Patents by Inventor Yasuaki Uda

Yasuaki Uda 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).

  • Water-purifying material, a process for manufacturing the same and a process for purifying water
    Patent number: 5342528
    Abstract: A water purifying material containing (1) an activated carbon having (a) silver and/or an inorganic silver compound and (b) a water soluble alkaline earth metal salt supported thereon and (2) a bone-char, which can significantly inhibit the dissolution of silver and can be used for a long period of time.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: August 30, 1994
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kiyoshi Adachi, Yasuaki Uda, Masayuki Suzuki