Patents by Inventor Megumu Shimomi

Megumu Shimomi 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).

  • Patent number: 4732749
    Abstract: Long potassium titanate fibers (100-3000 .mu.m) made by heat reaction in gas permeable calcination vessel, made of material containing at least 25 wt %, preferably at least 50 wt %, MgO to prevent plugging of the vessel during the reaction and maintain gas permeation.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: March 22, 1988
    Assignee: Kyushu Refractories Co., Ltd.
    Inventors: Akira Watanabe, Yoshimitsu Takeuchi, Gouji Saeki, Megumu Shimomi