Patents by Inventor Hiroko Masamune

Hiroko Masamune 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: 20240043459
    Abstract: Disclosed herein are methods of crystallizing the compound of Formula I, as well as crystalline forms thereof. Crystalline forms of Formula I disclosed include the TBME solvate crystalline form, toluene solvate crystalline form, ethanol solvate crystalline form, THF solvate crystalline form, EtOAc solvate crystalline form, acetone solvate crystalline form and crystalline Form C.
    Type: Application
    Filed: October 13, 2023
    Publication date: February 8, 2024
    Inventors: Brian Lian, Hiroko Masamune, Geoffrey Barker
  • Patent number: 11787828
    Abstract: Disclosed herein are methods of crystallizing the compound of Formula I, as well as crystalline forms thereof. Crystalline forms of Formula I disclosed include the TBME solvate crystalline form, toluene solvate crystalline form, ethanol solvate crystalline form, THF solvate crystalline form, EtOAc solvate crystalline form, acetone solvate crystalline form and crystalline Form C.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: October 17, 2023
    Assignee: Viking Therapeutics, Inc.
    Inventors: Brian Lian, Hiroko Masamune, Geoffrey Barker
  • Patent number: 11707472
    Abstract: The present disclosure is directed to methods of treating fibrotic conditions by administration of TR? agonists. The disclosure provides methods wherein the abnormal deposition of extracellular matrix components, such as collagen, keratin, or elastin, is reduced, either through interaction of TR? agonists with TGF-?-dependent inflammatory pathways, or by other mechanisms, thereby ameliorating fibrotic symptoms.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: July 25, 2023
    Assignee: Viking Therapeutics, Inc.
    Inventors: Brian Lian, Hiroko Masamune, Geoffrey E. Barker
  • Publication number: 20230102580
    Abstract: Provided are isotopically-labelled Trapidil derivatives useful for the treatment of Parkinson's disease and movement disorders associated with Parkinson's disease. The isotopically-labelled Trapidil derivatives include deuterated Trapidil derivatives. Additionally provided are combination therapies of isotopically-labelled Trapidil derivatives and additional therapeutic agents for the treatment of Parkinson's disease and movement disorders associated with Parkinson's disease.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 30, 2023
    Inventors: Aarash BORDBAR, Warren S. WADE, Hiroko MASAMUNE
  • Publication number: 20220016137
    Abstract: The present disclosure is directed to methods of treating fibrotic conditions and inflammation by administration of TR? agonists. The disclosure provides methods wherein the abnormal deposition of extracellular matrix components, such as collagen, keratin, or elastin, is reduced, either through interaction of TR? agonists with TGF-?-dependent inflammatory pathways, or by other mechanisms, thereby ameliorating fibrotic symptoms.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 20, 2022
    Inventors: Brian Lian, Hiroko Masamune, Geoffrey E. Barker
  • Publication number: 20220016136
    Abstract: The present disclosure is directed toward the use of thyroid receptor agonists of pharmaceutically acceptable salts thereof, in combination with a second pharmaceutical agent for preventing, treating, or ameliorating fatty liver diseases such as steatosis, non-alcoholic fatty liver disease, and non-alcoholic steatohepatitis.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 20, 2022
    Inventors: Brian Lian, Hiroko Masamune
  • Publication number: 20210024554
    Abstract: Disclosed herein are methods of crystallizing the compound of Formula I, as well as crystalline forms thereof. Crystalline forms of Formula I disclosed include the TBME solvate crystalline form, toluene solvate crystalline form, ethanol solvate crystalline form, THF solvate crystalline form, EtOAc solvate crystalline form, acetone solvate crystalline form and crystalline Form C.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 28, 2021
    Inventors: Brian Lian, Hiroko Masamune, Geoffrey Barker
  • Publication number: 20200179412
    Abstract: The present disclosure is directed to methods of treating fibrotic conditions by administration of TR? agonists. The disclosure provides methods wherein the abnormal deposition of extracellular matrix components, such as collagen, keratin, or elastin, is reduced, either through interaction of TR? agonists with TGF-?-dependent inflammatory pathways, or by other mechanisms, thereby ameliorating fibrotic symptoms.
    Type: Application
    Filed: June 4, 2018
    Publication date: June 11, 2020
    Inventors: Brian Lian, Hiroko Masamune, Geoffrey E. Barker
  • Publication number: 20190255080
    Abstract: The present disclosure is directed to methods of administration of thyroid hormone receptor agonists. The disclosure provides methods wherein the activity of the given thyroid receptor agonists in ameliorating or curing obesity, hyperlipidemia, hypercholesterolemia, diabetes, non-alcoholic fatty liver disease, non-alcoholic steatohepatitis, atherosclerosis, cardiovascular disease, hypothyroidism, and related disorders is maintained, while thyroid-related and thyroid axis-related side effects are reduced or eliminated.
    Type: Application
    Filed: September 13, 2017
    Publication date: August 22, 2019
    Inventors: Brian Lian, Hiroko Masamune, Mark Erion, Bruce Ito
  • Publication number: 20050171049
    Abstract: A3 agonists having Formula I are described herein as well as methods of using such A3 agonists and pharmaceutical compositions containing such A3 agonists. The A3 agonists are useful for the reduction of tissue damage resulting from tissue ischemia or hypoxia.
    Type: Application
    Filed: March 29, 2005
    Publication date: August 4, 2005
    Inventors: Michael DeNinno, Hiroko Masamune
  • Patent number: 6803457
    Abstract: A3 agonists, methods of using such A3 agonists and pharmaceutical compositions containing such A3 agonists. The A3 agonists are useful for the reduction of tissue damage resulting from tissue ischemia or hypoxia.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: October 12, 2004
    Assignee: Pfizer, Inc.
    Inventors: Michael P. DeNinno, Hiroko Masamune, Robert W. Scott
  • Publication number: 20040198693
    Abstract: A3 agonists, methods of using such A3 agonists and pharmaceutical compositions containing such A3 agonists. The A3 agonists are useful for the reduction of tissue damage resulting from tissue ischemia or hypoxia.
    Type: Application
    Filed: April 12, 2004
    Publication date: October 7, 2004
    Inventors: Michael P. DeNinno, Hiroko Masamune, Robert W. Scott
  • Publication number: 20030055021
    Abstract: A3 agonists having Formula I are described herein as well as methods of using such A3 agonists and pharmaceutical compositions containing such A3 agonists.
    Type: Application
    Filed: March 15, 2002
    Publication date: March 20, 2003
    Inventors: Michael P. DeNinno, Hiroko Masamune
  • Patent number: 6300316
    Abstract: This invention relates to compounds of the formula and to pharmaceutically acceptable salts thereof. The compounds of formula 1 are potent antibacterial and antiprotozoal agents that may be used to treat various bacterial and protozoal infections and disorders related to such infections. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of treating bacterial and protozoal infections by administering the compounds of formula 1.
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: October 9, 2001
    Assignee: Pfizer Inc
    Inventors: Katherine E. Brighty, Takushi Kaneko, Robert G. Linde, II, Hiroko Masamune, Paul R. McGuirk, Wei-Guo Su, Yong-Jin Wu, Bingwei V. Yang
  • Patent number: 6025350
    Abstract: This invention relates to compounds of the formula ##STR1## and to pharmaceutically acceptable salts thereof. The compounds of formula 1 are potent antibacterial and antiprotozoal agents that may be used to treat various bacterial and protozoal infections and disorders related to such infections. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of treating bacterial and protozoal infections by administering the compounds of formula 1.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: February 15, 2000
    Assignee: Pfizer Inc.
    Inventors: Hiroko Masamune, Wei-Guo Su, Bingwei V. Yang
  • Patent number: 5814651
    Abstract: This invention relates to 4-substituted catechol diether compounds which are selective inhibitors of phosphodiesterase (PDE) type IV. The compounds of the present invention are useful in inhibiting PDE.sub.IV and in the treatment of AIDS, asthma, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, dermatitis and other inflammatory diseases. This invention also relates to pharmaceutical compositions comprising the compounds hereof.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: September 29, 1998
    Assignee: Pfizer Inc.
    Inventors: Allen Jacob Duplantier, James Frederick Eggler, Anthony Marfat, Hiroko Masamune
  • Patent number: 5789408
    Abstract: Compounds of formula (I) are active antiviral compounds useful in the treatment of viral infections in mammals. The compounds of the invention are readily prepared by reaction of a suitable 2-thiothiazole derivative with an appropriate Het-(CH.sub.2).sub.n -halide.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: August 4, 1998
    Assignee: Pfizer Inc.
    Inventors: Edward Fox Kleinman, Hiroko Masamune, Vinod Dipak Parikh
  • Patent number: 5502072
    Abstract: The present invention relates to novel substituted oxindoles of the formula I as defined below and related compounds, pharmaceutical compositions comprising such compounds, and the use of such compounds as inhibitors of phosphodiesterase ("PDE") type IV. The compounds of this invention are useful in the treatment of AIDS, asthma, rheumatoid arthritis, osteoarthritis, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, atopic, dermatitis, shock, other inflammatory diseases, and other conditions where the action of phosphodiesterase type IV is implicated.
    Type: Grant
    Filed: November 26, 1993
    Date of Patent: March 26, 1996
    Assignee: Pfizer Inc.
    Inventor: Hiroko Masamune
  • Patent number: 5384318
    Abstract: Compounds of the formula ##STR1## and pharmaceutical compositions comprising them, wherein R.sup.1, R.sup.2, R.sup.3, W, X and Z are as defined below. The compounds are inhibitors of 5-lipoxygenase enzyme and antagonists of leukotriene B4, leukotriene C4, leukotriene D4 and leukotriene E4.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: January 24, 1995
    Assignee: Pfizer Inc.
    Inventors: James F. Eggler, Anthony Marfat, Lawrence S. Melvin, Jr., Hiroko Masamune
  • Patent number: 5298512
    Abstract: Substituted chromans which by inhibiting 5-lipoxygenase enzyme are useful in the prevention or treatment of asthma, arthritis, psoriasis, ulcers, myocardial infarction, stroke and related disease states in mammals, pharmaceutical compositions thereof, a method of treatment therewith, and to intermediates useful in the synthesis thereof.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: March 29, 1994
    Assignee: Pfizer Inc.
    Inventors: James F. Eggler, Anthony Marfat, Hiroko Masamune, Lawrence S. Melvin, Jr.