Patents by Inventor Tazumi Ohtani

Tazumi Ohtani 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).

  • Piperidine derivative compounds and drugs containing the compounds as the active ingredient
    Patent number: 7425567
    Abstract: A piperidine derivative of formula (I) (wherein all symbols are as described in the specification.) and an intermediate for the preparation thereof. The compound of formula (I) has phosphodiesterase 4 inhibitory activity, and it is useful for the prevention and/or treatment of inflammatory diseases, diabetic diseases, allergic diseases, autoimmune diseases, ocular diseases, osteoporosis, bone fracture, osteoarthritis, obesity, bulimia, depression, Parkinson's disease, dementia, ischemia-reperfusion injury, leukemia, acquired immunodeficiency deficiency syndrome (AIDS), shock, systemically inflammatory responsive diseases (SIRS), etc.
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: September 16, 2008
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Ochiai, Yoshitaka Nishita, Tazumi Ohtani, Masaya Hamano
  • Piperidine derivative compounds and drugs containing the compounds as the active ingredient
    Publication number: 20050080107
    Abstract: A piperidine derivative of formula (I) (wherein all symbols are as described in the specification.) and an intermediate for the preparation thereof. The compound of formula (I) has phosphodiesterase 4 inhibitory activity, and it is useful for the prevention and/or treatment of inflammatory diseases, diabetic diseases, allergic diseases, autoimmune diseases, ocular diseases, osteoporosis, bone fracture, osteoarthritis, obesity, bulimia, depression, Parkinson's disease, dementia, ischemia-reperfusion injury, leukemia, acquired immunodeficiency deficiency syndrome (AIDS), shock, systemically inflammatory responsive diseases (SIRS), etc.
    Type: Application
    Filed: February 7, 2003
    Publication date: April 14, 2005
    Inventors: Hiroshi Ochiai, Yoshitaka Nishita, Tazumi Ohtani, Masaya Hamano