Patents by Inventor Akio Tsuchii

Akio Tsuchii 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).

  • Method of decomposing hard type rubber products
    Patent number: 5854058
    Abstract: The present invention relates to a method of decomposing hard type rubber products, which comprises treating hard type rubber products with a microorganism belonging to the genus Nocardia in the presence of soft type rubber products. According to the present invention, hard type rubber products, particularly tires, can be efficiently decomposed.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: December 29, 1998
    Assignee: Director-General of Agency of Industrial Science and Technology
    Inventors: Akio Tsuchii, Kiyoshi Takeda, Yutaka Tokiwa