Patents by Inventor Michiya Sugiyama

Michiya Sugiyama 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: 5948866
    Abstract: A powder paint composition and application method therefor are provided which can form a paint coating which has superior mar resistance and for which the external appearance, such as its smoothness and sharpness, is excellent.This paint powder composition comprises a multi-functional vinyl-type copolymer (A) which has a glass transition temperature of 40.degree. C. and which contains functional groups which are reactable with carboxylic acid; a polycarboxylic acid (B); and a multi-functional vinyl-type copolymer (C) which has a glass transition temperature of 0.degree. C. and which contains functional groups which are reactable with carboxylic acid.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: September 7, 1999
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Hirofumi Takeda, Ikuo Nakaya, Michiya Sugiyama, Akio Shoji