Patents by Inventor Shuntaro Furukawa

Shuntaro Furukawa 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).

  • Process for producing bicycloaniline derivatives
    Patent number: 8507504
    Abstract: The present invention relates to a process for producing a hydrate of 3-(2,6-dichlorophenyl)-4-imino-7-[(2?-methyl-2?,3?-dihydro-1?H-spiro[cyclopropane-1,4?-isoquinolin]-7?-yl)amino]-3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one (Compound A) or of a pharmaceutically acceptable salt of Compound A and a crystalline form of Compound A or of a pharmaceutically acceptable salt of Compound A, which are useful in the field of treatment of various cancers as a kinase inhibitor, especially as a Weel kinase inhibitor.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: August 13, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Shuntaro Furukawa, Taketo Ikeno, Shinji Kato, Masashi Kawasaki, Hisaki Kojima, Wataru Minagawa, Naotaka Sawada, Fuyuki Yamamoto, Sachin Lohani, Yaling Wang
  • PROCESS FOR PRODUCING BICYCLOANILINE DERIVATIVES
    Publication number: 20110092520
    Abstract: The present invention relates to a process for producing a hydrate of 3-(2,6-dichlorophenyl)-4-imino-7-[(2?-methyl-2?,3?-dihydro-1?H-spiro[cyclopropane-1,4?-isoquinolin]-7?-yl)amino]-3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one (Compound A) or of a pharmaceutically acceptable salt of Compound A and a crystalline form of Compound A or of a pharmaceutically acceptable salt of Compound A, which are useful in the field of treatment of various cancers as a kinase inhibitor, especially as a Weel kinase inhibitor.
    Type: Application
    Filed: June 2, 2009
    Publication date: April 21, 2011
    Inventors: Shuntaro Furukawa, Taketo Ikeno, Shinji Kato, Masashi Kawasaki, Hisaki Kojima, Wataru Minagawa, Naotaka Sawada, Fuyuki Yamamoto, Sachin Lohani, Yaling Wang