Patents by Inventor Chihiro Nishimura

Chihiro Nishimura 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).

  • ?-Amino-N-(diaminophosphinyl)lactam derivatives
    Patent number: 7348318
    Abstract: There are disclosed a novel ?-amino-N-(diaminophosphinyl)lactam derivative represented by general formula (1): wherein, for example, A is a hydrogen atom or a substituent such as a lower alkyl group or the like; W, X, Y and Z are independently a hydrogen atom or a substituent such as a lower alkyl group, aryl group, arylacyl group, arylaminocarbonyl group or the like; and Q is —(CH2)n— wherein n is 0 to 3, or its salt, and a therapeutic agent and a prophylactic agent for myelosuppression, a therapeutic agent for infectious diseases, an agent for increasing the number of leukocytes and a dipeptidyl peptidase IV inhibitor which comprise the above-mentioned derivative or salt thereof as an active ingredient.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: March 25, 2008
    Assignees: Nippon Kayaku Kabushiki Kaisha, Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
    Inventors: Masatoshi Abe, Masashi Nagai, Keiichirou Yamamoto, Chihiro Nishimura
  • Medicament for treatment of bone marrow suppression, for treatment of infectious diseases and for increasing the number of leukocytes
    Patent number: 7247640
    Abstract: A medicament for prophylaxis or treatment of bone marrow suppression, for treatment of infectious diseases and for increasing the number of leukocytes, which comprise as an active ingredient a sulphostin-related compound represented by general formula (I): wherein n is an integer of 0 to 3, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: July 22, 2005
    Date of Patent: July 24, 2007
    Assignees: Nippon Kayaku Kabushiki Kaisha, Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
    Inventors: Takumi Yamashita, Chihiro Nishimura, Tetsushi Saino, Yasuhiko Muraoka, Tomio Takeuchi
  • Medicament for treatment of bone marrow suppression, for treatment of infectious diseases and for increasing the number of leukocytes
    Publication number: 20050256090
    Abstract: A medicament for prophylaxis or treatment of bone marrow suppression, for treatment of infectious diseases and for increasing the number of leukocytes, which comprise as an active ingredient a sulphostin-related compound represented by general formula (I): wherein n is an integer of 0 to 3, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: July 21, 2005
    Publication date: November 17, 2005
    Inventors: Takumi Yamashita, Chihiro Nishimura, Tetshshi Saino, Yasuhiko Muraoka, Tomio Takeuchi
  • Novel $g(a)-amino-n-(diaminophosphinyl) lactam derivative
    Publication number: 20050164989
    Abstract: There are disclosed a novel ?-amino-N-(diaminophosphinyl)lactam derivative represented by general formula (1): wherein, for example, A is a hydrogen atom or a substituent such as a lower alkyl group or the like; W, X, Y and Z are independently a hydrogen atom or a substituent such as a lower alkyl group, aryl group, arylacyl group, arylaminocarbonyl group or the like; and Q is —(CH2)n— wherein n is 0 to 3, or its salt, and a therapeutic agent and a prophylactic agent for myelosuppression, a therapeutic agent for infectious diseases, an agent for increasing the number of leukocytes and a dipeptidyl peptidase IV inhibitor which comprise the above-mentioned derivative or salt thereof as an active ingredient.
    Type: Application
    Filed: March 24, 2003
    Publication date: July 28, 2005
    Inventors: Masatoshi Abe, Masashi Nagai, Keiichirou Yamamoto, Chihiro Nishimura
  • Medicament for treatment of bone marrow suppression, for treatment of infectious diseases and for increasing the number of leukocytes
    Publication number: 20040038942
    Abstract: A medicament for prophylaxis or treatment of bone marrow suppression, for treatment of infectious diseases and for increasing the number of leukocytes, which comprise as an active ingredient a sulphostin-related compound represented by general formula (I): 1
    Type: Application
    Filed: June 3, 2003
    Publication date: February 26, 2004
    Inventors: Takumi Yamashita, Chihiro Nishimura, Tetsushi Saino, Yasuhiko Muraoka, Tomio Takeuchi