Patents by Inventor Yoshimi Tsutsumi

Yoshimi Tsutsumi 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: 5932521
    Abstract: Novel 1,3-oxazin-4-one derivatives of the formula ##STR1## wherein R.sup.1 to R.sup.5 are hydrocarbyl radicals which are optionally substituted, and herbicidal compositions comprising the same as active ingredients and their use in controlling the growth of weeds. The compounds can be produced by reacting substituted 1,3-dioxin-4-one derivatives and N-methylene-alkylamine.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: August 3, 1999
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Atsushi Go, Rika Higurashi, Miki Komine, Yoshimi Tsutsumi, Yoshihiro Usui
  • Patent number: 5696054
    Abstract: Novel 1,3-oxazin-4-one derivatives of the formula ##STR1## wherein R.sup.1 to R.sup.5 are hydrocarbyl radicals which are optionally substituted, and herbicidal compositions comprising the same as active ingredients and their use in controlling the growth of weeds. The compounds can be produced by reacting substituted 1,3-dioxin-4-one derivatives and N-methylene-alkylamine.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: December 9, 1997
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Atsushi Go, Rika Higurashi, Miki Komine, Yoshimi Tsutsumi, Yoshihiro Usui
  • Patent number: 5527818
    Abstract: The present invention relates to a sulfamoyl triazole derivative and a fungicide containing same as an effective component, the sulfamoyl triazole derivative being expressed by general formula (I): ##STR1## in which R.sup.1 and R.sup.2 are the same or different lower alkyl groups or an alkylene chain formed by integrating R.sup.1 and R.sup.2 and having 3 to 6 carbon atoms which may be substituted by a lower alkyl group; p is an integer 0 or 1; and A is a substituted aryl group.The fungicide does not damage field and garden plants and it is effective for preventing and curing various disease injury at very small dosages.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: June 18, 1996
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Atsushi Goh, Yoshihiro Usui, Yoshimi Tsutsumi, Yoshie Kirio, Yoshihiro Takayama, Seiichiro Yamada, Masako Yamanaka