Patents by Inventor Norihiro Ohtsuka

Norihiro Ohtsuka 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).

  • Thermal transfer recording medium
    Patent number: 8404321
    Abstract: A thermal transfer recording medium including a support, a release layer and an ink layer, the release layer and the ink layer being disposed in this order over the support, wherein the ink layer contains carnauba wax, an organic fatty acid having an acid value of 90 to 200, and at least one of a long-chain alcohol represented by Formula (1) and a long-chain alcohol represented by Formula (2), where R denotes a group containing 28 to 38 carbon atoms.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: March 26, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Tohmatsu, Kazuyoshi Inamura, Katsushi Shishido, Norihiro Ohtsuka, Toru Nagahashi, Yoshiro Takesue
  • Thermal Transfer Recording Medium
    Publication number: 20100297369
    Abstract: A thermal transfer recording medium including a support, a release layer and an ink layer, the release layer and the ink layer being disposed in this order over the support, wherein the ink layer contains carnauba wax, an organic fatty acid having an acid value of 90 to 200, and at least one of a long-chain alcohol represented by Formula (1) and a long-chain alcohol represented by Formula (2), where R denotes a group containing 28 to 38 carbon atoms.
    Type: Application
    Filed: May 24, 2010
    Publication date: November 25, 2010
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hiroshi Tohmatsu, Kazuyoshi Inamura, Katsushi Shishido, Norihiro Ohtsuka, Toru NAGAHASHI, Yoshiro Takesue