Patents by Inventor Yoichi Nobuhara

Yoichi Nobuhara 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).

  • 5-arylpyrrole derivatives
    Patent number: 6294568
    Abstract: The present invention provides compounds represented by the general formula (I): and a salt thereof, and anti-inflammatory agents and antitumor agents containing the compounds as the active ingredients.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: September 25, 2001
    Assignee: Nissin Food Products Co., Ltd.
    Inventors: Toshihiro Yamada, Yoichi Nobuhara, Kazuhiro Kobayashi, Satoshi Hirano, Takanobu Sakurai, Hiroshi Mikami, Ayako Miyake
  • Cyclohexanediurea derivative and process for its production
    Patent number: 5733931
    Abstract: The present invention provides a cyclohexanediurea derivative, inclusive of its salt, represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and they each represent a straight-chain or branched alkyl group having at least 3 carbons, a cycloalkyl group, a cycloalkyl group having a bridge head, a furyl group, a furyl lower alkyl group or an aralkyl group, A.sub.1 and A.sub.2 are the same or different and they each represent a phenyl, pyridyl, quinolyl, isoquinolyl or indolyl group which may have substituents; a process for production thereof; an intermediate thereof; pharmaceutical use, a method for treatment and use thereof.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: March 31, 1998
    Assignee: Nissin Food Products Co., Ltd.
    Inventors: Toshihiro Yamada, Yoichi Nobuhara, Ichinari Takagi, Shiho Furumoto, Kazuhiro Kobayashi, Kiyohito Ikemoto