Patents by Inventor Keiko Sujino

Keiko Sujino 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).

  • Process methods for phosphatidylinositol 3-kinase inhibitors
    Patent number: 10954199
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: March 23, 2021
    Assignee: Gilead Sciences, Inc.
    Inventors: Stacy Bremner, Jerry Evarts, Keiko Sujino, Duong Tran, Dragos Vizitiu
  • Polymorphic forms of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one
    Patent number: 10730879
    Abstract: Polymorphs of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are disclosed.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: August 4, 2020
    Assignee: Gilead Calistoga LLC
    Inventors: Ernest Carra, Michael Gerber, Bing Shi, Keiko Sujino, Duong Tran, Fang Wang, Jerry B. Evarts
  • PROCESS METHODS FOR PHOSPHATIDYLINOSITOL 3-KINASE INHIBITORS
    Publication number: 20200102277
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Application
    Filed: August 6, 2019
    Publication date: April 2, 2020
    Inventors: Stacy BREMNER, Jerry EVARTS, Keiko SUJINO, Duong TRAN, Dragos VIZITIU
  • PROCESSES AND INTERMEDIATES FOR PREPARING ANTI-HIV AGENTS
    Publication number: 20190359644
    Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare compounds having useful anti-HIV properties.
    Type: Application
    Filed: December 20, 2018
    Publication date: November 28, 2019
    Inventors: Richard Hung Chiu Yu, Brandon Heath Brown, Richard P. Polniaszek, Benjamin R. Graetz, Keiko Sujino, Duong Tran, Alan Scott Triman, Kenneth M. Kent, Steven Pfeiffer
  • Process methods for phosphatidylinositol 3-kinase inhibitors
    Patent number: 10414737
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: September 17, 2019
    Assignee: Gilead Sciences, Inc.
    Inventors: Stacy Bremner, Jerry B. Evarts, Keiko Sujino, Duong Tran, Dragos Vizitiu
  • Processes and intermediates for preparing anti-HIV agents
    Patent number: 10196419
    Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare compounds having useful anti-HIV properties.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: February 5, 2019
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Hung Chiu Yu, Brandon Heath Brown, Richard P. Polniaszek, Benjamin R. Graetz, Keiko Sujino, Duong Tran, Alan Scott Triman, Kenneth M. Kent, Steven Pfeiffer
  • PROCESS METHODS FOR PHOSPHATIDYLINOSITOL 3-KINASE INHIBITORS
    Publication number: 20190031626
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Application
    Filed: July 2, 2018
    Publication date: January 31, 2019
    Inventors: Stacy BREMNER, Jerry B. EVARTS, Keiko SUJINO, Duong TRAN, Dragos VIZITIU
  • Process for preparing phosphatidylinositol 3-kinase inhibitors and intermediates thereof
    Patent number: 10059677
    Abstract: A process for the synthesis of benzoxazinone containing compounds which may be useful precursors for synthesizing compounds for the treatment of cancer, is hereby disclosed.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: August 28, 2018
    Assignee: Gilead Calistoga LLC
    Inventors: Stacy Bremner, Jerry Evarts, Keiko Sujino, Duong Tran, Dragos Vizitiu
  • Process methods for phosphatidylinositol 3-kinase inhibitors
    Patent number: 10047060
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: August 14, 2018
    Assignee: Gilead Calistoga LLC
    Inventors: Stacy Bremner, Jerry Evarts, Keiko Sujino, Duong Tran, Dragos Vizitiu
  • PROCESS METHODS FOR PHOSPHATIDYLINOSITOL 3-KINASE INHIBITORS
    Publication number: 20180162826
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Application
    Filed: November 17, 2017
    Publication date: June 14, 2018
    Inventors: Stacy BREMNER, Jerry EVARTS, Keiko SUJINO, Duong TRAN, Dragos VIZITIU
  • PROCESSES AND INTERMEDIATES FOR PREPARING ANTI-HIV AGENTS
    Publication number: 20180079773
    Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare compounds having useful anti-HIV properties.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 22, 2018
    Inventors: Richard Hung Chiu Yu, Brandon Heath Brown, Richard P. Polniaszek, Benjamin R. Graetz, Keiko Sujino, Duong Tran, Alan Scott Triman, Kenneth M. Kent, Steven Pfeiffer
  • Processes and intermediates for preparing anti-HIV agents
    Patent number: 9783567
    Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare compounds having useful anti-HIV properties.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: October 10, 2017
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Hung Chiu Yu, Brandon Heath Brown, Richard P. Polniaszek, Benjamin R. Graetz, Keiko Sujino, Duong Tran, Alan Scott Triman, Kenneth M. Kent, Steven Pfeiffer
  • PROCESS METHODS FOR PHOSPHATIDYLINOSITOL 3-KINASE INHIBITORS
    Publication number: 20170107187
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Application
    Filed: December 28, 2016
    Publication date: April 20, 2017
    Inventors: Stacy BREMNER, Jerry EVARTS, Keiko SUJINO, Duong TRAN, Dragos VIZITIU
  • Process methods for phosphatidylinositol 3-kinase inhibitors
    Patent number: 9567337
    Abstract: A process for the synthesis of quinazolinone containing compounds which may be useful for the treatment of cancer, is hereby disclosed. In addition, compound intermediates relating to these processes are also disclosed.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: February 14, 2017
    Inventors: Stacy Bremner, Jerry Evarts, Keiko Sujino, Duong Tran, Dragos Vizitiu
  • POLYMORPHIC FORMS OF (S)-2-(1-(9H-PURIN-6-YLAMINO)PROPYL)-5-FLUORO-3-PHENYLQUINAZOLIN-4(3H)-ONE
    Publication number: 20160376274
    Abstract: Polymorphs of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are disclosed.
    Type: Application
    Filed: September 6, 2016
    Publication date: December 29, 2016
    Inventors: Ernest Carra, Michael Gerber, Bing Shi, Keiko Sujino, Duong Tran, Fang Wang, Jerry Evarts
  • PROCESSES AND INTERMEDIATES FOR PREPARING ANTI-HIV AGENTS
    Publication number: 20160340379
    Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare compounds having useful anti-HIV properties.
    Type: Application
    Filed: February 17, 2016
    Publication date: November 24, 2016
    Inventors: RICHARD HUNG CHIU YU, Brandon Heath Brown, Richard P. Polniaszek, Benjamin R. Graetz, Keiko Sujino, Duong Tran, Alan Scott Triman, Kenneth M. Kent, Steven Pfeiffer
  • Polymorphic forms of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one
    Patent number: 9469643
    Abstract: Polymorphs of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are disclosed.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: October 18, 2016
    Assignee: Gilead Calistoga, LLC.
    Inventors: Ernest Carra, Michael Gerber, Bing Shi, Keiko Sujino, Duong Tran, Fang Wang, Jerry B. Evarts
  • Processes and intermediates for preparing anti-HIV agents
    Patent number: 9296779
    Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare compounds having useful anti-HIV properties.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: March 29, 2016
    Assignee: GILEAD SCIENCES, INC.
    Inventors: Richard Hung Chiu Yu, Brandon Heath Brown, Richard P. Polniaszek, Benjamin R. Graetz, Keiko Sujino, Duong Duc-Phi Tran, Alan Scott Triman, Kenneth M. Kent, Steven Pfeiffer
  • Methods of synthesizing pharmaceutical salts of a factor Xa inhibitor
    Patent number: 9221758
    Abstract: Novel methods of preparing a compound of Formula I which is an inhibitor of Factor Xa and its maleate salt, are described herein.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: December 29, 2015
    Assignee: Millennium Pharmaceuticals, Inc.
    Inventors: Robert M. Scarborough, James P. Kanter, Keiko Sujino, Sharique Sami Zuberi
  • PROCESSES AND INTERMEDIATES FOR PREPARING ANTI-HIV AGENTS
    Publication number: 20150203525
    Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare compounds having useful anti-HIV properties.
    Type: Application
    Filed: February 5, 2015
    Publication date: July 23, 2015
    Inventors: Richard Hung Chiu YU, Brandon Heath BROWN, Richard P. POLNIASZEK, Benjamin R. GRAETZ, Keiko SUJINO, Duong Duc-Phi TRAN, Alan Scott TRIMAN, Kenneth M. KENT, Steven PFEIFFER