Patents by Inventor Tsutomu Isaki

Tsutomu Isaki 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).

  • Heat storage material composition
    Patent number: 5785885
    Abstract: Provided is a heat storage material composition comprising at least one sugar alcohol selected from erythritol, mannitol and galactitol, and a salt which is sparingly soluble in the sugar alcohol. The heat storage material composition of the present invention can stably be used for a long period of time since the crystallization temperature is not decreased even if heat absorption and heat radiation are repeated.
    Type: Grant
    Filed: July 5, 1996
    Date of Patent: July 28, 1998
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Hiroyuki Kakiuchi, Shoichi Chihara, Masanori Yamazaki, Tsutomu Isaki