Patents by Inventor Lijing Chen

Lijing Chen 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).

  • Compositions and methods for inhibiting arginase activity
    Patent number: 10597411
    Abstract: The disclosure relates to a novel class of compounds that exhibit activity inhibitory activity toward arginase, and pharmaceutical compositions comprising the compounds of the disclosure. Also provided herein are methods of treating cancer with the arginase inhibitors of the disclosure.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 24, 2020
    Assignee: Calithera Biosciences, Inc.
    Inventors: Eric B. Sjogren, Jim Li, Lijing Chen, Roland J. Billedeau, Timothy F. Stanton, Michael Van Zandt, Darren Whitehouse, Gunnar E. Jagdmann, Jr., Lene Raunkjær Petersen
  • Ectonucleotidase Inhibitors and Methods of Use Thereof
    Publication number: 20200087310
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treating or preventing cancer using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: September 27, 2019
    Publication date: March 19, 2020
    Inventors: Lijing Chen, Jim Li, Eric B. Sjogren, Roland J. Billedeau
  • Ectonucleotidase inhibitors and methods of use thereof
    Patent number: 10570167
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treating or preventing cancer using the novel heterocyclic compounds of the invention.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 25, 2020
    Assignee: Calithera Biosciences, Inc.
    Inventors: Roland J. Billedeau, Jim Li, Lijing Chen
  • ECTONUCLEOTIDASE INHIBITORS AND METHODS OF USE THEREOF
    Publication number: 20190389899
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treating or preventing cancer using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: June 20, 2019
    Publication date: December 26, 2019
    Inventors: Lijing Chen, Roland Joseph Billedeau, Jin Li
  • Ectonucleotidase inhibitors and methods of use thereof
    Patent number: 10472364
    Abstract: The invention relates to novel heterocyclic compounds having CD73 inhibitory activity and pharmaceutical preparations thereof. The invention further relates to methods of treating or preventing cancer using the novel heterocyclic compounds of the invention.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 12, 2019
    Assignee: Calithera Biosciences, Inc.
    Inventors: Lijing Chen, Jim Li, Eric B. Sjogren, Roland J. Billedeau
  • COMPOSITIONS AND METHODS FOR INHIBITING ARGINASE ACTIVITY
    Publication number: 20190330244
    Abstract: The disclosure relates to a novel class of compounds that exhibit activity inhibitory activity toward arginase, and pharmaceutical compositions comprising the compounds of the disclosure. Also provided herein are methods of treating cancer with the arginase inhibitors of the disclosure.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 31, 2019
    Inventors: Eric B. SJOGREN, Jim LI, Lijing CHEN, Roland J. BILLEDEAU, Timothy F. STANTON, Michael VAN ZANDT, Darren WHITEHOUSE, Gunnar E. JAGDMANN, JR., Lene Raunkjær PETERSEN
  • HETEROCYCLIC INHIBITORS OF GLUTAMINASE
    Publication number: 20190315733
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treatment using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: May 3, 2019
    Publication date: October 17, 2019
    Inventors: Jim Li, Lijing Chen, Bindu Goyal, Guy Laidig, Timothy F. Stanton, Eric B. Sjogren
  • METHOD AND SYSTEM ENCRYPTING AND DECRYPTING AUDIO/VIDEO FILE
    Publication number: 20190238795
    Abstract: An encrypting and decrypting method applied to a system including at least one camera device and a hard disk video decoder includes: transmitting a handshake signal to the camera device which supports an encryption function and has selected the encryption function, wherein the handshake signal includes first identifier information uniquely corresponding to a chip of the hard disk video recorder; receiving the handshake signal; generating a key according to the first identifier information of the hard disk video recorder in the handshake signal and second identifier information uniquely corresponding to a chip of the camera device; encrypting an audio/video file recorded by the camera device according to the key to generate an encrypted audio/video file bitstream; and receiving and decrypting the encrypted audio/video file bitstream.
    Type: Application
    Filed: November 13, 2018
    Publication date: August 1, 2019
    Inventor: LIJING CHEN
  • METHOD AND SYSTEM FOR AUTHORIZING SOFTWARE IN ELECTRONIC DEVICE
    Publication number: 20190205506
    Abstract: A method and system for authorizing software in an electronic device is provided. The electronic device has a unique identifier (UID) and is connected to a server of the software through a terminal device. The method includes: generating and transmitting at least one section of audio/video data embedded with the UID corresponding to the electronic device to the terminal device; uploading the audio/video data through the terminal device and sending an authorization request to the server of the software; returning authorization audio/video data from the server of the software through the terminal device, wherein the authorization audio/video data includes an authorization key corresponding to the electronic device; and enabling the electronic device to obtain the authorization audio/video data by means of audio/video communication, so as to obtain the authorization key and authorize the software in the electronic device.
    Type: Application
    Filed: November 8, 2018
    Publication date: July 4, 2019
    Inventor: LIJING CHEN
  • METHOD FOR PREVENTING IMAGE MODIFICATION, IMAGE CAPTURING DEVICE AND IMAGE VERIFICATION METHOD
    Publication number: 20190158698
    Abstract: A method for preventing image modification, an image capturing device and an image verification method are disclosed. The image modification method includes: processing a compressed image of at least one frame to obtain feature data of the compressed image of the at least one frame; encrypting the feature data to generate a checksum; generating supplemental enhancement information, which at least includes a time parameter and the checksum; and transmitting and/or storing the supplemental enhancement information and the compressed image of the at least one frame together so as to verify authenticity of the compressed image of the at least one frame by using the supplemental enhancement information. The time parameter is a counter value of a counter in the image capturing device and the counter value continuously increases. With the above method, authenticity of image data can be verified.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 23, 2019
    Inventor: LIJING CHEN
  • Compositions and methods for inhibiting arginase activity
    Patent number: 10287303
    Abstract: The disclosure relates to a novel class of compounds that exhibit activity inhibitory activity toward arginase, and pharmaceutical compositions comprising the compounds of the disclosure. Also provided herein are methods of treating cancer with the arginase inhibitors of the disclosure.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: May 14, 2019
    Assignee: Calithera Biosciences, Inc.
    Inventors: Eric B. Sjogren, Jim Li, Lijing Chen, Roland J. Billedeau, Timothy F. Stanton, Michael Van Zandt, Darren Whitehouse, Gunnar E. Jagdmann, Jr., Lene Raunkjær Petersen
  • COMPOSITIONS AND METHODS FOR INHIBITING ARGINASE ACTIVITY
    Publication number: 20180222926
    Abstract: The disclosure relates to a novel class of compounds that exhibit activity inhibitory activity toward arginase, and pharmaceutical compositions comprising the compounds of the disclosure. Also provided herein are methods of treating cancer with the arginase inhibitors of the disclosure.
    Type: Application
    Filed: December 22, 2017
    Publication date: August 9, 2018
    Inventors: Eric B. SJOGREN, Jim LI, Lijing CHEN, Roland J. BILLEDEAU, Timothy F. STANTON, Michael VAN ZANDT, Darren WHITEHOUSE, Gunnar E. JAGDMANN, Jr, Lene Raunkjaer PETERSEN, Francesco PARLATI, Matthew I. GROSS
  • Ectonucleotidase Inhibitors and Methods of Use Thereof
    Publication number: 20180186827
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treating or preventing cancer using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: December 21, 2017
    Publication date: July 5, 2018
    Inventors: Roland J. Billedeau, Jim Li, Lijing Chen
  • Heterocyclic inhibitors of glutaminase
    Patent number: 9938267
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treatment using the novel heterocyclic compounds of the invention.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: April 10, 2018
    Assignee: Calithera Biosciences, Inc.
    Inventors: Jim Li, Lijing Chen, Bindu Goyal, Guy Laidig, Timothy F. Stanton, Eric B. Sjogren
  • ECTONUCLEOTIDASE INHIBITORS AND METHODS OF USE THEREOF
    Publication number: 20180072742
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treating or preventing cancer using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: September 8, 2017
    Publication date: March 15, 2018
    Inventors: Lijing Chen, Jim Li, Eric B. Sjogren, Roland J. Billedeau
  • HETEROCYCLIC INHIBITORS OF GLUTAMINASE
    Publication number: 20170369485
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treatment using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: September 11, 2017
    Publication date: December 28, 2017
    Inventors: Jim Li, Lijing Chen, Bindu Goyal, Guy Laidig, Timothy F. Stanton, Eric B. Sjogren
  • COMBINATION THERAPY WITH GLUTAMINASE INHIBITORS
    Publication number: 20150258082
    Abstract: The invention relates to methods of treating cancer, myeloproliferative disorders or immunological diseases with a combination of an immunomodulatory agent and a glutaminase inhibitor. The invention further relates to methods of treating cancer, myeloproliferative disorders, or immunological diseases that are resistant to one or more immunomodulatory agents.
    Type: Application
    Filed: March 13, 2015
    Publication date: September 17, 2015
    Inventors: Francesco Parlati, Mirna L. Rodriguez, Matthew I. Gross, Terri L. Davis, Jim Li, Lijing Chen, Bindu Goyal, Guy Laidig, Timothy F. Stanton, Eric B. Sjogren
  • TREATMENT OF CANCER WITH HETEROCYCLIC INHIBITORS OF GLUTAMINASE
    Publication number: 20150004134
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treating or preventing cancer using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: December 3, 2013
    Publication date: January 1, 2015
    Applicant: CALITHERA BIOSCIENCES, INC.
    Inventors: Mark K. Bennett, Matthew I. Gross, Susan D. Bromley, Jim Li, Lijing Chen, Bindu Goyal, Guy Laidig, Timothy Friend Stanton, Eric Brian Sjogren
  • HETEROCYCLIC INHIBITORS OF GLUTAMINASE
    Publication number: 20140369961
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treatment using the novel heterocyclic compounds of the invention.
    Type: Application
    Filed: August 28, 2014
    Publication date: December 18, 2014
    Inventors: Jim Li, Lijing Chen, Bindu Goyal, Guy Laidig, Timothy F. Stanton, Eric B. Sjogren
  • Heterocyclic inhibitors of glutaminase
    Patent number: 8865718
    Abstract: The invention relates to novel heterocyclic compounds and pharmaceutical preparations thereof. The invention further relates to methods of treatment using the novel heterocyclic compounds of the invention.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: October 21, 2014
    Assignee: Calithera Biosciences Inc.
    Inventors: Jim Li, Lijing Chen, Bindu Goyal, Guy Laidig, Timothy Friend Stanton, Eric Brian Sjogren