Patents by Inventor Toshio Kayahashi

Toshio Kayahashi 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: 7162785
    Abstract: The recycling of metal materials is performed by efficiently recovering the metal materials from component materials of a process cartridge. To achieve this object, there is provided a method of recycling a process cartridge containing a toner, wherein in a crushing process of a process cartridge containing a recovered toner, a container shape of the process cartridge is subjected to disassembly treatment to an extent of main component parts, the toner is recovered by suction in a step of disassembly treatment, metal materials, such as ferrous materials and aluminum materials, in component materials of the process cartridge are subjected to separation treatment after the step of disassembly treatment, and each of the materials is subjected to melting treatment thereby to change the materials into forms capable of reuse as ferrous materials and aluminum materials.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: January 16, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noboru Koumura, Toshio Kayahashi
  • Publication number: 20050076487
    Abstract: The present invention has as its object to perform the recycling of metal materials by efficiently recovering the metal materials from component materials of a process cartridge. To achieve this object, there is provided a method of recycling a process cartridge containing a toner, wherein in a crushing process of a process cartridge containing a recovered toner, a container shape of the process cartridge is subjected to disassembly treatment to an extent of main component parts, the toner is recovered by suction in a step of disassembly treatment, metal materials, such as ferrous materials and aluminum materials, in component materials of the process cartridge are subjected to separation treatment after the step of disassembly treatment, and each of the materials is subjected to melting treatment thereby to change the materials into forms capable of reuse as ferrous materials and aluminum materials.
    Type: Application
    Filed: December 19, 2003
    Publication date: April 14, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Noboru Koumura, Toshio Kayahashi