Patents by Inventor Kathuhiro Shinohara

Kathuhiro Shinohara 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).

  • Image forming method, image forming apparatus, varnish applicator, and toner
    Patent number: 8630573
    Abstract: An image forming method including forming a toner image on a transfer medium with a toner comprising a wax having a polar group, and applying a varnish to the toner image. The wax may be a plant wax having an ester group, a wax having a polar group derived from a fatty acid, an oxidized wax, or a mixture thereof. The varnish may include a surfactant, such as a polyoxyethylene glycol, and may be photocurable.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: January 14, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Masato Iio, Tsuyoshi Asami, Kentarou Matsumoto, Shinya Kobayashi, Akio Tsujita, Kathuhiro Shinohara, Tadashi Kasai, Takashi Bisaiji
  • Image forming method, image forming apparatus, varnish applicator, and toner
    Publication number: 20110223527
    Abstract: An image forming method including forming a toner image on a transfer medium with a toner comprising a wax having a polar group, and applying a varnish to the toner image. The wax may be a plant wax having an ester group, a wax having a polar group derived from a fatty acid, an oxidized wax, or a mixture thereof. The varnish may include a surfactant, such as a polyoxyethylene glycol, and may be photocurable.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 15, 2011
    Applicant: Ricoh Company, Ltd.
    Inventors: Masato Iio, Tsuyoshi Asami, Kentarou Matsumoto, Shinya Kobayashi, Akio Tsujita, Kathuhiro Shinohara, Tadashi Kasai, Takashi Bisaiji