Patents by Inventor Kazuaki Hirazawa

Kazuaki Hirazawa 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).

  • PROCESS FOR PRODUCTION OF CAROTENOID
    Publication number: 20100174118
    Abstract: A method for producing a composition containing carotenoid at a content of 80% or greater, characterized in performing extraction on a culture of a microorganism, a concentrate of the culture, or a dried substance thereof with at least one selected from the group consisting of lower alcohols, water-containing lower alcohols, lower dialkylketones and ethers; and then washing a precipitate, obtained by concentrating the extract solution, with at least one selected from the group consisting of lower alcohols, water-containing lower alcohols, hydrocarbon-based solvents and lower dialkylketones; and food, a pharmaceutical composition or a cosmetic substance comprising the carotenoid-containing composition.
    Type: Application
    Filed: March 28, 2007
    Publication date: July 8, 2010
    Applicants: Asahi Kasei Pharma Corporation, Nippon Oil Corporation
    Inventors: Tomoyuki Ishizaki, Satoru Ishikawa, Akira Tsubokura, Kazuaki Hirazawa