Patents by Inventor Yasumichi Hitoshi

Yasumichi Hitoshi 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: 9005909
    Abstract: A method of sample analysis is provided. In certain embodiments, the method comprises: a) labeling cells of a blood sample using an antibody that specifically binds to phospho-AMPK or a phosphorylated target thereof, to produce a labeled sample; and b) measuring antibody binding by a population of blood cells of the labeled sample using flow cytometry. In particular embodiments, the method may further comprise, prior to the labeling step: contacting blood with a test agent ex vivo or in vivo; and comparing the evaluation to results obtained from a reference sample of blood cells.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: April 14, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Vadim Markovtsov, Yasumichi Hitoshi
  • Publication number: 20150087673
    Abstract: Disclosed are methods of using AMPK-activating compounds, for example, in the treatment of cancer and disorders of vascular flow. Also disclosed are biomarkers for AMPK and uses thereof, for example, in the diagnosis and treatment of AMPK-linked disorders. In certain embodiments, the AMPK-activating compounds have the structural formula wherein E, J, T, D1, D2, D3, the ring system denoted by “B”, T, R3, R4, w and x are as described herein.
    Type: Application
    Filed: September 26, 2014
    Publication date: March 26, 2015
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Yasumichi Hitoshi, Yonchu Jenkins, Vadim Markovtsov, Todd Kinsella, Tian-Qiang Sun
  • Patent number: 8987303
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 24, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Patent number: 8980921
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 17, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Publication number: 20140323460
    Abstract: Disclosed are uses of carboxamide, sulfonamide and amine compounds for the treatment and amelioration of disorders and conditions related to oxidative stress, mitochondrial dysfunction, free radical damage and metabolic inefficiency, among others. Also described are methods for increasing exercise endurance, exercise efficiency and aerobic workload using the compounds described herein.
    Type: Application
    Filed: July 7, 2014
    Publication date: October 30, 2014
    Inventors: Donald Payan, Yasumichi Hitoshi, Todd Kinsella
  • Publication number: 20140315884
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: July 8, 2014
    Publication date: October 23, 2014
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Patent number: 8809370
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 19, 2014
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Patent number: 8796254
    Abstract: Disclosed are uses of carboxamide, sulfonamide and amine compounds for the treatment and amelioration of disorders and conditions related to oxidative stress, mitochondrial dysfunction, free radical damage and metabolic inefficiency, among others. Also described are methods for increasing exercise endurance, exercise efficiency and aerobic workload using the compounds described herein.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: August 5, 2014
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Donald Payan, Yasumichi Hitoshi, Todd Kinsella
  • Patent number: 8791136
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: July 29, 2014
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Publication number: 20130338161
    Abstract: This invention is directed to methods of preventing, treating or managing cancer, preferably metastatic cancer, in a patient. The methods comprise administering an effective amount of an Axl inhibitor in combination with the administration of an effective amount of one or more chemotherapeutic agents.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 19, 2013
    Inventors: Yasumichi Hitoshi, Sacha Holland, Donald G. Payan
  • Publication number: 20130267701
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: March 13, 2013
    Publication date: October 10, 2013
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Publication number: 20130267702
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: March 13, 2013
    Publication date: October 10, 2013
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Patent number: 8546433
    Abstract: This invention is directed to methods of preventing, treating or managing cancer, preferably metastatic cancer, in a patient. The methods comprise administering an effective amount of an Axl inhibitor in combination with the administration of an effective amount of one or more chemotherapeutic agents.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: October 1, 2013
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Yasumichi Hitoshi, Sacha Holland, Donald G. Payan
  • Publication number: 20120178098
    Abstract: A method of sample analysis is provided. In certain embodiments, the method comprises: a) labeling cells of a blood sample using an antibody that specifically binds to phospho-AMPK or a phosphorylated target thereof, to produce a labeled sample; and b) measuring antibody binding by a population of blood cells of the labeled sample using flow cytometry. In particular embodiments, the method may further comprise, prior to the labeling step: contacting blood with a test agent ex vivo or in vivo; and comparing the evaluation to results obtained from a reference sample of blood cells.
    Type: Application
    Filed: December 21, 2011
    Publication date: July 12, 2012
    Inventors: Vadim Markovtsov, Yasumichi Hitoshi
  • Publication number: 20120028954
    Abstract: Disclosed are substituted pyridine compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure wherein E, J, T, the ring system denoted by “B”, T, R3, R4, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: July 29, 2011
    Publication date: February 2, 2012
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Dane Goff, Donald Payan, Rajinder Singh, Simon Shaw, David Carroll, Yasumichi Hitoshi
  • Publication number: 20110245222
    Abstract: Disclosed are uses of carboxamide, sulfonamide and amine compounds for the treatment and amelioration of disorders and conditions related to oxidative stress, mitochondrial dysfunction, free radical damage and metabolic inefficiency, among others. Also described are methods for increasing exercise endurance, exercise efficiency and aerobic workload using the compounds described herein.
    Type: Application
    Filed: March 31, 2011
    Publication date: October 6, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Donald Payan, Yasumichi Hitoshi, Todd Kinsella
  • Patent number: 7863222
    Abstract: As noted above, certain aspects of this disclosure relate to a library of nucleic acid vectors, as well as a method for making the same. In certain embodiments, the library of nucleic acid vectors comprises: a plurality of nucleic acid molecules of the following formula: S1—R—S2 wherein, in each nucleic acid of the plurality: S1 and S2 are each at least 15 nucleotides in length; S1 and S2 are complementary to each other along their entire length; either S1 or S2 is complementary along its entire length to a sequence in eukaryotic mRNA; and R is a six base recognition site for a restriction endonuclease; and wherein S1 and S2 vary in nucleotide sequence between different members of the plurality. A method for amplifying a circular nucleic acid is also provided.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: January 4, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Donald G. Payan, Mary Shen, Simon Yu, Todd M. Kinsella, Yasumichi Hitoshi
  • Publication number: 20100196511
    Abstract: This invention is directed to methods of preventing, treating or managing cancer, preferably metastatic cancer, in a patient. The methods comprise administering an effective amount of an Axl inhibitor in combination with the administration of an effective amount of one or more chemotherapeutic agents.
    Type: Application
    Filed: January 15, 2010
    Publication date: August 5, 2010
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Yasumichi Hitoshi, Sacha Holland, Donald G. Payan
  • Publication number: 20100029505
    Abstract: As noted above, certain aspects of this disclosure relate to a library of nucleic acid vectors, as well as a method for making the same. In certain embodiments, the library of nucleic acid vectors comprises: a plurality of nucleic acid molecules of the following formula: S1—R—S2 wherein, in each nucleic acid of the plurality: S1 and S2 are each at least 15 nucleotides in length; S1 and S2 are complementary to each other along their entire length; either S1 or S2 is complementary along its entire length to a sequence in eukaryotic mRNA; and R is a six base recognition site for a restriction endonuclease; and wherein S1 and S2 vary in nucleotide sequence between different members of the plurality. A method for amplifying a circular nucleic acid is also provided.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 4, 2010
    Inventors: Donald G. Payan, Mary Shen, Simon Yu, Todd M. Kinsella, Yasumichi Hitoshi
  • Publication number: 20090048214
    Abstract: The present disclosure provides methods for the inhibiting proliferation of tumor cells, and methods for treating solid tumor cancers in a subject by administration of 2,4-pyrimidinediamine compounds.
    Type: Application
    Filed: November 15, 2007
    Publication date: February 19, 2009
    Applicant: RIGEL PHARMACEUTICALS, INC
    Inventors: Yasumichi Hitoshi, Elliott Grossbard, Ankush Argade, Rajinder Singh, Hui Li, David Carroll, Susan Catalano