Patents by Inventor Yoshihiko Yoneda

Yoshihiko Yoneda 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: 9751352
    Abstract: A main purpose of the present invention is to provide a heat-sensitive recording medium that utilizes a chromogenic reaction between a dye precursor and a developer, wherein a colored image is tinged with a metallic luster so as to exhibit a gold metal color tone with a vivid appearance, or to provide a heat-sensitive recording medium exhibiting a yellow or gold metal color tone and a color tone different from the yellow or gold metal color tone, wherein the color optical density in each of the color tones is high, and a recording part has excellent color separation properties.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: September 5, 2017
    Assignee: OJI HOLDINGS CORPORATION
    Inventors: Yoshihiko Yoneda, Chieko Oshisaka, Takashi Takemura, Tohru Murai
  • Publication number: 20160059604
    Abstract: A main purpose of the present invention is to provide a heat-sensitive recording medium that utilizes a chromogenic reaction between a dye precursor and a developer, wherein a colored image is tinged with a metallic luster so as to exhibit a gold metal color tone with a vivid appearance, or to provide a heat-sensitive recording medium exhibiting a yellow or gold metal color tone and a color tone different from the yellow or gold metal color tone, wherein the color optical density in each of the color tones is high, and a recording part has excellent color separation properties.
    Type: Application
    Filed: May 1, 2014
    Publication date: March 3, 2016
    Applicant: OJI HOLDINGS CORPORATION
    Inventors: Yoshihiko YONEDA, Chieko OSHISAKA, Takashi TAKEMURA, Tohru MURAI
  • Patent number: 8476191
    Abstract: The present invention relates to a heat-sensitive recording material comprising one or more heat-sensitive recording layers, an intermediate layer and a protective layer that are formed on one side of a transparent support, and the present inventions provide a heat-sensitive recording material and a process for providing the heat-sensitive recording material, wherein the one or more heat-sensitive recording layers are formed from one or more heat-sensitive recording layer coating compositions that each contain a leuco dye and a developer, the intermediate layer is formed from an intermediate layer coating composition that contains a hydrazine-based compound and an oxazoline group-containing compound, and the protective layer is formed from a protective layer coating composition that contains a modified polyvinyl alcohol.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: July 2, 2013
    Assignee: Oji Holdings Corporation
    Inventors: Toshiro Hada, Yoshihiko Yoneda
  • Publication number: 20110177942
    Abstract: The present invention relates to a heat-sensitive recording material comprising one or more heat-sensitive recording layers, an intermediate layer and a protective layer that are formed on one side of a transparent support, and the present inventions provide a heat-sensitive recording material and a process for providing the heat-sensitive recording material, wherein the one or more heat-sensitive recording layers are formed from one or more heat-sensitive recording layer coating compositions that each contain a leuco dye and a developer, the intermediate layer is formed from an intermediate layer coating composition that contains a hydrazine-based compound and an oxazoline group-containing compound, and the protective layer is formed from a protective layer coating composition that contains a modified polyvinyl alcohol.
    Type: Application
    Filed: October 2, 2009
    Publication date: July 21, 2011
    Applicant: OJI PAPER CO., LTD.
    Inventors: Toshiro Hada, Yoshihiko Yoneda