen or lower alkylcarbonyl; X.sup.- is a counter anion; Y is oxygen or sulfur; and n is an integer of 1 to 10, being useful as PAF antagonists, e.g., as antithrombotic, antivasoconstricting, antibronchoconstricting agent or antitumor agent.Type: GrantFiled: November 29, 1988Date of Patent: September 10, 1991Assignee: Shionogi & Co., Ltd.Inventors: Susumu Kamata, Tatsuo Tsuri, Nobuhiro Haga, Takeaki Matsui, Morio Kishi, Kimio Takahashi, Sanji Hagashita, Kaoru Seno
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Patent number: 4976891Abstract: Bicyclic sulfonamido derivatives represented by the formula: ##STR1## wherein R.sub.1 is a hydrogen or lower alkyl; R.sub.2 is an alkyl, substituted or unsubstituted arly, aralkyl or hetelocycle; R.sub.3 is hydrogen or methyl; X is an alkylene or alkenylene which may be substituted by a fluorine atom or atoms and may contain an oxygen, sulfur and/or phenylene in the chain; Y is straight or branched alkylene or alkeneylene, oxygen, or sulfur; m is 0 or 1; and n is 0, 1 or 2, or their salt, said derivatives being useful as antithrombotic, anti-vasoconstricting, and anti-bronchoconstricting drugs.Type: GrantFiled: March 23, 1989Date of Patent: December 11, 1990Assignee: Shionogi & Co., Ltd.Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Sanji Hagishita, Kaoru Seno, Susumu Kamata
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Patent number: 4960909Abstract: Bicyclic sulfonamido derivatives represented by the formula: ##STR1## wherein R.sub.1 is a hydrogen or lower alkyl; R.sub.2 is an alkyl, substituted or unsubstituted aryl, aralkyl or hetelocycle; R.sub.3 is a hydrogen or methyl; X is an alkylene or alkenylene which may be substituted by a fluorine atom or atoms and may contain an oxygen, sulfur and/or phenylene in the chain; Y is straight or branched alkylene or alkenylene oxygen, or sulfur; m is 0 or 1; and n is 0, 1 or 2, or their salt, said derivatives being useful as antithrombotic, anti-vasoconstricting, and anti-bronchoconstricting drugs.Type: GrantFiled: March 23, 1989Date of Patent: October 2, 1990Assignee: Shionogi & Co., Ltd.Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Sanji Hagishita, Kaoru Seno, Susumu Kamata, Nobuhiro Haga, Tatsuo Tsuri, Tadahiko Tsushima, Kenji Kawada
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Patent number: 4916231Abstract: Tetrazole derivatives represented by the formula: ##STR1## wherein R is naphthyl or phenyl optionally substituted by phenyl, lower alkyo, halogen, lower alkoxy, hydroxy or acetoxy; X is methylene, dimethylmethylene or oxygen; n is an integer of 0 or 1; and p and r each is an integer of 0 or 1 and q is an integer of 1 or 2 provided that p+q+r=2; or a tautomer in tetrazole ring and a pharmaceutically acceptable salt thereof, which are useful as TXA.sub.2 receptor antagonist.Type: GrantFiled: July 10, 1989Date of Patent: April 10, 1990Assignee: Shionogi & Co., Ltd.Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Takaharu Matsuura, Sanji Hagishita, Kaoru Seno
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Patent number: 4904819Abstract: Bicyclic sulfonamide derivatives represented by the formula: ##STR1## (wherein R.sub.1 is hydrogen or lower alkyl; R.sub.2 is lower alkyl, aralkyl, or aryl which may be substituted by lower alkyl, alkoxy, acetoxy, hydroxy, halogen, nitro or phenyl; and the wavy line indicates R or S configuration or their mixture) or their salt being used as antithrombotic, antivasoconstricting, and antibronchoconstricting drugs and the process therefor.Type: GrantFiled: April 28, 1988Date of Patent: February 27, 1990Assignee: Shionogi & Co., Ltd.Inventors: Sanji Hagishita, Kaoru Seno
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Patent number: 4861913Abstract: Bicyclic sulfonamido derivatives represented by the formula: ##STR1## wherein R.sub.1 is a hydrogen or lower alkyl; R.sub.2 is an alkyl, substituted or unsubstituted aryl, aralkyl or heterocycle; R.sub.3 is a hydrogen or methyl; X is an alkylene or alkenylene which may be substituted by a fluorine atom or atoms an may contain an oxygen, sulfur and/or phenylene in the chain; Y is straight or branched alkylene or alkenylene, oxygen, or sulfur; m is 0 or 1; and n is 0, 1 or 2, or their salt, said derivatives being useful as antithrombotic, anti-vasoconstricting, and anti-bronchoconstricting drugs.Type: GrantFiled: November 5, 1986Date of Patent: August 29, 1989Assignee: Shionogi & Co., Ltd.Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Sanji Hagishita, Kaoru Seno, Susumu Kamata, Nobuhiro Haga, Tatsuo Tsuri, Tadahiko Tsushima, Kenji Kawada