Patents by Inventor Satoshi Ototake

Satoshi Ototake 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).

  • Water-soluble azo compounds having a triazine moiety and dyeing method therewith
    Patent number: 4841034
    Abstract: Water-soluble metallized disazo compounds which, in the free acid form, are represented by the following formula: ##STR1## wherein R.sub.1 and R.sub.2 stand independently for chlorine or nitro, and X stands for phenyl which may be substituted with chlorine, methyl, lower alkoxy, hydroxyl or carboxyl, for use in dyeing.
    Type: Grant
    Filed: November 15, 1984
    Date of Patent: June 20, 1989
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Satoshi Ototake, Ryozo Matsunaga, Masao Furusawa
  • Benzoylphenylurea derivative and its use as an insecticide
    Patent number: 4734436
    Abstract: Disclosed is a compound of the formula: ##STR1## wherein X.sub.1 and X.sub.3 represent chloro or fluoro, X.sub.2 represents hydrogen, chloro or fluoro, X.sub.4 represents hydrogen or halogen, X.sub.5 represents --CF.sub.3 or --OCF.sub.3, Y represents oxygen or sulfur and an insecticidal composition containing said compound, a method for killing insect pests and a process for producing said compound and its use as pesticide.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: March 29, 1988
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Akira Kurozumi, Satoshi Ototake, Hitoshi Sato, Satoshi Tanabe, Tatsumi Hayaoka, Akio Masui