Patents Assigned to Tomoe Works Co., Ltd.
  • Ultrafine particles comprising an organometallic core and process for the production thereof
    Patent number: 6358611
    Abstract: Primarily dedicated to the production of ultrafine particles with good dispersion stability on a industrial scale, the invention provides ultrafine particles characterized in that each of its constituent particles comprises a shell substantially composed of a metal organic compound and a core substantially composed of the metal derived from the metal organic compound, the ultrafine particles having a mean diameter of 1-100 nm, and a process for producing the ultrafine particles.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: March 19, 2002
    Assignees: Tomoe Works Co., Ltd., Osaka Municipal Government
    Inventors: Hiroshi Nagasawa, Masami Nakamoto
  • Material and process for forming composite film
    Patent number: 5885716
    Abstract: Using a material comprising a metal organic compound and an inorganic filler, a composite film is obtained by coating a substrate with said material and heat-treating the coating. The obtained composite film improves the properties of the substrate.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: March 23, 1999
    Assignees: Osaka Municipal Government, Tomoe Works Co., Ltd.
    Inventors: Hiroshi Nagasawa, Masami Nakamoto