Patents by Inventor Shizuo Wakita

Shizuo Wakita 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 composition
    Patent number: 4402951
    Abstract: An insecticidal composition comprising as effective components 3-phenoxy-.alpha.-cyanobenzyl-1-(4-ethoxyphenyl)-2,2-dichlorocyclopropane carboxylate and O,O-diethyl-O-2-isopropyl-6-methylpyrimidin-4-yl phosphorothioate.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: September 6, 1983
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Shizuo Wakita, Tokuko Umino
  • Diphenylether derivatives and use thereof as an acaricide
    Patent number: 4091109
    Abstract: Compounds of the formula ##STR1## wherein R represents CN, SCH.sub.3, Cl, Br or CF.sub.3 and n represents 0 or 1, have very excellent acaricidal activity.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: May 23, 1978
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yukio Aoki, Shizuo Wakita, Shoichi Kato, Iwao Tejima, Shuichi Ishida
  • Derivatives of propargyl or alkenyl phenyl ether and use thereof as acaricide
    Patent number: 4005148
    Abstract: A new compound of the formula ##STR1## wherein X represents methyl group or chlorine atom, Y represents a lower alkyl group having from 1 to 6 carbon atoms or allyl group, R represents propargyl group or an alkenyl group having from 3 to 18 carbon atoms, which may be substituted by chlorine atom and n represents 0, 1 or 2 is used for combating acarids.
    Type: Grant
    Filed: August 5, 1975
    Date of Patent: January 25, 1977
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yukio Aoki, Shizuo Wakita, Shoichi Kato, Shuichi Ishida