Patents by Inventor Susumu Yamasawa

Susumu Yamasawa 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).

  • Patent number: 6221828
    Abstract: The detergent composition is excellent in both detergency and sterilizing properties, causes less corrosion and/or damage to plastic and comprises (A) an alkyl polyglycoside, (B) a germicide selected from a cationic germicide, a biguanide germicide and an amino acid germicide and (C) a fatty acid salt respectively at specific proportions.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: April 24, 2001
    Assignee: Kao Corporation
    Inventors: Noboru Matsuo, Yoshihiro Yamazaki, Sumitoshi Ito, Takashi Itoi, Toshikazu Azuma, Susumu Yamasawa
  • Patent number: 5407921
    Abstract: A method for suppressing a bitter taste of material to be placed in mouth or in contact with mouth, such as foods, drinks, pharmaceuticals, comprises adding an acidic phospholipid or an acidic lysophospholipid to the material.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: April 18, 1995
    Assignee: Kao Corporation
    Inventors: Yoshihisa Katsuragi, Takeshi Yasumasu, Tomoshige Umeda, Susumu Yamasawa, Yuki Mitsui