Patents by Inventor Esteban Masuda

Esteban Masuda 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: 9566278
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: February 14, 2017
    Assignee: RIGEL PHARMACEUTICALS, INC.
    Inventors: Rajinder Singh, Matthew Duncton, Jing Zhang, Salvador Alvarez, Kin Tso, Sacha Holland, Rose Yen, Rao Kolluri, Thilo Heckrodt, Yan Chen, Esteban Masuda, Hui Li, Donald G. Payan
  • Patent number: 9532998
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: January 3, 2017
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Somasekhar Bhamidipati, Esteban Masuda, Thomas Sun, Valentino J. Stella
  • Publication number: 20160367575
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, salts and hydrates of the prodrugs, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Application
    Filed: January 25, 2016
    Publication date: December 22, 2016
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Rajinder Singh, Thomas Sun, Esteban Masuda
  • Patent number: 9481654
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: November 1, 2016
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Kin Tso, Sambaiah Thota, David Carroll, Arvinder Sran, Robin Cooper, Rajinder Singh, Somasekhar Bhamidipati, Vanessa Taylor, Esteban Masuda
  • Publication number: 20160257681
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Application
    Filed: February 29, 2016
    Publication date: September 8, 2016
    Inventors: Rajinder Singh, Matthew Duncton, Jing Zhang, Salvador Alvarez, Kin Tso, Sacha Holland, Rose Yen, Rao Kolluri, Thilo Heckrodt, Yan Chen, Esteban Masuda, Hui Li, Donald G. Payan, Ryan Kelley
  • Publication number: 20160136191
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Application
    Filed: January 13, 2016
    Publication date: May 19, 2016
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Somasekhar Bhamidipati, Esteban Masuda, Thomas Sun, Valentino J. Stella
  • Patent number: 9321763
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: April 26, 2016
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Matthew Duncton, Jing Zhang, Salvador Alvarez, Kin Tso, Sacha Holland, Rose Yen, Rao Kolluri, Thilo Heckrodt, Yan Chen, Esteban Masuda, Hui Li, Donald G. Payan, Ryan Kelley
  • Patent number: 9283238
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, salts and hydrates of the prodrugs, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: March 15, 2016
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Rajinder Singh, Thomas Sun, Esteban Masuda
  • Publication number: 20160058760
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Application
    Filed: September 9, 2015
    Publication date: March 3, 2016
    Inventors: Rajinder Singh, Matthew Duncton, Jing Zhang, Salvador Alvarez, Kin Tso, Sacha Holland, Rose Yen, Rao Kolluri, Thilo Heckrodt, Yan Chen, Esteban Masuda, Hui Li, Donald G. Payan
  • Patent number: 9266912
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: February 23, 2016
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Somasekhar Bhamidipati, Esteban Masuda, Thomas Sun, Valentino J. Stella
  • Publication number: 20160024116
    Abstract: The present disclosure provides compounds that inhibit protein kinases, such as JAK, Axl, or Syk kinases, compositions comprising the compounds and methods of using the compounds to inhibit protein kinase and treat and/or prevent diseases associated with inappropriate kinase activity.
    Type: Application
    Filed: June 30, 2015
    Publication date: January 28, 2016
    Inventors: Pingyu Ding, Ankush Argade, Dane Goff, Rajinder Singh, Esteban Masuda, Vanessa Taylor, Sacha Holland
  • Patent number: 9181222
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: November 10, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sacha Holland, Rao Kolluri, Salvador Alvarez, Matthew Duncton, Rajinder Singh, Jing Zhang, Esteban Masuda
  • Publication number: 20150313899
    Abstract: Compounds and embodiments of a method for treating and/or preventing autoimmune diseases are disclosed. The method includes administering to a subject having an autoimmune disease, such as an inflammatory bowel disease, a therapeutically effective amount of a compound according to formula I wherein X and Y independently are O or NR1; each R1 is independently H or C1-C6 alkyl; ring A is aryl; each R2 independently is H, alkyl, alkoxy, amide, cyano, halo, haloalkyl, hydroxyalkyl, heteroalkyl, heterocyclyl, sulfonyl, sulfonamide, or two R2 groups, taken together with the atom or atoms to which they are attached, combine to form a 4-10 membered ring system; p is 0, 1, 2, 3, or 4; R3 and R4 independently are H or C1-C6 alkyl; and R5 is halo, cyano, or C1-C6 alkyl.
    Type: Application
    Filed: June 25, 2015
    Publication date: November 5, 2015
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Esteban Masuda, Rajinder Singh, Vanessa Taylor, Donald G. Payan
  • Publication number: 20150306100
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions that include these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Application
    Filed: May 14, 2015
    Publication date: October 29, 2015
    Inventors: Rao Kolluri, Esteban Masuda, Kin Tso, Salvador Alvarez, Thilo Heckrodt, Sacha Holland, Ryan Kelley, Matthew Duncton, Rajinder Singh, Darren McMurtrie
  • Patent number: 9169249
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: October 27, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Matthew Duncton, Jing Zhang, Salvador Alvarez, Kin Tso, Sacha Holland, Rose Yen, Rao Kolluri, Thilo Heckrodt, Yan Chen, Esteban Masuda, Hui Li, Donald G. Payan
  • Patent number: 9096542
    Abstract: The present disclosure provides compounds that inhibit protein kinases, such as JAK, Axl, or Syk kinases, compositions comprising the compounds and methods of using the compounds to inhibit protein kinase and treat and/or prevent diseases associated with inappropriate kinase activity.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: August 4, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Pingyu Ding, Ankush Argade, Dane Goff, Rajinder Singh, Esteban Masuda, Vanessa Taylor, Sacha Holland
  • Patent number: 9062068
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions that include these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: June 23, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rao Kolluri, Esteban Masuda, Kin Tso, Salvador Alvarez, Thilo Heckrodt, Sacha Holland, Ryan Kelley, Matthew Duncton, Rajinder Singh, Darren McMurtrie
  • Publication number: 20150158824
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: February 17, 2015
    Publication date: June 11, 2015
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Kin Tso, Sambaiah Thota, David Carroll, Arvinder Sran, Robin Cooper, Rajinder Singh, Somasekhar Bhamidipati, Vanessa Taylor, Esteban Masuda
  • Publication number: 20150133404
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, salts and hydrates of the prodrugs, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Application
    Filed: November 6, 2014
    Publication date: May 14, 2015
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Somasekhar Bhamidipati, Rajinder Singh, Thomas Sun, Esteban Masuda
  • Patent number: 8962643
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: February 24, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Kin Tso, Sambaiah Thota, David Carroll, Arvinder Sran, Robin Cooper, Rajinder Singh, Somasekhar Bhamidipati, Vanessa Taylor, Esteban Masuda