Patents by Inventor Seiichi Rengakuji

Seiichi Rengakuji 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).

  • Titanium doxide photocatalyst carrier and process for its production
    Patent number: 6602607
    Abstract: A titanium dioxide photocatalyst carrier is prepared by coating a surface of a substrate with a titanium dioxide precursor solution prepared from a hydrolyzable titanium compound and an aromatic compound solvent, and then heat-treating the coated substrate thereby preparing a carrier coated with a thin layer of titanium oxide.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: August 5, 2003
    Assignees: Japan Carlit Co., Ltd., Shin Nikkei Company, Ltd., Asahi Glass Company, Limited
    Inventors: Seiichi Rengakuji, Yosuke Hara, Akihiro Shinagawa
  • Titanium dioxide photocatalyst carrier and process for its production
    Publication number: 20020025428
    Abstract: It is intended to provide a titanium dioxide photocatalyst carrier which exhibits a high photocatalytic activity and which has, as a surface layer, titanium dioxide excellent in abrasion resistance, and a process for its production.
    Type: Application
    Filed: March 27, 2001
    Publication date: February 28, 2002
    Applicant: Seiichi Rengakuji
    Inventors: Seiichi Rengakuji, Yosuke Hara, Akihiro Shinagawa
  • Process for preparing styrene oxide
    Patent number: 5155241
    Abstract: Styrene oxide is prepared by reacting styrene and hydrogen peroxide in a heterogenous system in the presence of a bis(tri-n-alkyltinoxy) molybdic acid and an inorganic anion.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: October 13, 1992
    Assignee: Tokai Denka Kogyo Kabushiki Kaisha
    Inventors: Keiichi Nishibe, Seiichi Rengakuji, Masami Inoue, Osami Ohura, Hirohisa Nitoh