Patents by Inventor Koo Honjyo

Koo Honjyo 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).

  • Electrically insulated coil
    Patent number: 5075159
    Abstract: An electrically insulated coil manufactured with a composition comprising a poly-functional epoxy resin having at least three of p-(2,3-epoxy propoxy) phenyl groups and a bi-functional epoxy resin as a binding resin for a reinforced insulating base sheet and as an impregnation resin has no peeling off in its insulating layers and is capable to be used continuously under the temperature at 200.degree. C. or above.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: December 24, 1991
    Inventors: Tohru Koyama, Chikashi Kanno, Koo Honjyo, Noriyuki Kinjo, Ikushi Kano, Syoichi Maruyama