Patents by Inventor Duong Tran

Duong Tran 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: 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
  • Publication number: 20190162838
    Abstract: Method of slowly moving target detection with application for coastal surveillance radars. This method improves the well know other methods and efficiently detects targets with a high accuracy. The proposed method consists of three steps that are: step of generation and processing of signals with complex modulation; step of target clustering and step of detection of slowly moving targets in clutter environments.
    Type: Application
    Filed: November 23, 2018
    Publication date: May 30, 2019
    Applicant: VIETTEL GROUP
    Inventors: Hoai Nam Luu, Vu Hop Tran, Xuan Hoang Dong, Duc Duong Nguyen, Trung Duc Le
  • Patent number: 10277138
    Abstract: Provided is an active clamp full bridge converter, which includes: a transformer having a primary coil and a secondary coil and configured to convert a voltage; a primary circuit connected to an input capacitor for supplying an input power and including a full bridge circuit having first to fourth switches to transmit the input power to the primary coil according to a switching operation of the first to fourth switches; and a secondary circuit connected to the secondary coil and including a rectifying bridge circuit having first to fourth diodes, an active clamp circuit connected to the rectifying bridge circuit and composed of an active clamp switch and a clamping capacitor connected in series, and an output inductor connected to the active clamp circuit, to transmit an energy received from the primary circuit by the transformer to an output capacitor connected to the output inductor and the active clamp circuit.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: April 30, 2019
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Woojin Choi, Duong Tran Dai
  • 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
  • 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
  • Publication number: 20190028035
    Abstract: Provided is an active clamp full bridge converter, which includes: a transformer having a primary coil and a secondary coil and configured to convert a voltage; a primary circuit connected to an input capacitor for supplying an input power and including a full bridge circuit having first to fourth switches to transmit the input power to the primary coil according to a switching operation of the first to fourth switches; and a secondary circuit connected to the secondary coil and including a rectifying bridge circuit having first to fourth diodes, an active clamp circuit connected to the rectifying bridge circuit and composed of an active clamp switch and a clamping capacitor connected in series, and an output inductor connected to the active clamp circuit, to transmit an energy received from the primary circuit by the transformer to an output capacitor connected to the output inductor and the active clamp circuit.
    Type: Application
    Filed: November 23, 2016
    Publication date: January 24, 2019
    Inventors: Woojin CHOI, Duong TRAN DAI
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20180009811
    Abstract: Polymorphs of a hydrochloride salt 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. Solvent forms of a hydrochloride salt 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 also disclosed.
    Type: Application
    Filed: June 16, 2017
    Publication date: January 11, 2018
    Inventors: Suzanne BUTTAR, Ernest CARRA, Tracy EHIWE, Duong TRAN, Fang WANG, Christopher WORRALL, Jerry Evarts
  • 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
  • Patent number: 9708327
    Abstract: Polymorphs of a hydrochloride salt 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. Solvent forms of a hydrochloride salt 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 also disclosed.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: July 18, 2017
    Assignee: GILEAD CALISTOGA LLC
    Inventors: Suzanne Buttar, Ernest Carra, Tracy Ehiwe, Duong Tran, Fang Wang, Christopher Worrall, Jerry Evarts
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 9428473
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: August 30, 2016
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Douglas Cordeau, Leah Easton-Scott
  • Publication number: 20160002186
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: July 14, 2015
    Publication date: January 7, 2016
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Douglas Cordeau, Leah Easton-Scott