Patents by Inventor Kunio Saugusa

Kunio Saugusa 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).

  • METHOD FOR PURIFYING MATERIAL CONTAINING METALLOID ELEMENT OR METAL ELEMENT AS MAIN COMPONENT
    Publication number: 20110167961
    Abstract: It is possible to efficiently obtain a purified material from a material containing a metalloid element such as silicon or metal element as the main component, and an impurity. The method for purifying a material, comprising bringing a material containing a metalloid element or metal element as the main component, and an impurity into contact with a compound represented by the following formula (1): AlX3 ??(1) wherein X is a halogen atom; to remove the impurity from the material.
    Type: Application
    Filed: August 10, 2009
    Publication date: July 14, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kunio Saugusa, Hiroshi Tabuchi, Tomohiro Megumi