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).

  • Patent number: 7662826
    Abstract: 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: Grant
    Filed: April 18, 2003
    Date of Patent: February 16, 2010
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kaoru Seno, Koichi Nishi, Yoshiyuki Matsuo, Toshio Fujishita
  • Publication number: 20090286796
    Abstract: 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: Application
    Filed: July 24, 2009
    Publication date: November 19, 2009
    Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
  • Publication number: 20080167347
    Abstract: 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: Application
    Filed: January 19, 2006
    Publication date: July 10, 2008
    Applicant: SHIONGI & CO., LTD.
    Inventors: Kaoru Seno, Toshihiro Shinosaki, Satoshi Hata, Isamu Yamada, Hiroki Sato, Mikayo Hayashi
  • Publication number: 20060116379
    Abstract: 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: Application
    Filed: November 16, 2005
    Publication date: June 1, 2006
    Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
  • Publication number: 20060089362
    Abstract: 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: Application
    Filed: April 18, 2003
    Publication date: April 27, 2006
    Applicant: Shionogi & Co., Ltd
    Inventors: Kaoru Seno, Koichi Nishi, Yoshiyuki Matsuo, Toshio Fujishita
  • Patent number: 7026318
    Abstract: 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: Grant
    Filed: June 27, 2001
    Date of Patent: April 11, 2006
    Assignee: Shionogi & Co., Ltd.
    Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
  • Patent number: 6924301
    Abstract: 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: Grant
    Filed: October 16, 2000
    Date of Patent: August 2, 2005
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kaoru Seno, Yozo Hori
  • Publication number: 20030181454
    Abstract: A compound represented by the general formula: 1
    Type: Application
    Filed: December 17, 2002
    Publication date: September 25, 2003
    Inventors: Tomoyuki Ogawa, Kaoru Seno, Kohji Hanasaki, Minoru Ikeda, Takashi Ono
  • Patent number: 6147100
    Abstract: 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: Grant
    Filed: July 22, 1999
    Date of Patent: November 14, 2000
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kaoru Seno, Mitsuaki Ohtani, Fumihiko Watanabe
  • Patent number: 5955616
    Abstract: 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: Grant
    Filed: January 28, 1998
    Date of Patent: September 21, 1999
    Assignee: Shionogi & Co., Ltd.
    Inventors: Mitsuaki Ohtani, Toshiyuki Kato, Fumihiko Watanabe, Kaoru Seno
  • Patent number: 5776929
    Abstract: 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: Grant
    Filed: June 25, 1996
    Date of Patent: July 7, 1998
    Assignee: Shionogi & Co., Ltd.
    Inventors: Sanji Hagishita, Susumu Kamata, Kaoru Seno, Nobuhiro Haga, Yasunobu Ishihara
  • Patent number: 5138067
    Abstract: 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: Grant
    Filed: May 29, 1991
    Date of Patent: August 11, 1992
    Assignee: Shionogi & Co. Ltd.
    Inventors: Susumu Kamata, Tatsuo Tsuri, Nobuhiro Haga, Takeaki Matsui, Morio Kishi, Kimio Takahashi, Sanji Hagishita, Kaoru Seno
  • Patent number: 5073648
    Abstract: 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: Grant
    Filed: January 25, 1991
    Date of Patent: December 17, 1991
    Assignee: Shionogi & Co., Ltd.
    Inventors: Sanji Hagishita, Kaoru Seno
  • Patent number: 5047540
    Abstract: 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: Grant
    Filed: November 29, 1988
    Date of Patent: September 10, 1991
    Assignee: Shionogi & Co., Ltd.
    Inventors: Susumu Kamata, Tatsuo Tsuri, Nobuhiro Haga, Takeaki Matsui, Morio Kishi, Kimio Takahashi, Sanji Hagashita, Kaoru Seno
  • Patent number: 4976891
    Abstract: 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: Grant
    Filed: March 23, 1989
    Date of Patent: December 11, 1990
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Sanji Hagishita, Kaoru Seno, Susumu Kamata
  • Patent number: 4960909
    Abstract: 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: Grant
    Filed: March 23, 1989
    Date of Patent: October 2, 1990
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Sanji Hagishita, Kaoru Seno, Susumu Kamata, Nobuhiro Haga, Tatsuo Tsuri, Tadahiko Tsushima, Kenji Kawada
  • Patent number: 4916231
    Abstract: 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: Grant
    Filed: July 10, 1989
    Date of Patent: April 10, 1990
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Takaharu Matsuura, Sanji Hagishita, Kaoru Seno
  • Patent number: 4904819
    Abstract: 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: Grant
    Filed: April 28, 1988
    Date of Patent: February 27, 1990
    Assignee: Shionogi & Co., Ltd.
    Inventors: Sanji Hagishita, Kaoru Seno
  • Patent number: 4861913
    Abstract: 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: Grant
    Filed: November 5, 1986
    Date of Patent: August 29, 1989
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Sanji Hagishita, Kaoru Seno, Susumu Kamata, Nobuhiro Haga, Tatsuo Tsuri, Tadahiko Tsushima, Kenji Kawada