Patents by Inventor Minoru Higashimura

Minoru Higashimura 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).

  • Patent number: 5605876
    Abstract: A herbicidal composition having a reduced phytotoxicity which comprises at least one compound selected from 3-substituted phenylpyrazole derivatives such as ET-751 represented by the general formula (I): ##STR1## (wherein R is a substituent such as an alkoxy group, each of R.sup.1 and R.sup.2 is a substituent such as a lower alkyl group, Y is an oxygen atom or the like, and each of X.sup.1 and X.sup.2 is a halogen atom) and at least one specific anionic surfactant.
    Type: Grant
    Filed: August 18, 1995
    Date of Patent: February 25, 1997
    Assignee: Nihon Nohyaku Co. Ltd.
    Inventors: Minoru Higashimura, Atsuhiko Yuda, Masakazu Shibayama
  • Patent number: 5545609
    Abstract: A pesticidal aqueous suspension concentrate containing as an active ingredient a 3-substituted pyrazole derivative represented by the general formula (I): ##STR1## (wherein the substituents areas defined in the description of the specification)in which the 50% particle size and 90% particle size in cumulative particle size distribution of particles of the active ingredient are less than 1 .mu.m and less than 2 .mu.m, respectively, and which is harmless to useful crops and is equal to an emulsifiable concentrate in herbicidal effect; and a process for producing said pesticidal aqueous suspension concentrate.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: August 13, 1996
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Minoru Higashimura, Takashi Ootsuka, Masakazu Shibayama