Patents by Inventor Moriyasu Nagai

Moriyasu Nagai 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 image transfer recording medium
    Patent number: 5250346
    Abstract: A thermal image transfer recording medium is composed of a support and a thermofusible ink layer formed on the support, with the water-content ratio of the recording medium excluding the support being in the range of 0.3 to 4.0 wt. % of the total weight of the recording medium excluding the support.
    Type: Grant
    Filed: July 31, 1991
    Date of Patent: October 5, 1993
    Assignee: Ricoh Company, Ltd.
    Inventors: Moriyasu Nagai, Yuichi Taka, Tadafumi Tatewaki, Shigeru Miyajima, Yoshihiko Hiyoshi, Youji Ide, Nobuyuki Maeda, Kumi Surizaki, Tetsuji Kunitake
  • Thermal image transfer recording medium
    Patent number: 5229189
    Abstract: A thermal image transfer recording medium is composed of a support and a thermofusible ink layer formed thereon, and the thermofusible ink layer contains as the main components a coloring agent, a wax component and a rubber elastomer component which is discontinuously dispersed in the form of layers in the thermofusible ink layer, or is composed of a first ink layer containing a wax component and a rubber elastomer and a second ink layer containing a coloring agent, a wax component and a binder resin, which is overlaid on the first ink layer.
    Type: Grant
    Filed: July 10, 1991
    Date of Patent: July 20, 1993
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoshihiko Hiyoshi, Tetsuji Kunitake, Shigeru Miyajima, Yuichi Taka, Moriyasu Nagai, Tadafumi Tatewaki, Youji Ide, Nobuyuki Maeda, Kumi Surizaki