Patents by Inventor Takeshi Tuyama

Takeshi Tuyama 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).

  • Aqueous resin dispersion
    Patent number: 5939159
    Abstract: The invention provides an aqueous resin dispersion that comprises 1) an acrylic resin (A), 2) an aromatic epoxy resin (B), and 3) a bisphenol F product (C) that are dispersed in an aqueous medium at a pH of from about 4 to 11. The invention also provides an aqueous base-coat agent, coated substrates and coating methods that comprises the aqueous resin dispersion.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: August 17, 1999
    Assignee: Toyo Manufacturing Company, Ltd.
    Inventors: Teruo Shiono, Masami Yamada, Sanji Harada, Masahiro Ihara, Takeshi Tuyama, Tetsuhisa Nakamura