Patents by Inventor Chunshi Li

Chunshi Li 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).

  • Publication number: 20240082966
    Abstract: A cross-coupling control method for moving beam of gantry machine tool is disclosed, which relates to the technical field of CNC machine tool control. The cross-coupling control method includes: Step 1: establishing a crossbeam dynamics model considering a ram on the crossbeam, and at the same time simplifying the model for an observer design; step 2: realizing a PID control parameter adjustment of motors at both ends in accordance with a method of parameter tuning of a unilateral servo control system; using a servo system with the same control parameters to jointly drive the crossbeam up and down, realizing the synchronous control and realizing PID control parameter tuning for both end motors. The disclosure not only reduces the synchronization error caused by the torsion of the crossbeam, but also solves the synchronization error caused by the asymmetric load on both sides, and improves the system robustness and stability.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Inventors: Chuanhai Chen, Zhifeng Liu, Jinyan Guo, Tongtong Jin, Xinyuan He, Shuo Zhao, Baobao Qi, Chunshi Liu, Zhaojun Yang, Zhijie Li, Chunlei Hua, Liang Zhang, Haoming Yan
  • Patent number: 9617268
    Abstract: Provided herein are compounds, compositions thereof and uses therewith for treating spinal muscular atrophy. In a specific embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN2 into mRNA that is transcribed from the SMN2 gene. In another specific embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN1 into mRNA that is transcribed from the SMN1 gene. In yet another embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN1 and SMN2 into mRNA that is transcribed from the SMN1 and SMN2 genes, respectively.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 11, 2017
    Assignees: PTC Therapeutics, Inc., F. Hoffmann-La Roche AG
    Inventors: Matthew G. Woll, Guangming Chen, Soongyu Choi, Amal Dakka, Song Huang, Gary Mitchell Karp, Chang-Sun Lee, Chunshi Li, Jana Narasimhan, Nikolai Naryshkin, Sergey Paushkin, Hongyan Qi, Anthony A. Turpoff, Marla L. Weetall, Ellen Welch, Tianle Yang, Nanjing Zhang, Xiaoyan Zhang, Xin Zhao, Emmanuel Pinard, Hasane Ratni
  • Patent number: 9593108
    Abstract: The present invention is directed to compounds and forms and pharmaceutical compositions thereof useful for treating a viral infection, or for affecting viral activity by modulating viral replication.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: March 14, 2017
    Assignee: PTC Therapeutics, Inc.
    Inventors: Malcolm Maccoss, F. George Njoroge, Amin Nomeir, Guangming Chen, Gary Mitchell Karp, William Jospeh Lennox, Chunshi Li, Christie Morrill, Steven D. Paget, Hongyu Ren, Nanjing Zhang, Xiaoyan Zhang
  • Patent number: 9399649
    Abstract: Provided herein are compounds, compositions thereof and uses therewith for treating spinal muscular atrophy.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: July 26, 2016
    Assignee: PTC Therapeutics, Inc.
    Inventors: Guangming Chen, Amal Dakka, Gary Mitchell Karp, Chunshi Li, Jana Narasimhan, Nikolai Naryshkin, Marla L. Weetall, Ellen Welch, Xin Zhao
  • Publication number: 20150126515
    Abstract: Provided herein are compounds, compositions thereof and uses therewith for treating spinal muscular atrophy.
    Type: Application
    Filed: January 25, 2013
    Publication date: May 7, 2015
    Applicant: PTC Therapeutics, Inc.
    Inventors: Guangming Chen, Amal Dakka, Gary Mitchell Karp, Chunshi Li, Jana Narasimhan, Nikolai Naryshkin, Marla L. Weetall, Ellen Welch, Xin Zhao
  • Publication number: 20150119380
    Abstract: Provided herein are compounds, compositions thereof and uses therewith for treating spinal muscular atrophy. In a specific embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN2 into mRNA that is transcribed from the SMN2 gene. In another specific embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN1 into mRNA that is transcribed from the SMN1 gene. In yet another embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN1 and SMN2 into mRNA that is transcribed from the SMN1 and SMN2 genes, respectively.
    Type: Application
    Filed: December 28, 2012
    Publication date: April 30, 2015
    Inventors: Matthew G. Woll, Guangming Chen, Soongyu Choi, Amal Dakka, Song Huang, Gary Mitchell Karp, Chang-Sun Lee, Chunshi Li, Jana Narasimhan, Nikolai Naryshkin, Sergey Paushkin, Hongyan Qi, Anthony A. Turpoff, Marla L. Weetall, Ellen Welch, Tianle Yang, Nanjing Zhang, Xiaoyan Zhang, Xin Zhao, Emmanuel Pinard, Hasane Ratni
  • Patent number: 8735414
    Abstract: The present invention is directed to compounds and forms and pharmaceutical compositions thereof useful for treating a viral infection, or for affecting viral activity by modulating viral replication.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: May 27, 2014
    Assignee: PTC Therapeutics, Inc.
    Inventors: Malcolm MacCoss, F. George Njoroge, Amin Nomeir, Guangming Chen, Song Xiao Huang, Ramesh Kakarla, Gary Mitchell Karp, William Joseph Lennox, Chunshi Li, Ronggang Liu, Yalei Liu, Christie Morrill, Steven D. Paget, Sean W Smith, James Takasugi, Anthony A. Turpoff, Hongyu Ren, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Publication number: 20120184574
    Abstract: The present invention is directed to compounds and forms and pharmaceutical compositions thereof useful for treating a viral infection, or for affecting viral activity by modulating viral replication.
    Type: Application
    Filed: April 5, 2010
    Publication date: July 19, 2012
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Malcolm Maccoss, F. George Njoroge, Amin Nomeir, Guangming Chen, Song Xiao Huang, Ramesh Kakarla, Gary Mitchell Karp, William Joseph Lennox, Chunshi Li, Ronggang Liu, Yalei Liu, Christie Morrill, Steven D. Paget, Sean W. Smith, James Takasugi, Anthony A. Turpoff, Hongyu Ren, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Publication number: 20120135999
    Abstract: The present invention is directed to compounds and forms and pharmaceutical compositions thereof useful for treating a viral infection, or for affecting viral activity by modulating viral replication.
    Type: Application
    Filed: April 5, 2010
    Publication date: May 31, 2012
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Malcolm Maccoss, F. George Njoroge, Amin Nomeir, Guangming Chen, Gary Mitchell Karp, William Jospeh Lennox, Chunshi Li, Christie Morrill, Steven D. Paget, Hongyu Ren, Nanjing Zhang, Xiaoyan Zhang
  • Publication number: 20110268698
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IBES activity.
    Type: Application
    Filed: June 13, 2011
    Publication date: November 3, 2011
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary M. KARP, Peter Seongwoo HWANG, James J. TAKASUGI, Hongyu REN, Richard Gerald WILDE, Anthony A. TURPOFF, Alexander AREFOLOV, Guangming CHEN, Jeffrey Allen CAMPBELL, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Patent number: 7973069
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: July 5, 2011
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary M. Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony A. Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Jin Zhu, Xiaoyan Zhang
  • Publication number: 20100305100
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Application
    Filed: July 1, 2010
    Publication date: December 2, 2010
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Publication number: 20100292187
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Application
    Filed: June 14, 2010
    Publication date: November 18, 2010
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary M. Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony A. Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey A. Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Patent number: 7781478
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: August 24, 2010
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary M. Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony A. Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Jin Zhu, Xiaoyan Zhang
  • Patent number: 7772271
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: August 10, 2010
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Patent number: 5424454
    Abstract: L-alanyl-L-proline is stereoselectively prepared catalytically hydrogenating an N-(2-iminopropionyl)-L-proline in the presence of a metal hydrogenolysis catalyst and at a pH of less than about 4. Also disclosed are improved processes for production of N-pyruvyl-L-proline in which L-proline and a 2,2-disubstituted propionyl halide are allowed to react at a pH of at least 9 to produce an L-proline intermediate which is hydrolyzed at a pH range of from about 6.5 to about 8.5 to yield N-pyruvyl-L-proline.
    Type: Grant
    Filed: May 26, 1994
    Date of Patent: June 13, 1995
    Assignee: Celgene Corporation
    Inventors: Beverly W. Burbaum, Chunshi Li, George W. Matcham
  • Patent number: 5319098
    Abstract: L-Alanyl-L-proline is stereoselectively prepared catalytically hydrogenating an N-(2-iminopropionyl)-L-proline in the presence of a metal hydrogenolysis catalyst and at a pH of less than about 4. Also disclosed are improved processes for production of pyruvylproline in which L-proline and a 2,2-disubstituted propionyl halide are allowed to react at a pH of at least 9 to produce an L-proline intermediate which is hydrolyzed at a pH range of from about 6.5 to about 8.5 to yield N-pyruvyl-L-proline.
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: June 7, 1994
    Assignee: Celgene Corporation
    Inventors: Beverly W. Burbaum, Chunshi Li, George W. Matcham
  • Patent number: RE47689
    Abstract: Provided herein are compounds, compositions thereof and uses therewith for treating spinal muscular atrophy. In a specific embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN2 into mRNA that is transcribed from the SMN2 gene. In another specific embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN1 into mRNA that is transcribed from the SMN1 gene. In yet another embodiment, provided herein are compounds of a form that may be used to modulate the inclusion of exon 7 of SMN1 and SMN2 into mRNA that is transcribed from the SMN1 and SMN2 genes, respectively.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: November 5, 2019
    Assignees: PTC Therapeutics, Inc., F. Hoffmann-La Roche
    Inventors: Matthew G. Woll, Guangming Chen, Soongyu Choi, Amal Dakka, Song Huang, Gary Mitchell Karp, Chang-Sun Lee, Chunshi Li, Jana Narasimhan, Nikolai Naryshkin, Sergey Paushkin, Hongyan Qi, Anthony A. Turpoff, Marla L. Weetall, Ellen Welch, Tianle Yang, Nanjing Zhang, Xiaoyan Zhang, Xin Zhao, Emmanuel Pinard, Hasane Ratni