Patents by Inventor Yu-Hung Chiu

Yu-Hung Chiu 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: 20190062342
    Abstract: This invention relates to novel macrolides, to the preparation of novel macrolides, to the use of such novel macrolides preventing, treating, or ameliorating various conditions, and to the use of such novel macrolides as antibacterial agents.
    Type: Application
    Filed: March 23, 2018
    Publication date: February 28, 2019
    Inventors: Chang-Hsing Liang, Jonathan Duffield, Alex Romero, Yu-Hung Chiu, Steve Sucheck, Kenneth Marby, Youe-Kong Shue, Yoshitaka Ichikawa, Chan-Kou Hwang, David Rabuka, Sulan Yao
  • Publication number: 20160280718
    Abstract: This invention relates to novel macrolides, to the preparation of novel macrolides, to the use of such novel macrolides preventing, treating, or ameliorating various conditions, and to the use of such novel macrolides as antibacterial agents.
    Type: Application
    Filed: November 4, 2015
    Publication date: September 29, 2016
    Inventors: Chang-Hsing Liang, Jonathan Duffield, Alex Romero, Yu-Hung Chiu, Steve Sucheck, Kenneth Marby, Youe-Kong Shue, Yoshitaka Ichikawa, Chan-Kou Hwang, David Rabuka, Sulan Yao
  • Patent number: 9200026
    Abstract: Described herein are novel macrolides, the preparation of novel macrolides, the use of novel macrolides for preventing, treating, or ameliorating various conditions, and the use of novel macrolides as antibacterial agents.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: December 1, 2015
    Assignee: MERCK SHARP & DOHME CORP.
    Inventors: Chang-Hsing Liang, Jonathan Duffield, Alex Romero, Yu-Hung Chiu, Steve Sucheck, Kenneth Marby, Youe-Kong Shue, Yoshitaka Ichikawa, Chan-Kou Hwang, David Rabuka, Sulan Yao
  • Patent number: 8916527
    Abstract: The invention encompasses an active metabolite of the 18-membered macrocyclic antimicrobial agents, specifically, a metabolite of tiacumicin B and in certain embodiments, R-Tiacumicin B or and its related compounds. In particular, the invention encompasses a compound that acts as a potent antibiotic agent for the treatment of bacterial infections, specifically GI infections caused by toxin producing strains of Clostridium difficile (C. difficile) and Clostridium perfringens (C. perfringens).
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 23, 2014
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Yoshi Ichikawa, Yu-Hung Chiu, Youe-Kong Shue, Farah Kondori Babakhani
  • Patent number: 8883986
    Abstract: The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: November 11, 2014
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Yu-Hung Chiu, Tessie Mary Che, Alex Romero, Yoshi Ichikawa, Youe-Kong Shue
  • Patent number: 8859510
    Abstract: The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: October 14, 2014
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Yu-Hung Chiu, Tessie Mary Che, Alex Romero, Yoshi Ichikawa, Youe-Kong Shue
  • Patent number: 8586551
    Abstract: The present invention relates generally to the 18-membered macrocyclic antimicrobial agents called Tiacumicins, specifically, OPT-80 (which is composed almost entirely of the R-Tiacumicin B), pharmaceutical compositions comprising OPT-80, and methods using OPT-80. In particular, this compound is a potent drug for the treatment of bacterial infections, specifically C. difficile infections.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: November 19, 2013
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Youe-Kong Shue, Chan-Kou Hwang, Yu-Hung Chiu, Alex Romero, Farah Babakhani, Pamela Sears, Franklin Okumu
  • Publication number: 20130252914
    Abstract: The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 26, 2013
    Applicant: Optimer Pharmaceuticals, Inc.
    Inventors: Yu-Hung Chiu, Tessie Mary Che, Alex Romero, Yoshi Ichikawa, Youe-Kong Shue
  • Publication number: 20130252912
    Abstract: The invention encompasses an active metabolite of the 18-membered macrocyclic antimicrobial agents, specifically, a metabolite of tiacumicin B and in certain embodiments, R-Tiacumicin B or and its related compounds. In particular, the invention encompasses a compound that acts as a potent antibiotic agent for the treatment of bacterial infections, specifically GI infections caused by toxin producing strains of Clostridium difficile (C. difficile) and Clostridium perfringens (C. perfringens).
    Type: Application
    Filed: March 15, 2013
    Publication date: September 26, 2013
    Applicant: Optimer Pharmaceuticals, Inc.
    Inventors: Yoshi Ichikawa, Yu-Hung Chiu, Youe-Kong Shue, Farah Kondori Babakhani
  • Publication number: 20130252913
    Abstract: The present invention relates generally to the 18-membered macrocyclic antimicrobial agents called Tiacumicins, specifically, OPT-80 (which is composed almost entirely of the R-Tiacumicin B), pharmaceutical compositions comprising OPT-80, and methods using OPT-80. In particular, this compound is a potent drug for the treatment of bacterial infections, specifically C. difficile infections.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 26, 2013
    Applicant: Optimer Pharmaceuticals, Inc.
    Inventors: Youe-Kong Shue, Chan-Kou Hwang, Yu-Hung Chiu, Alex Romero, Farah Babakhani, Pamela Sears, Franklin Okumu
  • Patent number: 8518899
    Abstract: The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: August 27, 2013
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Yu-Hung Chiu, Tessie Mary Che, Alex Romero, Yoshi Ichikawa, Youe-Kong Shue
  • Patent number: 8445654
    Abstract: The invention encompasses an active metabolite of the 18-membered macrocyclic antimicrobial agents, specifically, a metabolite of tiacumicin B and in certain embodiments, R-Tiacumicin B or and its related compounds. In particular, the invention encompasses a compound that acts as a potent antibiotic agent for the treatment of bacterial infections, specifically GI infections caused by toxin producing strains of Clostridium difficile (C. difficile) and Clostridium perfringens (C. perfringens).
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: May 21, 2013
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Yoshi Ichikawa, Yu-Hung Chiu, Youe-Kong Shue, Farah Kondori Babakhani
  • Publication number: 20120040922
    Abstract: The invention encompasses an active metabolite of the 18-membered macrocyclic antimicrobial agents, specifically, a metabolite of tiacumicin B and in certain embodiments, R-Tiacumicin B or and its related compounds. In particular, the invention encompasses a compound that acts as a potent antibiotic agent for the treatment of bacterial infections, specifically GI infections caused by toxin producing strains of Clostridium difficile (C. difficile) and Clostridium perfringens (C. perfringens).
    Type: Application
    Filed: October 24, 2011
    Publication date: February 16, 2012
    Inventors: Yoshi Ichikawa, Yu-Hung Chiu, Youe-Kong Shue, Farah Kondori Babakhani
  • Patent number: 8044030
    Abstract: The invention encompasses an active metabolite of the 18-membered macrocyclic antimicrobial agents, specifically, a metabolite of tiacumicin B and in certain embodiments, R-Tiacumicin B or and its related compounds. In particular, the invention encompasses a compound that acts as a potent antibiotic agent for the treatment of bacterial infections, specifically GI infections caused by toxin producing strains of Clostridium difficile (C. difficile) and Clostridium perfringens (C. perfringens).
    Type: Grant
    Filed: November 28, 2008
    Date of Patent: October 25, 2011
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Yoshi Ichikawa, Yu-Hung Chiu, Youe-Kong Shue, Farah Kondori Babakhani
  • Publication number: 20110166090
    Abstract: The present invention relates generally to the 18-membered macrocyclic antimicrobial agents called Tiacumicins, specifically, OPT-80 (which is composed almost entirely of the R-Tiacumicin B), pharmaceutical compositions comprising OPT-80, and methods using OPT-80. In particular, this compound is a potent drug for the treatment of bacterial infections, specifically C. difficile infections.
    Type: Application
    Filed: March 11, 2011
    Publication date: July 7, 2011
    Inventors: Youe-Kong SHUE, Chan-Kou Hwang, Yu-Hung Chiu, Alex Romero, Farah Babakhani, Pamela Sears, Franklin Okumu
  • Patent number: 7906489
    Abstract: The present invention relates generally to the 18-membered macrocyclic antimicrobial agents called Tiacumicins, specifically, OPT-80 (which is composed almost entirely of the R-Tiacumicin B), pharmaceutical compositions comprising OPT-80, and methods using OPT-80. In particular, this compound is a potent drug for the treatment of bacterial infections, specifically C. difficile infections.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: March 15, 2011
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Youe-Kong Shue, Chan-Kou Hwang, Yu-Hung Chiu, Alex Romero, Farah Babakhani, Pamela Sears, Franklin Okumu
  • Patent number: 7863249
    Abstract: The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: January 4, 2011
    Assignee: Optimer Pharmaceuticals, Inc.
    Inventors: Yu-Hung Chiu, Tessie Mary Che, Alex Romero, Yoshi Ichikawa, Youe-Kong Shue
  • Publication number: 20100081800
    Abstract: The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.
    Type: Application
    Filed: January 22, 2008
    Publication date: April 1, 2010
    Inventors: Yu-Hung Chiu, Tessie Mary Che, Alex Romero, Yoshi Ichikawa, Youe-Kong Shue
  • Publication number: 20100035833
    Abstract: The invention encompasses an active metabolite of the 18-membered macrocyclic antimicrobial agents, specifically, a metabolite of tiacumicin B and in certain embodiments, R-Tiacumicin B or and its related compounds. In particular, the invention encompasses a compound that acts as a potent antibiotic agent for the treatment of bacterial infections, specifically GI infections caused by toxin producing strains of Clostridium difficile (C. difficile) and Clostridium perfringens (C. perfringens).
    Type: Application
    Filed: November 28, 2008
    Publication date: February 11, 2010
    Applicant: OPTIMER PHARMACEUTICALS, INC.
    Inventors: Yoshi Ichikawa, Yu-Hung Chiu, Youe-Kong Shue, Farah Kondori Babakhani
  • Publication number: 20100010076
    Abstract: The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.
    Type: Application
    Filed: September 2, 2009
    Publication date: January 14, 2010
    Inventors: Yu-Hung CHIU, Tessie Mary Che, Alex Romero, Yoshi Ichikawa, Youe-Kong Shue