Patents by Inventor Shunji Matsumura

Shunji Matsumura 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).

  • Liquid sprinkler having a hemispherical head with a pattern of nozzle openings
    Patent number: 5803363
    Abstract: A liquid sprinkler having a substantially hemispherical shaped head at the upper end of a vertical rise pipe. The head is spaced above an area to be watered and has a plurality of nozzles on the hemispherical surface which are sized and positioned to afford even water distribution over the watered area.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: September 8, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shunji Matsumura, Keiichi Fujimoto, Hiroshi Ota
  • Method for controlling the growth of plants
    Patent number: 4244731
    Abstract: A method for controlling the growth of plants, by applying to said plants a 2,6-dimethylphenoxy compound of the formula: ##STR1## wherein R is hydroxycarbonyl, C.sub.1-4 alkoxycarbonyl C.sub.1-6 alkylcarboxymethyl, mono-, di- or tri-halo C.sub.1-4 alkylcarboxymethyl or nitrile;X is hydrogen or C.sub.1-4 alkylcarbonyl, when R is C.sub.1-6 alkylcarboxymethyl, mono-, di- or tri-halo C.sub.1-4 alkylcarboxymethyl or nitrile; andX is C.sub.1-4 alkylcarbonyl or benzoyl, when R is hydroxycarbonyl or C.sub.1-4 alkoxycarbonyl.
    Type: Grant
    Filed: April 14, 1978
    Date of Patent: January 13, 1981
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiromichi Oshio, Hiroyuki Konishi, Shunji Matsumura, Kikuichi Ishikawa, Eiichi Yoneyama