Patents by Inventor Kouichi Uoto

Kouichi Uoto 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).

  • Publication number: 20220106324
    Abstract: A compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity is provided. The present invention provides a dispiropyrrolidine derivative represented by the following formula (1), which has various substituents, inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity, wherein R1, R2, R3, ring A, and ring B in formula (1) respectively have the same meanings as defined in the specification.
    Type: Application
    Filed: April 19, 2021
    Publication date: April 7, 2022
    Inventors: Yuuichi SUGIMOTO, Kouichi UOTO, Takanori WAKABAYASHI, Masaki MIYAZAKI, Masaki SETOGUCHI, Toru TANIGUCHI, Keisuke YOSHIDA, Akitake YAMAGUCHI, Shoko YOSHIDA
  • Publication number: 20170107207
    Abstract: The present invention is intended to provide a compound or a pharmacologically acceptable salt thereof which has an excellent inhibitory action on the ATPase activity of a TIP48/TIP49 complex and as such, is useful for the treatment of tumors. [Solution] The present invention provides a compound having a structure represented by the general formula (I) or a pharmacologically acceptable salt thereof, and a pharmaceutical composition comprising the compound. In the formula, R1, R2, R3, R4, R5, R6, R7, and W are as defined in the present specification.
    Type: Application
    Filed: February 17, 2015
    Publication date: April 20, 2017
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Masayuki Ebisawa, Takashi Suzuki, Noriyasu Haginoya, Tomoaki Hamada, Takeshi Murata, Kouichi Uoto, Ryo Murakami, Takehiko Takata
  • Publication number: 20140121196
    Abstract: A compound that inhibits interaction between, murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity is provided. The present invention provides a dispiropyrrolidine derivative represented by the following formula (1), which has various substituents, inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity, wherein R1, R2, R3, ring A, and ring B in formula (1) respectively have the same meanings as defined in the specification.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 1, 2014
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Yuuichi Sugimoto, Kouichi Uoto, Takanori Wakabayashi, Masaki Miyazaki, Masaki Setoguchi, Toru Taniguchi, Keisuke Yoshida, Akitake Yamaguchi, Shoko Yoshida
  • Patent number: 8629133
    Abstract: A compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity is provided. The present invention provides a dispiropyrrolidine derivative represented by the following formula (1), which has various substituents, inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity, wherein R1, R2, R3, ring A, and ring B in formula (1) respectively have the same meanings as defined in the specification.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: January 14, 2014
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Yuuichi Sugimoto, Kouichi Uoto, Takanori Wakabayashi, Masaki Miyazaki, Masaki Setoguchi, Toru Taniguchi, Keisuke Yoshida, Akitake Yamaguchi, Shoko Yoshida
  • Publication number: 20130165424
    Abstract: A compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity is provided. The present invention provides a dispiropyrrolidine derivative represented by the following formula (1), which has various substituents, inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity, wherein R1, R2, R3, ring A, and ring B in formula (1) respectively have the same meanings as defined in the specification.
    Type: Application
    Filed: March 9, 2012
    Publication date: June 27, 2013
    Inventors: Yuuichi Sugimoto, Kouichi Uoto, Takanori Wakabayashi, Masaki Miyazaki, Masaki Setoguchi, Toru Taniguchi, Keisuke Yoshida, Akitake Yamaguchi, Shoko Yoshida
  • Patent number: 8404691
    Abstract: There is provided compounds that inhibit interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity. Compounds include imidazothiazole derivatives that can inhibit interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: March 26, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Kouichi Uoto, Yuuichi Sugimoto, Hiroyuki Naito, Masaki Miyazaki, Keisuke Yoshida, Masashi Aonuma
  • Publication number: 20120264738
    Abstract: A compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity is provided. The present invention provides a dispiropyrrolidine derivative represented by the following formula (1), which has various substituents, inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity, wherein R1, R2, R3, ring A, and ring B in formula (1) respectively have the same meanings as defined in the specification.
    Type: Application
    Filed: March 9, 2012
    Publication date: October 18, 2012
    Inventors: Yuuichi Sugimoto, Kouichi Uoto, Takanori Wakabayashi, Masaki Miyazaki, Masaki Setoguchi, Toru Taniguchi, Keisuke Yoshida, Akitake Yamaguchi, Shoko Yoshida
  • Publication number: 20110312990
    Abstract: A compound represented by the general formula (1): -Q1-Q2-T0-N(R1)-Q3-N(R2)-T1-Q4??(1) wherein R1 and R2 are hydrogen atoms or the like; Q1 is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q2 is a single bond or the like; Q3 is a group in which Q5 is an alkylene group having 1 to 8 carbon atoms, or the like; and T0 and T1 are carbonyl groups or the like; a salt thereof, a solvate thereof, or an N-oxide thereof.
    Type: Application
    Filed: December 13, 2010
    Publication date: December 22, 2011
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20110301176
    Abstract: There is provided compounds that inhibit interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity. Compounds include imidazothiazole derivatives that can inhibit interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity.
    Type: Application
    Filed: July 15, 2011
    Publication date: December 8, 2011
    Inventors: Kouichi Uoto, Yuuichi Sugimoto, Hiroyuki Naito, Masaki Miyazaki, Keisuke Yoshida, Masashi Aonuma
  • Publication number: 20110077266
    Abstract: The present invention relates to diamine compounds which inhibit activated blood coagulation factor X and exhibit an anticoagulant effect and there uses for treating various diseases based on thromboembolism.
    Type: Application
    Filed: May 21, 2010
    Publication date: March 31, 2011
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20100099660
    Abstract: A method for treating cerebral infarction, cerebral embolism, myocardial infarction, angina pectoris, pulmonary infarction, pulmonary embolism, Buerger's disease, deep venous thrombosis, disseminated intravascular coagulation syndrome, thrombus formation after artificial valve or joint replacement, thrombus formation and reocclusion after angioplasty, multiple organ dysfunction syndrome (MODS), thrombus formation during extracorporeal circulation, or blood clotting upon blood drawing is provided.
    Type: Application
    Filed: December 16, 2009
    Publication date: April 22, 2010
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20100093785
    Abstract: A compound represented by the general formula (1): -Q1-Q2-T0-N(R1)-Q3-(R2)T1Q4 ??(1) wherein R1 and R2 are hydrogen atoms or the like; Q1 is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q2 is a single bond or the like; Q3 is a group in which Q5 is an alkylene group having 1 to 8 carbon atoms, or the like; and T0 and T1 are carbonyl groups or the like; a salt thereof, a solvate thereof, or an N-oxide thereof.
    Type: Application
    Filed: December 30, 2008
    Publication date: April 15, 2010
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20090312310
    Abstract: There is provided a novel compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity. The present invention provides an imidazothiazole derivative represented by the following formula (1) having various substituents that inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity: wherein R1, R2, R3, R4, and R5 in the formula (1) each has the same meaning as defined in the specification.
    Type: Application
    Filed: June 11, 2009
    Publication date: December 17, 2009
    Inventors: Haruko Kawato, Masaki Miyazaki, Yuuichi Sugimoto, Hiroyuki Naito, Tooru Okayama, Tsunehiko Soga, Kouichi Uoto
  • Publication number: 20090270446
    Abstract: The present invention relates to diamine compounds which inhibit activated blood coagulation factor X and exhibit an anticoagulant effect and there uses for treating various diseases based on thromboembolism.
    Type: Application
    Filed: March 6, 2009
    Publication date: October 29, 2009
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Patent number: 7576135
    Abstract: A compound represented by formula (1): Q1-Q2-T0-N(R1)-Q3-N(R2)-T1-Q4??(1) [wherein R1 and R2 are hydrogen atoms or the like; Q1 is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q2 is a single bond or the like; Q3 represents the following group: (wherein Q5 is an alkylene group having 1 to 8 carbon atoms, or the like); and T0 and T1 are carbonyl groups or the like], a salt thereof, a solvate thereof, or an N-oxide thereof.
    Type: Grant
    Filed: December 25, 2003
    Date of Patent: August 18, 2009
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20090186868
    Abstract: A compound represented by the general formula (1) [X1 and X2 represent hydrogen atom, a halogen atom, hydroxyl group and the like, R1 represents a phenyl group, R2 represents an alkyl group, an alkenyl group, or an alkoxy group, R3 represents hydrogen atom, a halogen atom, hydroxyl group, or an alkoxy group, R4 represents hydrogen atom, or an alkyl group, Z1 and Z2 represent hydrogen atom, a halogen atom, hydroxyl group and the like, Z3 represents cyano group, an alkyl group, an alkenyl group and the like, Z4 represents an alkyl group, an alkenyl group, an alkynyl group and the like, and represents a single bond or a double bond], which shows high antitumor effect against cancer cells including drug resistant cells.
    Type: Application
    Filed: October 24, 2006
    Publication date: July 23, 2009
    Applicant: Daiichi Sankyo Company Limited
    Inventors: Kouichi Uoto, Yasuyuki Takeda, Atsunobu Sakamoto, Yoshihiro Takayanagi
  • Patent number: 7342014
    Abstract: A compound represented by the general formula (1): Q1-Q2-T0-N(R1)-Q3-N(R2)-T1-Q4??(1) wherein R1 and R2 are hydrogen atoms or the like; Q1 is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q2 is a single bond or the like; Q3 is a group in which Q5 is an alkylene group having 1 to 8 carbon atoms, or the like; and T0 and T1 are carbonyl groups or the like; a salt thereof, a solvate thereof, or an N-oxide thereof.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: March 11, 2008
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20080015215
    Abstract: A compound represented by the general formula (1): Q1-Q2-T0-N(R1)-Q3-N(R2)-T1-Q4??(1) wherein R1 and R2 are hydrogen atoms or the like; Q1 is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q2 is a single bond or the like; Q3 is a group in which Q5 is an alkylene group having 1 to 8 carbon atoms, or the like; and T0 and T1 are carbonyl groups or the like; a salt thereof, a solvate thereof, or an N-oxide thereof.
    Type: Application
    Filed: September 6, 2007
    Publication date: January 17, 2008
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Tsutomu Nagata, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20060252837
    Abstract: A compound represented by formula (1): Q1-Q2-To-N(R1)-Q3-N(R2)-T1-Q4??(1) [wherein R1 and R2 are hydrogen atoms or the like; Q1 is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q2 is a single bond or the like; Q3 represents the following group: (wherein Q5 is an alkylene group having 1 to 8 carbon atoms, or the like); and T0 and T1 are carbonyl groups or the like], a salt thereof, a solvate thereof, or an N-oxide thereof.
    Type: Application
    Filed: December 25, 2003
    Publication date: November 9, 2006
    Applicant: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Toshiharu Ohta, Satoshi Komoriya, Toshiharu Yoshino, Kouichi Uoto, Yumi Nakamoto, Hiroyuki Naito, Akiyoshi Mochizuki, Hideyuki Kanno, Noriyasu Haginoya, Kenji Yoshikawa, Masatoshi Nagamochi, Syozo Kobayashi, Makoto Ono
  • Publication number: 20060189591
    Abstract: The present invention relates to a compound represented by formula (I): a salt of the compound, or a solvate of the compound or the salt; a drug containing any of the compounds, the salts, and the solvates; a preventive and/or therapeutic agent for an ischemic disease containing any of the compounds, the salts, and the solvates; and a platelet coagulation inhibitor containing any of the compounds, the salts, and the solvates. The compound of the present invention is useful as a strong platelet coagulation inhibitor without inhibiting COX-1 or COX-2.
    Type: Application
    Filed: April 20, 2004
    Publication date: August 24, 2006
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Toru Okayama, Kouichi Uoto, Takashi Ishiyama, Naoaki Kanaya, Youichi Kimura, Hiroaki Ishihara, Toshiyuki Watanabe, Kunihiko Fujii