Patents by Inventor Kiyomaro Sudo

Kiyomaro Sudo 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).

  • Agricultural film
    Patent number: 5262233
    Abstract: An agricultural film comprising a thermoplastic resin film containing an ethylene copolymer with a hindered amine in its side chain and having coated thereon an anti-fogging agent comprising an inorganic hydrophilic colloidal substance and a hydrophilic organic compound and an anti-fogging agricultural film comprising a thermoplastic resin film containing an ethylene copolymer with a hindered amine in its side chain and, if desired, further containing a hydrotalcite compound, with an anti-fogging agent coated on the inside surface thereof or incorporated therein. The agricultural films have excellent weather resistance, anti-fogging properties, heat-retaining properties, and transparency.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: November 16, 1993
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Kiyomaro Sudo, Seiya Mori, Tadao Okada, Hajime Ikeno, Keiko Shichijo, Shunichi Ohnishi