Patents by Inventor Chan Chun

Chan Chun 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).

  • Money Holding Devices
    Publication number: 20150272288
    Abstract: Money holding devices (e.g., clips) configured to move from a closed configuration to an open configuration by applying a force to a portion of one arm of the clip that is wider than a corresponding portion of another arm of the clip.
    Type: Application
    Filed: December 23, 2014
    Publication date: October 1, 2015
    Inventors: Chip Edward Thomson, Chan Chun Yau, Timothy Uys
  • Method and apparatus for reducing call setup delay by adjusting SIB7 and SIB14 scheduling frequency
    Patent number: 8942695
    Abstract: An apparatus and method for reducing call setup time of a wireless communication device including measuring paging intensity, and adjusting SIB7 or SIB14 repetition period based on the measured paging intensity to reduce call setup time. In one aspect, a paging intensity threshold is determined based on the measured paging intensity, and the paging intensity threshold is used to adjust the SIB7 or SIB14 repetition period.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: January 27, 2015
    Assignee: Qualcomm Incorporated
    Inventors: Chan Chun Chung Patrick, Amer Catovic, Mohit Narang, Alvin Siu-Chung Ng
  • Method and apparatus for reducing call setup delay by improved SIB7 and SIB14 scheduling
    Patent number: 8934915
    Abstract: An apparatus and method for reducing call setup time of a wireless communication device including determining empty slots on a Common Control Channel where no SIB blocks or MIB blocks are scheduled therein and scheduling SIB7 or SIB 14 blocks in the empty slots to reduce call setup time. In one aspect, the uplink interference level contained in the SIB7 or SIB14 block is piggy-backed on SIB blocks other than SIB7 or SIB14 blocks.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: January 13, 2015
    Assignee: Qualcomm Incorporated
    Inventors: Alvin Siu-Chung Ng, Amer Catovic, Mohit Narang, Chan Chun Chung Patrick
  • Money holding devices
    Patent number: 8914949
    Abstract: Money holding devices (e.g., clips) configured to move from a closed configuration to an open configuration by applying a force to a portion of one arm of the clip that is wider than a corresponding portion of another arm of the clip.
    Type: Grant
    Filed: April 15, 2012
    Date of Patent: December 23, 2014
    Inventors: Chip Edward Thomson, Chan Chun Yau, Timothy Uys
  • Compounds and methods for the treatment or prevention of infections
    Patent number: 8829030
    Abstract: Compounds represented by formula: Wherein X, Y and Z are as defined herein, pharmaceutically acceptable salts thereof, and related compounds, are suitable for use in treating or preventing a Flaviviridae viral infection in a host.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: September 9, 2014
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Nghe Nguyen-Ba, Liliane Halab, Bettina Hamelin, Oswy Z. Pereira, Carl Poisson, Melanie Proulx, Thunkunta Jagadeeswar Reddy, Ming Qiang Zhang
  • BENZIMIDAZOLE ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20140243257
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: James A. Henderson, John Maxwell, Louis Vaillancourt, Mark Morris, Ronald Grey, JR., Simon Giroux, Laval Chan Chun Kong, Sanjoy Kumar Das, Bingcan Liu, Carl Poisson, Caroline Cadilhac, Monica Bubenik, T. Jagadeeswar Reddy, Guy Falardeau, Constantin Yannopoulos, Jian Wang, Oswy Z. Pereira, Youssef L. Bennani, Albert C. Pierce, Govinda Rao Bhisetti, Kevin M. Cottrell, Valerie Marone
  • Analogues for the treatment or prevention of flavivirus infections
    Patent number: 8779156
    Abstract: Compounds represented by formula I or pharmaceutically acceptable salts thereof, wherein A, B, B?, X, Y, R1, R2, R2?, R3, R3?, R4, R4?, R5, R5?, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: July 15, 2014
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Sanjoy Kumar Das, Youssef L. Benanni, Laval Chan Chun Kong, John Maxwell, T. Jagadeeswar Reddy, Constantin Yannopoulos, Bingcan Liu, Caroline Cadilhac, Simon Giroux, James A. Henderson, Real Denis, Louis Vaillancourt, Oswy Z. Pereira, Carl Poisson, Guy Falardeau, Mark A. Morris
  • Benzimidazole analogues for the treatment or prevention of flavivirus infections
    Patent number: 8765731
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: July 1, 2014
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: James A. Henderson, John Maxwell, Louis Vaillancourt, Mark Morris, Ronald Grey, Jr., Simon Giroux, Laval Chan Chun Kong, Sanjoy Kumar Das, Bingan Liu, Carl Poisson, Caroline Cadilhac, Monica Bubenik, T. Jagadeeswar Reddy, Guy Falardeau, Constantin Yannopoulos, Jian Wang, Oswy Z. Pereira, Youssef L. Bennani, Albert C. Pierce, Govinda Rao Bhisetti, Kevin M. Cottrell, Valerie Marone
  • Compounds and methods for the treatment or prevention of flavivirus infections
    Patent number: 8674118
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein R1, X, Y, Y1, and Z are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: March 18, 2014
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Real Denis, Carl Poisson, Sanjoy Kumar Das, Irina Motorina, Rabindra Rej, Constantin G. Yannopoulos, Laval Chan Chun Kong
  • Thiophene analogues for the treatment or prevention of flavivirus infections
    Patent number: 8658674
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein R1, X, Y, and Z are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: February 25, 2014
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Carl Poisson, Constantin G. Yannopoulos, Guy Falardeau, Louis Vaillancourt, Real Denis
  • MONEY HOLDING DEVICES
    Publication number: 20140013551
    Abstract: Money holding devices (e.g., clips) configured to move from a closed configuration to an open configuration by applying a force to a portion of one arm of the clip that is wider than a corresponding portion of another arm of the clip.
    Type: Application
    Filed: April 15, 2012
    Publication date: January 16, 2014
    Inventors: Chip Edward Thomson, Chan Chun Yau, Timothy Uys
  • COMPOUNDS AND METHODS FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20130136719
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts thereof, wherein R1, R2, and R3 are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: May 25, 2012
    Publication date: May 30, 2013
    Applicant: VERTEX PHARMACEUTICALS INCORPORATED
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Carl Poisson
  • COMPOUNDS AND METHODS FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20130123242
    Abstract: The present invention provides novel compounds represented by formula I: or pharmaceutically acceptable salts thereof useful for treating flaviviridae viral infection.
    Type: Application
    Filed: October 26, 2012
    Publication date: May 16, 2013
    Applicant: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Jean Bedard, Sanjoy Kumar Das, Nghe Nguyen-Ba, Oswy Z. Pereira, Thumkunta Jagadeeswar Reddy, Mohammad Arshad Siddiqui, Wuyi Wang, Constantin G. Yannopoulos
  • C-21-keto lupane derivatives preparation and use thereof
    Patent number: 8431556
    Abstract: The invention relates to 21-keto triterpene compounds of formula (I): wherein R1, X and Y are as defined herein, and pharmaceutically acceptable salts and solvates thereof. These compounds exhibit significant anti-HIV activity. Thus, the invention also relates to methods for prevention or treatment of HIV infections by administering therapeutically effective amounts of a compound of formula (I), or a pharmaceutically acceptable salt or solvate thereof to a subject in need of such treatment.
    Type: Grant
    Filed: July 3, 2010
    Date of Patent: April 30, 2013
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Christophe Moinet, Marc Courchesne, Liliane Halab, Nathalie Chauret, Laval Chan Chun Kong
  • ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20130085150
    Abstract: Compounds represented by formula I or pharmaceutically acceptable salts thereof, wherein A, B, B?, X, Y, R1, R2, R2?, R3, R3?, R4, R4?, R5, R5?m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: September 24, 2012
    Publication date: April 4, 2013
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: Oswy Z. Pereira, John Maxwell, Youssef L. Bennani, Sanjoy Kumar Das, Laval Chan Chun Kong, Jagadeeswar T. Reddy, Simon Giroux, Kevin M. Cottrell, Mark A. Morris
  • ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20130072523
    Abstract: Compounds represented by Formula I: (I) or pharmaceutically acceptable salts thereof, wherein A, B, B?, X, Y, R1, R2, R2?, R3, R3?, R4, R4?, R5?, R5?m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: December 27, 2010
    Publication date: March 21, 2013
    Applicant: VERTEX PHARMACEUTICALS INCORPORATED
    Inventors: Bingcan Liu, Carl Poisson, Laval Chan Chun Kong, Sanjoy Kumar Das, Constantin Yannopoulos, Caroline Cadilhac, T. Jagadeeswar Reddy, Louis Vaillancourt, Guy Falardeau, Oswy Z. Pereira, Monica Bubenik, John Maxwell
  • Compounds and methods for the treatment or prevention of flavivirus infections
    Patent number: 8357718
    Abstract: Compounds represented by formula: wherein X, Y and Z are as defined herein, pharmaceutically acceptable salts thereof, and related compounds, are suitable for use in treating or preventing a Flaviviridae viral infection in a host.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: January 22, 2013
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Nghe Nguyen-Ba, Liliane Halab, Bettina Hamelin, Oswy Z. Pereira, Carl Poisson, Melanie Proulx, Thumkunta Jagadeeswar Reddy, Zhang Ming-Qiang
  • Benzimidazole analogues for the treatment or prevention of flavivirus infections
    Patent number: 8354419
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: January 15, 2013
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: James A. Henderson, John Maxwell, Louis Vaillancourt, Mark Morris, Ronald Grey, Jr., Simon Giroux, Laval Chan Chun Kong, Sanjoy Kumar Das, Bingcan Liu, Carl Poisson, Caroline Cadilhac, Monica Bubenik, T. Jagadeeswar Reddy, Guy Falardeau, Constantin Yannopoulos, Jian Wang, Oswy Z. Pereira, Youssef L. Bennani, Albert C. Pierce, Govinda Rao Bhisetti, Kevin M. Cottrell, Valerie Marone
  • Compounds and methods for the treatment or prevention of infections
    Patent number: 8329924
    Abstract: The present invention provides novel compounds represented by formula I: or pharmaceutically acceptable salts thereof useful for treating flaviviridae viral infection.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: December 11, 2012
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Jean Bedard, Sanjoy Kumar Das, Nghe Nguyen-Ba, Oswy Z. Pereira, Thumkunta Jagadeeswar Reddy, Mohammad Arshad Siddiqui, Wuyi Wang, Constantin G. Yannopoulos
  • Connector device
    Patent number: D984391
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: April 25, 2023
    Inventors: Chan Chun Wai, Zhou Wei Feng