Patents by Inventor Yasushi Nishizaki

Yasushi Nishizaki 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).

  • Agent for anti-osteoporosis
    Patent number: 6440446
    Abstract: An orally or parenterally administrable agent for anti-osteoporosis, comprising trehalose as an effective ingredient and optionally another ingredients, that exerts a satisfactory therapeutic/prophylactic effect on osteoporosis with lesser side effects.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: August 27, 2002
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Chiyo Yoshizane, Yasushi Nishizaki, Shigeyuki Arai, Masashi Kurimoto
  • Antitumor agent
    Patent number: 5710179
    Abstract: An antitumor agent comprising as an effective ingredient 3-?4-hydroxy-3,5-bis(3-methyl-2-butenyl)phenyl!-2-propenoic acid obtained from propolis and/or its physiologically acceptable salt(s). The agent exerts a strong antitumor activity without substantially inducing side effects.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: January 20, 1998
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Shigeyuki Arai, Yasushi Nishizaki, Tetsuo Kimoto, Masashi Kurimoto