Patents by Inventor Kazuyuki Ushinohama

Kazuyuki Ushinohama 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).

  • N-(2,3-Epoxypropylene)-n-aralkylsulfonamide and herbicidal compositions containing the same
    Patent number: 4468245
    Abstract: An N-(2,3-epoxypropylene)-N-aralkylsulfonamide of formula (I): ##STR1## wherein R.sup.1 is an alkyl group, a haloalkyl group, an aralkyl group or an aryl group which may be substituted, R.sup.2 and R.sup.3, independently of each other, are a hydrogen atom or an alkyl group, R.sup.4 and R.sup.4', independently of each other, are a hydrogen atom, an alkyl group, an alkoxy group or a halogen atom, R.sup.5, R.sup.6 and R.sup.7, independently of each other, are a hydrogen atom, an alkyl group, a haloalkyl group or an aryl group, and n is 0 or 1.The novel compounds have excellent herbicidal effect based on the physiological selectivity between rice plant and weeds, and have low phytotoxicity against rice plant.
    Type: Grant
    Filed: December 15, 1982
    Date of Patent: August 28, 1984
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Tetsuo Takematsu, Makoto Konnai, Hiroyoshi Omokawa, Koichi Yoneyama, Kazuyuki Ushinohama, Seiichi Suzuki
  • Tetrahydrophthalimides and herbicidal composition
    Patent number: 4420327
    Abstract: .DELTA.'-Tetrahydrophthalimides having a substituted oxy group at 3-position and a halogen atom at 4-position if necessary, a halogen atom at 2-position of phenyl group as N-substituent have excellent herbicidal activity and are useful as selective herbicides.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: December 13, 1983
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Tetsuo Jikihara, Masatsugu Oda, Kazuyuki Ushinohama, Hisao Watanabe, Seiichi Suzuki