Patents by Inventor Tetsuji Chohji

Tetsuji Chohji 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).

  • Fluorine insolubilizers and methods of producing same
    Patent number: 8333908
    Abstract: A fluorine insolubilizer capable of sufficiently insolubilizing fluorine within a short time contains calcium hydrogen phosphate dihydrate in an amount of 95-40 mass % and hydroxy or hydroxyl apatite in an amount of 5-60 mass % for a total of 100 mass %.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: December 18, 2012
    Assignee: Chiyoda Ute Co., Ltd.
    Inventors: Masamoto Tafu, Tetsuji Chohji, Takeshi Toshima, Takumi Fujita, Hirokazu Nakano, Ichiro Morioka, Katsumi Mori, Makoto Maeda, Kazumasa Takenaka
  • FLUORINE INSOLUBILIZERS AND METHODS OF PRODUCING SAME
    Publication number: 20110272638
    Abstract: A fluorine insolubilizer capable of sufficiently insolubilizing fluorine within a short time contains calcium hydrogen phosphate dihydrate in an amount of 95-40 mass % and apatite hydroxide in an amount of 5-60 mass % for a total of 100 mass %.
    Type: Application
    Filed: May 4, 2011
    Publication date: November 10, 2011
    Applicants: Chiyoda Ute Co., Ltd., Institute of National Colleges of Technology, Japan
    Inventors: Masamoto Tafu, Tetsuji Chohji, Takeshi Toshima, Takumi Fujita, Hirokazu Nakano, Ichiro Morioka, Katsumi Mori, Makoto Maeda, Kazumasa Takenaka