Patents by Inventor Kazuyoshi Yatsushige

Kazuyoshi Yatsushige 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).

  • Reversible thermal-recording composite and rewritable reversible thermal-recording sheet and card using the same
    Patent number: 5972837
    Abstract: A reversible thermal-recording composite capable of exerting great performance for repeated use and yielding good printing quality at higher coloring concentrations is provided, wherein the coloring and fading reaction of a leuco dye with a coloring and fading agent is utilized and a specific coloring and fading agent, a specific inorganic filler and a specific amine compound and the like are used in the thermal-recording layer, and a thermal-recording sheet and a thermal-recording card using the same are also provided.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: October 26, 1999
    Assignee: Sliontec Corporation
    Inventors: Shoko Satoh, Kazuyoshi Yatsushige, Soichi Hasegawa, Kazuo Nate