Patents by Inventor Masayuki Okabe

Masayuki Okabe 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: 5239006
    Abstract: Cycloolefin random copolymer compositions which contain a blend of at least two or three cycloolefin random copolymers are disclosed. The random copolymers are obtained by copolymerization of ethylene and at least one of two cycloolefins. The resin compositions exhibit excellent moldability and transparency, heat resistance, thermal aging resistance, chemical resistance, solvent resistance, dielectric and mechanical characteristics and transferability of the pit.
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: August 24, 1993
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Toshihiro Sagane, Masayuki Okabe