Patents by Inventor Yasuyuki Sadzuka

Yasuyuki Sadzuka 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).

  • Intracellular Drug Delivery Improving Liposome
    Publication number: 20070286898
    Abstract: [Problem] To provide a drug delivery system which is retained in the blood circulation and improves pharmacological effect of the drug in the target organ and cell. [Means for Resolution] A drug-containing liposome for use in the treatment with a liposome prepared by employing polyethylene glycol cholesteryl ether as a part of the liposome-forming agent and using said liposome-forming agent. It is possible to obtain excellent drug effect by further employing a polyethylene glycol diacylglycerol ester as a part of the liposome-forming agent.
    Type: Application
    Filed: August 30, 2005
    Publication date: December 13, 2007
    Applicants: ASTELLAS PHARMA INC., TAKASHI SONOBE
    Inventors: Akira Takagi, Noboru Yamashita, Takashi Sonobe, Yasuyuki Sadzuka
  • ALCOHOL-METABOLISM ENHANCING COMPOSITION AND INGESTA CONTAINING THE SAME
    Publication number: 20070213400
    Abstract: An alcohol-metabolism enhancing composition contains theanine. The composition may be contained in ingesta. Theanine has an effect of quickly reducing blood alcohol concentration, thereby easing or improving troubles due to alcoholic ingestion such as hangover or alcoholic hepatic insufficiency.
    Type: Application
    Filed: May 2, 2005
    Publication date: September 13, 2007
    Applicant: Taiyokagaku Co., Ltd.
    Inventors: Tsutomu Okubo, Makoto Ozeki, Yasuyuki Sadzuka, Lekh Juneja