Patents by Inventor Naoko Yasui

Naoko Yasui 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).

  • Insecticidal tetrahydrofuran-compound
    Patent number: 5614527
    Abstract: A tetrahydrofuran-compound is disclosed herein which is represented by the formula (1) ##STR1## wherein each of X.sub.1 and X.sub.2 is a hydrogen atom or a methyl group, Y is a hydrogen atom or a carbonyl group substituted by a lower alkyl group (Y') having 1 to 4 carbon atoms, i.e., an acyl group (--COY'), andn is 2 or 3,and an insecticide containing the tetrahydrofuran-compound as an effective component.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: March 25, 1997
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Katsutoshi Kinoshita, Takeo Wakita, Kenji Kodaka, Hirozumi Matsuno, Kenichi Satoh, Shirou Shiraishi, Kazutomi Ohnuma, Eiichi Yamada, Naoko Yasui, Nobuyuki Kawahara, Koichi Ebihara, Michihiko Nakaya
  • Intermediate for furanyl insecticide
    Patent number: 5532365
    Abstract: The present invention relates to novel (tetrahydro-3-furanyl)methylamino derivatives of the following formula (1): ##STR1## wherein the variables are defined in the specification, which are useful as insecticides.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: July 2, 1996
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Kenji Kodaka, Katsutoshi Kinoshita, Takeo Wakita, Shirou Shiraishi, Kazutomi Ohnuma, Eiichi Yamada, Naoko Yasui, Michihiko Nakaya, Hirozumi Matsuno, Nobuyuki Kawahara, Koichi Ebihara
  • Furanyl insecticide
    Patent number: 5434181
    Abstract: The present invention relates to novel (tetrahydro-3-furanyl)methylamino derivatives of the following formula (1): ##STR1## wherein the variables are defined in the specification, which are useful as insecticides.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: July 18, 1995
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Kenji Kodaka, Katsutoshi Kinoshita, Takeo Wakita, Shirou Shiraishi, Kazutomi Ohnuma, Eiichi Yamada, Naoko Yasui, Michihiko Nakaya, Hirozumi Matsuno, Nobuyuki Kawahara, Koichi Ebihara