Patents by Inventor Hiromitu Asai

Hiromitu Asai 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: 6288342
    Abstract: An insulated wire having excellent fabricability causing no cracking in the film even after severe winding or rolling fabrication and also having heat resistance comparable to that of polyamideimide is disclosed, in which a first insulation layer of a thermosetting resin composition having a Tg of 250° C. or higher is formed on a conductor, on which a second insulation layer formed of a mixture of a thermosetting resin composition having a Tg of 250° C. or higher and a thermoplastic resin composition having a Tg of 140° C.
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: September 11, 2001
    Assignees: Sumitomo Electric Industries, Ltd., Denso Corporation
    Inventors: Isao Ueoka, Masaaki Yamauchi, Masaharu Kurata, Yoshihiro Nakazawa, Yuki Matsuura, Hideyuki Hashimoto, Hiromitu Asai, Shinichi Matsubara, Makoto Takahashi