Patents by Inventor Junichi Ootake

Junichi Ootake 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).

  • Publication number: 20140029972
    Abstract: Provided is an electrophotographic magnetic sealing member for sealing magnetic toner contains a magnetic material and a binder resin. The magnetic material at least includes Nd and Fe, and further includes at least one element selected from the group consisting of Sr and Ba, at least one element selected from the group consisting of Pr and La, at least one element selected from the group consisting of B, Si, In, and P, and an Al element. The magnetic material has a residual magnetic flux density of 270 mT to 500 mT, an intrinsic coercive force of 400 kA/m to 850 kA/m, and a maximum energy product of 10.0 kJ/m3 to 40.0 kJ/m3. The electrophotographic magnetic sealing member contains 3.0 parts by mass to 15.0 parts by mass of the binder resin based on 100.0 parts by mass of the magnetic material.
    Type: Application
    Filed: July 30, 2013
    Publication date: January 30, 2014
    Applicant: CANON KASEI KABUSHIKI KAISHA
    Inventors: Keisuke Sakai, Takaaki Kohtaki, Junichi Ootake