Patents by Inventor Hidekazu Mizuhara

Hidekazu Mizuhara 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).

  • PYRIDAZINONE DERIVATIVES USED FOR THE TREATMENT OF PAIN
    Publication number: 20090042856
    Abstract: A pyridazinone derivative compound shown by the following formula (I): wherein R1 is selected from hydrogen, etc.; R2 is selected from substituted or unsubstituted aryl, etc.; R3 is hydrogen, etc.; p is 0, 1 or 2; R4 and R5, are each hydrogen, etc.; R6 and R7, are taken together to form a group of the formula: wherein R8 is hydrogen; X is selected from oxygen, etc; R10 is selected from hydrogen, etc.; R11 is selected from hydrogen, etc.; R12 is selected from hydrogen, etc.; R13 is selected from hydrogen, etc.; R14 is selected from hydrogen, etc.; m and n are each 0, 1, or 2, or a pharmaceutically acceptable salt thereof, which is useful as a medicament.
    Type: Application
    Filed: August 31, 2006
    Publication date: February 12, 2009
    Applicants: Astellas Pharma Inc, Wakunaga Pharmaceutical Co., Ltd.
    Inventors: Hitoshi Yamazaki, Chiyoshi Kasahara, Hirokazu Kubota, Toru Kontani, Toru Asano, Hidekazu Mizuhara, Masaharu Yokomoto, Keiji Misumi, Tomohiko Kinoshita