Patents by Inventor Tatsushi Sugiyama

Tatsushi Sugiyama 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: 6936673
    Abstract: An anti-bonding agent for blast furnace slag or its grading adjusted slag which includes one or more polymers having a main constituent unit shown by by a greater molar percentage than any other constituent unit where M is hydrogen atom, alkali metal such as sodium, alkali earth metal, ammonium or organic amine is used in an amount of 0.002-0.3 weight parts for 100 weight parts of such blast furnace slag or its grading adjusted slag, and may be applied as an aqueous solution with concentration of 1.5-10 weight %.
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: August 30, 2005
    Assignees: Takemoto Yushi Kabushiki Kaisha, Kokan Mining Co., Ltd.
    Inventors: Hiroyuki Mitsufuji, Chiaki Yoshizawa, Takashi Wada, Atsushi Yamaguchi, Tomoo Takahashi, Mitsuo Kinoshita, Tatsushi Sugiyama
  • Publication number: 20050065306
    Abstract: An anti-bonding agent for blast furnace slag or its grading adjusted slag includes one or more polymers having a main constituent unit shown by by a greater molar percentage than any other constituent unit where M is hydrogen atom, alkali metal such as sodium, alkali earth metal, ammonium or organic amine. Such an agent is used in an amount of 0.002-0.3 weight parts for 100 weight parts of such blast furnace slag or its grading adjusted slag, and may be applied as an aqueous solution with concentration of 1.5-10 weight %.
    Type: Application
    Filed: November 2, 2004
    Publication date: March 24, 2005
    Inventors: Hiroyuki Mitsufuji, Chiaki Yoshizawa, Takashi Wada, Atsushi Yamaguchi, Tomoo Takahashi, Mitsuo Kinoshita, Tatsushi Sugiyama
  • Publication number: 20030110896
    Abstract: An anti-bonding agent for blast furnace slag or its grading adjusted slag includes one or more polymers having a main constituent unit shown by 1
    Type: Application
    Filed: September 4, 2002
    Publication date: June 19, 2003
    Applicant: Kokan Mining Co., Ltd.
    Inventors: Hiroyuki Mitsufuji, Chiaki Yoshizawa, Takashi Wada, Atsushi Yamaguchi, Tomoo Takahashi, Mitsuo Kinoshita, Tatsushi Sugiyama