Patents by Inventor Haruhiro Horiuchi

Haruhiro Horiuchi 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 thermosensitive recording material
    Patent number: 5869421
    Abstract: A reversible thermosensitive recording material has a support and a reversible thermosensitive recording layer formed thereon, capable of reversibly assuming at least two different visible states depending upon the temperature thereof, containing an organic low-molecular weight material and a resin composition in which the organic low-molecular weight material is dispersed, the resin composition including a matrix resin, and a dispersion resin which has a glass transition temperature higher than that of the matrix resin, and having resin aggregates which are separately dispersed in the matrix resin in such a manner that the resin aggregates are associated with the matrix resin.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: February 9, 1999
    Assignee: Ricoh Company, Ltd.
    Inventors: Atsushi Kutami, Tohru Nogiwa, Fumihito Masubuchi, Haruhiro Horiuchi, Tetsuya Amano