Patents by Inventor Hisaki OKAMOTO

Hisaki OKAMOTO 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: 10729926
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid, N-methyl-2-pyrrolidone and a fluoride; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 4, 2020
    Assignees: KOKIGUMI CO., LTD., NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu Myoga, Koichi Takahashi, Kazuhiro Iizuka, Yuhei Matsubara, Toshiyuki Tanaka, Hisaki Okamoto
  • Patent number: 10722742
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid and N-methyl-2-pyrrolidone; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: July 28, 2020
    Assignees: KOKIGUMI CO., LTD, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu Myoga, Koichi Takahashi, Kazuhiro Iizuka, Yuhei Matsubara, Toshiyuki Tanaka, Hisaki Okamoto
  • Publication number: 20190374805
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid and N-methyl-2-pyrrolidone; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Application
    Filed: July 6, 2018
    Publication date: December 12, 2019
    Applicants: KOKIGUMI CO., LTD, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu MYOGA, Koichi TAKAHASHI, Kazuhiro IIZUKA, Yuhei MATSUBARA, Toshiyuki TANAKA, Hisaki OKAMOTO
  • Publication number: 20190358480
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid, N-methyl-2-pyrrolidone and a fluoride; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Application
    Filed: July 6, 2018
    Publication date: November 28, 2019
    Applicants: KOKIGUMI CO., LTD, KOKIGUMI CO., LTD, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu MYOGA, Koichi TAKAHASHI, Kazuhiro IIZUKA, Yuhei MATSUBARA, Toshiyuki TANAKA, Hisaki OKAMOTO