Patents by Inventor Yoshimichi Ono

Yoshimichi Ono 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).

  • Thermosetting resin composition comprising maleimide, anhydride, epoxy resin and wollastonite
    Patent number: 5276073
    Abstract: A thermosetting resin composition useful for slot insulation purposes is disclosed, which includes:a liquid epoxy resin;a curing agent including an acid anhydride;a maleimide resin in an amount of 3-50 parts by weight per 100 parts by weight of the liquid epoxy resin; andfinely divided wollastonite in an amount of 50-400 parts by weight per 100 parts by weight of the liquid epoxy resin.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: January 4, 1994
    Assignees: Somar Corporation, Hitachi, Ltd.
    Inventors: Ichiro Akutagawa, Kunimitsu Matsuzaki, Toshio Matsuo, Ryuichi Fujii, Satoru Umeki, Yoshimichi Ono, Takeo Miyamoto, Koki Ueta, Naoki Kamada