Patents by Inventor Takeru Iizuka

Takeru Iizuka 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).

  • Publication number: 20110171334
    Abstract: An object is to provide a more potent novel antimicrobial active substance, which is derived from a naturally occurring substance and has a broad antimicrobial spectrum, and an antimicrobial active substance DM0507 obtained by a production process comprising the following steps (a) to (d): (a) culturing Bacillus subtilis; (b) collecting the supernatant from the obtained culture; (c) collecting the precipitate formed by adjusting the pH of the supernatant to 3 or lower; and (d) performing extraction from the precipitate with ethanol is provided.
    Type: Application
    Filed: May 19, 2010
    Publication date: July 14, 2011
    Applicants: AHC Co., Ltd., AIM Asset Management Co., Ltd.
    Inventors: Naomi YAMASHITA, Takeru IIZUKA, Taiji NAKAE, Sachiko SATAKE
  • Publication number: 20080193577
    Abstract: An object is to provide a more potent novel antimicrobial active substance, which is derived from a naturally occurring substance and has a broad antimicrobial spectrum, and an antimicrobial active substance DM0507 obtained by a production process comprising the following steps (a) to (d): (a) culturing Bacillus subtilis; (b) collecting the supernatant from the obtained culture; (c) collecting the precipitate formed by adjusting the pH of the supernatant to 3 or lower; and (d) performing extraction from the precipitate with ethanol is provided.
    Type: Application
    Filed: November 4, 2005
    Publication date: August 14, 2008
    Applicants: AHC Co., Ltd., AIM Asset Management Co., Ltd.
    Inventors: Naomi Yamashita, Takeru Iizuka, Taiji Nakae, Sachiko Satake