Patents by Inventor Mitsumasa Yamazaki

Mitsumasa Yamazaki 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).

  • Benzothiazole derivative
    Patent number: 5095025
    Abstract: A benzothiazole derivative represented by the general formula: ##STR1## wherein X represents --NHR, --R or --OR group in which R is a lower alkyl, cycloalkyl, aryl or substituted aryl group;Y represents a lower alkyl, alkenyl, alkyloxycarbonylalkyl, benzyl or substituted benzyl group; andZ represents a lower alkoxy group or a hydrogen atom.This compound is useful as an active ingredient of an agricultural and horticultural fungicide.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: March 10, 1992
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Ken-ichi Tanaka, Hiroshi Kawada, Shinji Nishimura, Mitsumasa Yamazaki
  • Benzamide derivative, process for its production and plant growth regulant
    Patent number: 4878942
    Abstract: A benzamide derivative of the formula: ##STR1## wherein R is hydroxyl, alkoxy, alkoxyalkoxy, alkoxyalkoxyalkoxy, alkenylalkoxy, alkenylalkoxyalkoxy, alkynylalkoxy, alkynylalkoxyalkoxy, monoalkylamino, dialkylamino or O-cat wherein cat is an inorganic or organic cation.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: November 7, 1989
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Takeo Motegi, Mitsumasa Yamazaki, Hiroyuki Iguchi, Kaoru Kasahara
  • Certain pyridyloxybenzanilides having herbicidal properties
    Patent number: 4602943
    Abstract: A pyridyloxybenzanilide derivative represented by the formula: ##STR1## where X is a bromine atom, Y is a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a lower alkyl group or a lower alkoxy group, and n is an integer of from 1 to 3.
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: July 29, 1986
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Izumi Yamane, Mitsumasa Yamazaki, Takeo Motegi, Yasuya Sakuraba