Patents by Inventor Katsuhiro Johkoh

Katsuhiro Johkoh 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).

  • Method of combatting ticks
    Patent number: 4056631
    Abstract: Method of combatting ticks which comprises applying to the surface of the body of domestic animals an effective amount of a carbodiimide of the formula ##STR1## wherein R represents the specified groups.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: November 1, 1977
    Assignee: Showa Denko K.K.
    Inventors: Shigeo Kitaoka, Katsuhiro Johkoh, Hisashi Ebisawa, Tadashi Sato, Hiroshi Kubo, Sosuke Takahashi, Yoshinobu Kawase
  • Acaricidal and insecticidal compositions
    Patent number: 3995053
    Abstract: An acaricidal and insecticidal composition containing as an active ingredient a carbodiimide of the formula ##SPC1##Wherein R is a member selected from the class consisting of acyclic and cyclic alkyl groups containing 2-18 carbon atoms, a phenyl group, and a phenyl group substituted by at least one substituent of the group consisting of alkyl groups of 1-4 carbon atoms, alkoxy groups of 1-4 carbon atoms and chlorine.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: November 30, 1976
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Shigeo Kitaoka, Katsuhiro Johkoh, Hisashi Ebisawa, Tadashi Sato, Hiroshi Kubo, Sosuke Takahashi, Yoshinobu Kawase