Patents by Inventor Atsuhiko Yuda

Atsuhiko Yuda 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).

  • Composition for regulating plant growth and a method for application thereof
    Patent number: 6117818
    Abstract: A composition for regulating plant growth which comprises as an active ingredient(s) at least one 3-substituted phenylpyrazole derivative represented by the general formula (I): ##STR1## and acts as a desiccant or defoliant for root vegetables (e.g. potato), fiber crops (e.g. cotton), oil crops (e.g. soybean and sunflower) and cereals (e.g. rice); and a method for applying said composition.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: September 12, 2000
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Atsuhiko Yuda, Tsutomu Mabuchi, Hatsue Matsuura, Yoichi Hachitani
  • Herbicidal composition having a reduced phytotoxicity
    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