Patents by Inventor Junichi Ymanouchi

Junichi Ymanouchi 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).

  • Image recording medium, image recording method and heat coloring polymer compound
    Publication number: 20010016297
    Abstract: An image recording medium is disclosed which comprising: an acid generating agent capable of generating an acid by the action of heat or an acid, which is represented by the following formula (1); and a compound of causing variation in the absorption region of from 360 to 900 nm by the intramolecular or intermolecular reaction triggered by the action of an acid:
    Type: Application
    Filed: December 21, 2000
    Publication date: August 23, 2001
    Inventors: Tatsuhiko Obayashi, Junichi Ymanouchi, Atsuhiro Ohkawa