Patents by Inventor Manabu Fujiya

Manabu Fujiya 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).

  • Carbon fiber and carbon fiber-reinforced resin composition using it
    Patent number: 5229202
    Abstract: A carbon fiber having its surface coated with a copolymer composed of a diamine compound, a dicarboxylic acid compound and a glycidyl polyalkylene oxide derivative of the following formula (I), wherein the copolymer contains said polyalkylene oxide derivative in an amount of from 10 to 50% by weight as in the monomer composition: ##STR1## wherein R.sup.1 is H or an alkyl group having not more than 20 carbon atoms, R.sup.2 is H or CH.sub.3, and n is an integer of from 1 to 40.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: July 20, 1993
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Shigeki Tomono, Yoshihiro Sakamoto, Yasushi Omata, Manabu Fujiya