Patents by Inventor Toshihiro Mitsuzuka

Toshihiro Mitsuzuka 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 AND SYSTEM FOR PURIFYING SILICON
    Publication number: 20120097523
    Abstract: [Objects] To improve productivity and reduce thermal energy consumption in manufacturing of high purity silicon as a raw material for metallurgical grade pure silicon.
    Type: Application
    Filed: April 27, 2010
    Publication date: April 26, 2012
    Applicant: UMK TECHNOLOGIES CO., LTD.
    Inventors: Nobuyuki Mori, Hiroshi Yano, Toshiyuki Shiroishi, Takashi Ushida, Nobuhiro Shimizu, Noriyuki Takahashi, Toshihiro Mitsuzuka