Patents by Inventor Ryouchi Shimura

Ryouchi Shimura 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: 5087527
    Abstract: A thermal transfer recording medium possesses an ink layer. The ink layer comprises a first thermally fusible material layer stacked on one surface of a heat resistant supporting material, at least one second thermally fusible material layer stacked on the first thermally fusible material layer, and a third thermally fusible material layer stacked on the second thermally fusible material layer. An elongation rate of the second thermally fusible material layer at 20.degree. C. is higher than the respective elongation rates of the first and third thermally fusible material layers at 20.degree. C.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: February 11, 1992
    Assignee: Ricoh Company, Ltd.
    Inventors: Ryouchi Shimura, Motoo Tasaka, Minoru Hakiri, Youji Ide