Patents by Inventor Wayne Wen Lai

Wayne Wen Lai 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).

  • Spiroimidazolone derivative
    Patent number: 9487517
    Abstract: The present invention relates to a compound represented by the following formula (1): wherein W, X, Y, R1, R2, R33, R34, m and n are as defined in the claims, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: November 8, 2016
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Toru Esaki, Yoshikazu Nishimura, Yoshiaki Isshiki, Naoki Okamoto, Yoshiyuki Furuta, Akemi Mizutani, Masateru Ohta, Wayne Wen Lai, Tomoya Kotake
  • SPIROIMIDAZOLONE DERIVATIVE
    Publication number: 20160016956
    Abstract: The present invention relates to a compound represented by the following formula (1): wherein W, X, Y, R1, R2, R33, R34, m and n are as defined in the claims, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: September 17, 2015
    Publication date: January 21, 2016
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Toru Esaki, Yoshikazu NISHIMURA, Yoshiaki ISSHIKI, Naoki OKAMOTO, Yoshiyuki FURUTA, Akemi MIZUTANI, Masateru OHTA, Wayne Wen LAI, Tomoya KOTAKE
  • Spiroimidazolone derivative
    Patent number: 9169254
    Abstract: The present invention relates to a compound represented by the following formula (1): wherein W, X, Y, R1, R2, R33, R34, m and n are as defined in the claims, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: October 27, 2015
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Toru Esaki, Yoshikazu Nishimura, Yoshiaki Isshiki, Naoki Okamoto, Yoshiyuki Furuta, Akemi Mizutani, Masateru Ohta, Wayne Wen Lai, Tomoya Kotake
  • SPIROIMIDAZOLONE DERIVATIVE
    Publication number: 20120270838
    Abstract: The present invention relates to a compound represented by the following formula (1): wherein W, X, Y, R1, R2, R33, R34, m and n are as defined in the claims, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: April 27, 2010
    Publication date: October 25, 2012
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Toru Esaki, Yoshikazu Nishimura, Yoshiaki Isshiki, Naoki Okamoto, Yoshiyuki Furuta, Akemi Mizutani, Masateru Ohta, Wayne Wen Lai, Tomoya Kotake
  • 4,5,6,7-tetrahydro-thieno[3,2-c] pyridine derivatives
    Patent number: 7557101
    Abstract: The present invention relates to compounds of formula I wherein R1 and R2 are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: July 7, 2009
    Assignee: Hoffman-La Roche Inc.
    Inventors: Li Chen, Wayne Wen Lai, Matthias Nettekoven, Olivier Roche, Deye Zheng
  • 4,5,6,7-Tetrahydro-Thieno [3,2-C] Pyridine Derivatives
    Publication number: 20080146558
    Abstract: The present invention relates to compounds of formula I wherein R1 and R2 are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.
    Type: Application
    Filed: November 20, 2007
    Publication date: June 19, 2008
    Inventors: Li Chen, Wayne Wen Lai, Matthias Nettekoven, Olivier Roche, Deye Zheng
  • 4,5,6,7-Tetrahydro-Thieno [2,3-C] Pyridine Derivatives
    Publication number: 20080146559
    Abstract: The present invention relates to compounds of formula I wherein R1 and R2 are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.
    Type: Application
    Filed: November 20, 2007
    Publication date: June 19, 2008
    Inventors: Li Chen, Wayne Wen Lai, Matthias Nettekoven, Olivier Roche, Deye Zheng