Patents by Inventor Kunihiko Yuuen

Kunihiko Yuuen 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 producing D-glucuronolactone
    Patent number: 5912361
    Abstract: Trehalose is oxidized to give oxidized trehalose which then is hydrolyzed to produce D-glucuronolactone which is thereafter recovered to realize high-yield and low-cost production of D-glucuronolactone.
    Type: Grant
    Filed: March 9, 1998
    Date of Patent: June 15, 1999
    Assignees: Chugoku Kayaku Kabushiki Kaisha, Hayashibara Biochemical Laboratories, Inc.
    Inventors: Toshiki Tsuchioka, Tadashi Yamaguchi, Kunihiko Yuuen, Hiroto Chaen