Patents by Inventor Ryoji Hidaka

Ryoji Hidaka 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).

  • Tocotrienol derivative, process for producing the same and &ggr;-CEHC delivering agent
    Patent number: 6599933
    Abstract: The object of the present invention is to provide a tocotrienol derivative which is highly water-soluble and shows high bioavailability in the living body and &ggr;-CEHC delivering agent. (A tocotrienolcarboxylic acid ester derivative represented by the general formula (I). (wherein R2 means a carboxylic acid residue having a nitrogen substituent, and R1 and R3 mean a hydrogen atom or a methyl group.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: July 29, 2003
    Assignees: Kenko Corporation
    Inventors: Jiro Takata, Takeshi Fukushima, Kazuhiro Imai, Yoshiharu Karube, Kazuhisa Matsunaga, Michihiro Fujiwara, Akihiro Hattori, Ryoji Hidaka, Katsunori Iwasaki, Kenichi Mishima, Shizuko Kobayashi
  • Tocotrienol derivative, process for producing the same and gamma-CEHC delivering agent
    Publication number: 20030027857
    Abstract: The object of the present invention is to provide a tocotrienol derivative which is highly water-soluble and shows high bioavailability in the living body and &ggr;-CEHC delivering agent.
    Type: Application
    Filed: March 2, 2001
    Publication date: February 6, 2003
    Applicant: Jiro Takata
    Inventors: Jiro Takata, Takeshi Fukushima, Kazuhiro Imai, Yoshiharu Karube, Kazuhisa Matsunaga, Michihiro Fujiwara, Akihiro Hattori, Ryoji Hidaka, Katsunori Iwasaki, Kenichi Mishima, Shizuko Kobayashi
  • Polyamide resin composition
    Patent number: 4298518
    Abstract: A polyamide resin composition comprises melamine cyanurate with or without a copper compound, an alkali metal halide, a tin compound, a bisamide compound or a bisureido compound.
    Type: Grant
    Filed: August 24, 1977
    Date of Patent: November 3, 1981
    Assignee: Mitsubishi Chemical Industries, Ltd.
    Inventors: Yasuhiro Ohmura, Yukinobu Murakami, Ryoji Hidaka