Patents by Inventor Yoshihiko Maruta

Yoshihiko Maruta 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).

  • Deterioration preventive agent for milk-containing foods
    Patent number: 6838103
    Abstract: Disclosed are a deterioration preventive agent for milk-containing foods containing as its active ingredient a coumarin analog represented by the general formula (1) below, a glycoside of that analog, or a plant extract containing the coumarin analog or its glycoside: (wherein R1 represents a hydrogen atom, a hydroxyl group or a methoxy group, R2 represents a hydrogen atom or a hydroxyl group, and R1 and R2 are not both hydrogen atoms). The deterioration preventive agent according to the present invention demonstrates superior deterioration preventive effects for milk-containing foods. In addition, the deterioration preventive agent provided by the present invention is friendly to the environment and people.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: January 4, 2005
    Assignee: Takasago International Corporation
    Inventors: Tadahiro Hiramoto, Kenji Saiki, Nobutada Kaneko, Yoshihiko Maruta, Kazumasa Sakamoto
  • Deterioration preventive agent for milk-containing foods
    Publication number: 20020197370
    Abstract: Disclosed are a deterioration preventive agent for milk-containing foods containing as its active ingredient a coumarin analog represented by the general formula (1) below, a glycoside of that analog, or a plant extract containing the coumarin analog or its glycoside: 1
    Type: Application
    Filed: March 14, 2002
    Publication date: December 26, 2002
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Tadahiro Hiramoto, Kenji Saiki, Nobutada Kaneko, Yoshihiko Maruta, Kazumasa Sakamoto
  • Anti-deterioration agent for food flavors, method for preventing deterioration of food flavors, and foods containing anti-deterioration agent for food flavors
    Patent number: 6475544
    Abstract: Disclosed is an anti-deterioration agent for food flavors which comprises at least one coumarin derivative represented by formula (I): wherein R1 represents a hydrogen atom, a hydroxyl group or a methoxy group, and R2 represents a hydrogen atom or a hydroxyl group, provided that R1 and R2 do not represent a hydrogen atom simultaneously.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: November 5, 2002
    Assignee: Takasago International Corporation
    Inventors: Tadahiro Hiramoto, Kenji Saiki, Satoshi Masumura, Toru Shimizu, Tomoya Yamashita, Nobutada Kaneko, Yoshihiko Maruta