Patents by Inventor Hidemitsu Onaka

Hidemitsu Onaka 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).

  • Shaped polyamide articles and process for manufacturing the same
    Patent number: 5194319
    Abstract: A shaped polyamide article, particularly of a fibrous structure or a film, is made of a polyamide containing at least one additive selected from the group consisting of dyes, pigments and modifying additives and specified polyesters derived from an alkylene dicarboxylic acid and diethylene glycol. A process for manufacturing the shaped polyamide article includes the steps of: compounding a molten polyamide with a liquid mixture containing the above defined additive and the above defined polyester as a vehicle; and melt-shaping the resulting compound.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: March 16, 1993
    Assignee: Kanebo, Ltd.
    Inventors: Hidemitsu Onaka, Hitoshi Tatsuno, Kazuyuki Fukazawa, Masahiro Yamabe