Patents by Inventor Yoshinori Hirabayashi

Yoshinori Hirabayashi 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).

  • Herbicidal composition comprising oxadiazolo- or thiadiazolo-[3,4a]-pyridazine derivatives, an N-alkylpyrrolidone, and organic solvent
    Patent number: 5576269
    Abstract: A composition comprising a condensed heterocyclic derivative and an N-alkyl-2-pyrrolidone and another organic solvent for enhanced stability. Particularly high effects can be obtained with a composition wherein the ratio of the condensed heterocyclic derivative to the N-alkyl-2-pyrrolidone is within a range of from 2:1 to 1:1000.
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: November 19, 1996
    Assignee: Kumiai Chemical Industry Co., Ltd.
    Inventors: Yoshinori Hirabayashi, Shigeki Fujita, Kanji Nakamura, Susumu Kato
  • Plant growth regulator composition comprising a cyclohexanone compound and adjuvants
    Patent number: 5510321
    Abstract: A plant growth regulator composition comprising a cyclohexane derivative of the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group, an alkylthioalkyl group, a phenyl group or a substituted phenyl group, and R.sup.1 is a lower alkyl group, a cycloalkyl group, a benzyl group, a substituted benzyl group, a phenethyl group, a phenoxymethyl group, a 2-thienylmethyl group, an alkoxymethyl group or an alkylthiomethyl group, or a salt thereof, and a nitrogen-containing water-soluble inorganic substance or urea.
    Type: Grant
    Filed: February 9, 1995
    Date of Patent: April 23, 1996
    Assignee: Kumiai Chemical Industry Co., Ltd.
    Inventors: Yoshinori Hirabayashi, Toshihiro Ikeuchi, Susumu Kato, Takeshige Miyazawa, Kanji Nakamuras
  • Plant growth regulator composition comprising a cyclohexanone compound and adjuvants
    Patent number: 5436225
    Abstract: A plant growth regulator composition comprising a cyclohexane derivative of the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group, an alkylthioalkyl group, a phenyl group or a substituted phenyl group, and R.sup.1 is a lower alkyl group, a cycloalkyl group, a benzyl group, a substituted benzyl group, a phenethyl group, a phenoxymethyl group, a 2-thienylmethyl group, an alkoxymethyl group or an alkylthiomethyl group, or a salt thereof, and a nitrogen-containing water-soluble inorganic substance or urea.
    Type: Grant
    Filed: November 16, 1993
    Date of Patent: July 25, 1995
    Assignee: Kumiai Chemical Industry Co., Ltd.
    Inventors: Yoshinori Hirabayashi, Toshihiro Ikeuchi, Susumu Kato, Takeshige Miyazawa, Kanji Nakamura