Patents by Inventor Norihito Ueki

Norihito Ueki 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).

  • Vulcanizable rubber composition and vulcanized rubber
    Patent number: 5446097
    Abstract: A vulcanizable rubber composition comprising a conjugated diene rubber (A), an ethylene-alpha-olefin copolymer rubber (B) and a styrene oligomer (C) is provided. The composition is capable of providing a vulcanized rubber which is excellent not only in weather resistance and heat aging characteristics, but also in mechanical strength.
    Type: Grant
    Filed: September 21, 1993
    Date of Patent: August 29, 1995
    Assignee: Mitsui Petrochemical Industries Ltd.
    Inventors: Shuichi Nonaka, Norihito Ueki, Takashi Mishima