Patents by Inventor Kei Nanbu

Kei Nanbu 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).

  • Fluororesin tube for fixing member for copier and printer
    Patent number: 7651749
    Abstract: 1. A fluororesin tube in which the machine direction shrinkage rate is 1 to 8% and the transverse direction shrinkage rate is 2 to 8%, upon heating to 150° C. 2. A fluororesin tube in which the machine direction expansion rate is 0.5 to 4% and the transverse direction shrinkage rate is 1 to 6%, upon heating to 150° C. 3. A fluororesin tube in which the machine direction shrinkage rate is 1 to 8% and the transverse direction expansion rate is 1 to 4%, upon heating to 150° C.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: January 26, 2010
    Assignee: Gunze Limited
    Inventors: Kei Nanbu, Masaki Kurokawa, Shinji Haruyama
  • Fluororesin tube for fixing member for copier and printer
    Publication number: 20040048020
    Abstract: 1. A fluororesin tube in which the machine direction shrinkage rate is 1 to 8% and the transverse direction shrinkage rate is 2 to 8%, upon heating to 150° C. 2. A fluororesin tube in which the machine direction expansion rate is 0.5 to 4% and the transverse direction shrinkage rate is 1 to 6%, upon heating to 150° C. 3. A fluororesin tube in which the machine direction shrinkage rate is 1 to 8% and the transverse direction expansion rate is 1 to 4%, upon heating to 150° C.
    Type: Application
    Filed: June 30, 2003
    Publication date: March 11, 2004
    Inventors: Kei Nanbu, Masaki Kurokawa, Shinji Haruyama