Patents by Inventor Hiroshige Yasumoto

Hiroshige Yasumoto 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).

  • Resin compositions including ceramics emitting far infrared rays
    Patent number: 5151463
    Abstract: Resin compositions comprising hygroscopic resins of relatively high water absorption rate, including (or coated by, or covered by) ceramics capable of emitting far infrared rays. The resin compositions are useful as materials of devices or receptacles for maintaining freshness of food or water.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: September 29, 1992
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Koji Hayafune, Shinichi Naemura, Hiroshige Yasumoto, Hideo Amemiya