Patents by Inventor Kotaro Haruta

Kotaro Haruta 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: 8938193
    Abstract: A fuser unit includes: a cylindrical member; a heat generation member; a nip plate; a backup member that forms a nip portion; and a temperature detection member that detects a temperature of the nip plate. The nip plate has: a plate-shaped part that forms the nip portion; a lubricant restraint part that is formed on at least a part of a downstream side end of the plate-shaped part in a predetermined direction and that extends toward an inner side in a diametrical direction of the cylindrical member, and a detected part that extends from an end of the lubricant restraint part toward the predetermined direction. The detected part is formed to be shorter than the plate-shaped part in an axial direction of the cylindrical member, and both ends of the detected part in the axial direction are adjacent to a space.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: January 20, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Kaoru Suzuki, Kotaro Haruta
  • Publication number: 20130136511
    Abstract: A fuser unit includes: a cylindrical member; a heat generation member; a nip plate; a backup member that forms a nip portion; a temperature detection member that detects a temperature of the nip plate, wherein the nip plate has: a plate-shaped part that forms the nip portion; a lubricant restraint part that is formed on at least a part of a downstream side end of the plate-shaped part in a predetermined direction and that extends toward an inner side in a diametrical direction of the cylindrical member, and a detected part that extends from an end of the lubricant restraint part toward the predetermined direction, and wherein the detected part is formed to be shorter than the plate-shaped part in an axial direction of the cylindrical member, and both ends of the detected part in the axial direction are adjacent to a space.
    Type: Application
    Filed: September 24, 2012
    Publication date: May 30, 2013
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Kaoru Suzuki, Kotaro Haruta