Patents by Inventor Kenji Morokuma

Kenji Morokuma 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: 20240092762
    Abstract: The present invention provides: a methyl 1-{2-[(3S,4R) -1-[(3R,4R)-1-cyclopentyl-3-fluoro-4-(4 -methoxyphenyl)pyrrolidine-3-carbonyl]-4 -(methoxymethyl)pyrrolidin-3-yl]-5 -(trifluoromethyl)phenyl}piperidine-4-carboxylate 1/2 ethane-1,2-disulfonic acid which is represented by formula (1) and is excellent in crystallinity; and a method for producing the same; and a production intermediate thereof; and a production method using this compound.
    Type: Application
    Filed: October 31, 2023
    Publication date: March 21, 2024
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Joji TSURUMOTO, Kenji MOROKUMA
  • Patent number: 11845738
    Abstract: The present invention provides: a methyl 1-{2-[(3S,4R)-1-[(3R,4R)-1-cyclopentyl-3-fluoro-4-(4-methoxyphenyl)pyrrolidine-3-carbonyl]-4-(methoxymethyl)pyrrolidin-3-yl]-5-(trifluoromethyl)phenyl}piperidine-4-carboxylate 1/2 ethane-1,2-disulfonic acid which is represented by formula (1) and is excellent in crystallinity; and a method for producing the same; and a production intermediate thereof; and a production method using this compound.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: December 19, 2023
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Joji Tsurumoto, Kenji Morokuma
  • Publication number: 20220362386
    Abstract: Disclosed herein are liquid pharmaceutical formulations comprising levodopa amino acid conjugates that may further comprise a decarboxylase inhibitor, such as carbidopa, an antioxidant, a solvent, or any other pharmaceutically acceptable excipient. Further disclosed are methods of treating generative conditions and/or conditions characterized by reduced levels of dopamine in the brain, such as Parkinson's disease, comprising administering the disclosed liquid pharmaceutical formulations. Disclosed also are LDAA conjugate compounds.
    Type: Application
    Filed: September 3, 2020
    Publication date: November 17, 2022
    Inventors: Kenji Morokuma, Daisuke Iijima, Masataka Okuno, Akira Nakao, Liora Braiman-Wiksman, Elana Gazal, Ronit Shaltiel-Karyo, Alex Mainfeld, Eduardo Zawoznik, Shmuel Ben-Hamo
  • Publication number: 20210300902
    Abstract: The present invention provides: a methyl 1-{2-[(3S,4R)-1-[(3R,4R)-1-cyclopentyl-3-fluoro-4-(4-methoxyphenyl)pyrrolidine-3-carbonyl]-4-(methoxymethyl)pyrrolidin-3-yl]-5-(trifluoromethyl)phenyl}piperidine-4-carboxylate 1/2 ethane-1,2-disulfonic acid which is represented by formula (1) and is excellent in crystallinity; and a method for producing the same; and a production intermediate thereof; and a production method using this compound.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 30, 2021
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Joji TSURUMOTO, Kenji MOROKUMA
  • Patent number: 11053217
    Abstract: The present invention provides: a methyl 1-{2-[(3S,4R)-1-[(3R,4R)-1-cyclopentyl-3-fluoro-4-(4-methoxyphenyl)pyrrolidine-3-carbonyl]-4-(methoxymethyl)pyrrolidin-3-yl]-5-(trifluoromethyl)phenyl}piperidine-4-carboxylate 1/2 ethane-1,2-disulfonic acid which is represented by formula (1) and is excellent in crystallinity; and a method for producing the same; and a production intermediate thereof; and a production method using this compound.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: July 6, 2021
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Joji Tsurumoto, Kenji Morokuma
  • Publication number: 20200239440
    Abstract: The present invention provides: a methyl 1-{2-[(3S,4R)-1-[(3R,4R)-1-cyclopentyl-3-fluoro-4-(4-methoxyphenyl) pyrrolidine-3-carbonyl]-4-(methoxymethyl)pyrrolidin-3-yl]-5-(trifluoromethyl) phenyl}piperidine-4-carboxylate 1/2 ethane-1,2-disulfonic acid which is represented by formula (1) and is excellent in crystallinity; and a method for producing the same; and a production intermediate thereof; and a production method using this compound.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 30, 2020
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Joji TSURUMOTO, Kenji MOROKUMA
  • Patent number: 10407408
    Abstract: Provided is a novel low-molecular-weight compound that suppresses production of induction type MMPs, particularly MMP-9, rather than production of hemostatic type MMP-2. The present invention relates to a compound represented by the following formula (I): wherein each symbol is as described in the DESCRIPTION. The compound has a selective MMP-9 production suppressive action, and is useful as a drug for the prophylaxis and/or treatment of autoimmune diseases such as rheumatoid arthritis and the like, inflammatory bowel diseases (ulcerative colitis, Crohn's disease) or osteoarthritis.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: September 10, 2019
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Seigo Ishibuchi, Kunio Saruta, Maiko Hamada, Nobuatsu Matoba, Tetsuji Matsudaira, Maki Seki, Akiko Tarao, Takashi Honjo, Shingo Ogata, Atsushi Kawata, Kenji Morokuma, Naoto Fujie, Yukio Aoyama
  • Publication number: 20190077787
    Abstract: Provided is a novel low-molecular-weight compound that suppresses production of induction type MMPs, particularly MMP-9, rather than production of hemostatic type MMP-2. The present invention relates to a compound represented by the following formula (I): wherein each symbol is as described in the DESCRIPTION. The compound has a selective MMP-9 production suppressive action, and is useful as a drug for the prophylaxis and/or treatment of autoimmune diseases such as rheumatoid arthritis and the like, inflammatory bowel diseases (ulcerative colitis, Crohn's disease) or osteoarthritis.
    Type: Application
    Filed: July 8, 2016
    Publication date: March 14, 2019
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Seigo ISHIBUCHI, Kunio SARUTA, Maiko HAMADA, Nobuatsu MATOBA, Tetsuji MATSUDAIRA, Maki SEKI, Akiko TARAO, Takashi HONJO, Shingo OGATA, Atsushi KAWATA, Kenji MOROKUMA, Naoto FUJIE, Yukio AOYAMA
  • Patent number: 9981960
    Abstract: The present invention relates to a novel pyrrolidine compound having melanocortin receptor agonist activity or a pharmaceutically acceptable salt thereof, and to pharmaceutical applications thereof. The present invention relates to a pyrrolidine derivative represented by formula [I], wherein ring A represents an optionally substituted aryl group or the like; R1 represents an optionally substituted alkyl group or the like; R2 represents a halogen atom or the like; and R3 is an alkyl group substituted with an optionally substituted aryl group or the like, and R4 is a hydrogen atom or the like; or R3 and R4 are terminally attached to each other, and together with the nitrogen atom to which they are attached, form an optionally substituted nitrogen-containing aliphatic heterocyclic ring that may partially contain a double bond; or to a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: May 29, 2018
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Yasuo Yamamoto, Atsushi Sato, Kenji Morokuma, Hiroaki Shitama, Takashi Adachi, Masahiko Miyashiro
  • Patent number: 9975871
    Abstract: This is to provide a continuous arycyclic compound having a DGAT1 inhibitory activity, and useful for prophylaxis and/or treatment of obesity or hyperlipidemia caused by obesity, hypertriglyceridemia, lipid metabolism disorder, fatty liver, hypertension, arteriosclerosis, diabetes, etc., as well as to provide a DGAT1 inhibitor comprising the continuous arycyclic compound or a pharmaceutically acceptable salt thereof as an effective ingredient. Disclosed is the continuous arycyclic compound is represented by the formula: wherein the substituents in the formula are the same as defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: May 22, 2018
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Osamu Sakurai, Kunio Saruta, Norimitsu Hayashi, Takashi Goi, Kenji Morokuma, Hidekazu Tsujishima, Hiroaki Sawamoto, Hiroaki Shitama, Ritsuo Imashiro
  • Publication number: 20170190697
    Abstract: The present invention relates to a novel pyrrolidine compound having melanocortin receptor agonist activity or a pharmaceutically acceptable salt thereof, and to pharmaceutical applications thereof. The present invention relates to a pyrrolidine derivative represented by formula [I], wherein ring A represents an optionally substituted aryl group or the like; R1 represents an optionally substituted alkyl group or the like; R2 represents a halogen atom or the like; and R3 is an alkyl group substituted with an optionally substituted aryl group or the like, and R4 is a hydrogen atom or the like; or R3 and R4 are terminally attached to each other, and together with the nitrogen atom to which they are attached, form an optionally substituted nitrogen-containing aliphatic heterocyclic ring that may partially contain a double bond; or to a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 28, 2015
    Publication date: July 6, 2017
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Yasuo YAMAMOTO, Atsushi SATO, Kenji MOROKUMA, Hiroaki SHITAMA, Takashi ADACHI, Masahiko MIYASHIRO
  • Publication number: 20160272614
    Abstract: This is to provide a continuous arycyclic compound having a DGAT1 inhibitory activity, and useful for prophylaxis and/or treatment of obesity or hyperlipidemia caused by obesity, hypertriglyceridemia, lipid metabolism disorder, fatty liver, hypertension, arteriosclerosis, diabetes, etc., as well as to provide a DGAT1 inhibitor comprising the continuous arycyclic compound or a pharmaceutically acceptable salt thereof as an effective ingredient. Disclosed is the continuous arycyclic compound is represented by the formula: wherein the substituents in the formula are the same as defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 22, 2016
    Publication date: September 22, 2016
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Osamu SAKURAI, Kunio SARUTA, Norimitsu HAYASHI, Takashi GOI, Kenji MOROKUMA, Hidekazu TSUJISHIMA, Hiroaki SAWAMOTO, Hiroaki SHITAMA, Ritsuo IMASHIRO
  • Patent number: 9302996
    Abstract: This is to provide a continuous arycyclic compound having a DGAT1 inhibitory activity, and useful for prophylaxis and/or treatment of obesity or hyperlipidemia caused by obesity, hypertriglyceridemia, lipid metabolism disorder, fatty liver, hypertension, arteriosclerosis, diabetes, etc., as well as to provide a DGAT1 inhibitor comprising the continuous arycyclic compound or a pharmaceutically acceptable salt thereof as an effective ingredient. Disclosed is the continuous arycyclic compound is represented by the formula: wherein the substituents in the formula are the same as defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: April 5, 2016
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Osamu Sakurai, Kunio Saruta, Norimitsu Hayashi, Takashi Goi, Kenji Morokuma, Hidekazu Tsujishima, Hiroaki Sawamoto, Hiroaki Shitama, Ritsuo Imashiro
  • Publication number: 20130261128
    Abstract: This is to provide a continuous arycyclic compound having a DGAT1 inhibitory activity, and useful for prophylaxis and/or treatment of obesity or hyperlipidemia caused by obesity, hypertriglyceridemia, lipid metabolism disorder, fatty liver, hypertension, arteriosclerosis, diabetes, etc., as well as to provide a DGAT1 inhibitor comprising the continuous arycyclic compound or a pharmaceutically acceptable salt thereof as an effective ingredient. Disclosed is the continuous arycyclic compound is represented by the formula: wherein the substituents in the formula are the same as defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 16, 2011
    Publication date: October 3, 2013
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Osamu Sakurai, Kunio Saruta, Norimitsu Hayashi, Takashi Goi, Kenji Morokuma, Hidekazu Tsujishima, Hiroaki Sawamoto, Hiroaki Shitama, Ritsuo Imashiro