Patents by Inventor Mika Iiyama

Mika Iiyama 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).

  • Oxime derivatives and agricultural chemicals containing the same
    Patent number: 6340697
    Abstract: Various oxime derivatives are provided, which do not cause any chemical damage to plants and which exhibit sufficient effectiveness against various plant diseases. The oxime derivatives are expressed by two general chemical formulas (1) and (2), as follows. Agricultural chemicals and plant disease control chemicals are also provided which contain the above mentioned oxime derivatives as active ingredients. Test results of these agricultural chemicals and the plant disease control chemicals are proved to be very effective for downey mildews and late blights or Phytophthora rot etc.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: January 22, 2002
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Takeo Kobori, Tomoko Goto, Hitoshi Kondo, Hiroyuki Tsuboi, Mika Iiyama, Toru Asada, Takashi Goto
  • 2,6-dichloro-4-pyridinemethanol derivatives and agricultural chemicals
    Patent number: 6281231
    Abstract: The object is to provide a novel compound, with which there is little possibility of phytotoxicity for crop plants, and which is greatly effective in controlling various plant diseases caused by viruses pathogenic to plants, by bacteria, and by molds, and to provide agricultural chemicals, particularly agents for controlling plant diseases, containing this compound, 2,6-dichloro-4-pyridinemethanol, and/or a benzoic acid ester thereof as an active ingredient.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: August 28, 2001
    Assignee: Dainippon Ink and Chemical, Inc.
    Inventors: Toru Asada, Mika Iiyama, Hiroyuki Tsuboi, Takashi Gotou