Patents by Inventor Satoshi Sembo

Satoshi Sembo 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).

  • Pesticidal compositions
    Patent number: 6218416
    Abstract: Provided are compositions typically including 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and [2,5-dioxo-3-(2-propynyl)-1-imidazolidinyl]methyl chrysanthemate, as well as a method of controlling pests.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: April 17, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Satoshi Sembo
  • Composition for extermination of harmful arthropods
    Patent number: 6200973
    Abstract: A composition for the extermination of harmful arthropods, which contains at least one compound selected from 1-(tetrahydrofuran-3-yl)methyl-3-methyl-2-nitroguanidine and 3-[(2-chloro-5-thiazolyl)methyl]-5-methyl-4-nitroiminotetrahydro-1,3,5-oxadiazine, and pyriproxyfen, as active ingredients, exhibits remarkable synergism and therefore has excellent extermination effects against various harmful arthropods by their application in smaller amounts.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: March 13, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Satoshi Sembo, Satoshi Nakamura
  • Ectoparasite controlling agent for animals
    Patent number: 6201017
    Abstract: An ectoparasite-controlling agent for animals comprising 0.1 to 20% by weight of the neonocotinoid compounds defined in the specification and 10 to 95% by weight of a glycol or glycol monoalkyl ether has an excellent effectiveness by the application methods such as spot-on and pour-on application.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: March 13, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Satoshi Sembo, Mitsuyasu Makita
  • Method for controlling ectoparasites
    Patent number: 6140350
    Abstract: A method for controlling ectoparasites systemically through host animal blood which comprises administering at least one neonocotinoid compound among those defined in the specification to the host animal.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: October 31, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Satoshi Sembo
  • Tick controlling agent
    Patent number: 6103758
    Abstract: Tick controlling agent which comprises 1-(tetrahydrofuran-3-yl) methyl-3-methyl-2-nitroguanidine as an active ingredient has an excellent efficacy for controlling ticks. Applying an effective amount of 1-(tetrahydrofuran-3-yl)methyl-3-methyl-2-nitroguanidine to tick, host animal of tick or place where ticks inhabit is an excellent method for controlling ticks.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: August 15, 2000
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventor: Satoshi Sembo
  • Insecticidal aerosol
    Patent number: 5137713
    Abstract: An insecticidal composition for aerosols comprises 2,4-dioxo-1-(2-propynyl)imidazolidin-3-ylmethyl chrysanthemate as an active ingredient and an organic solvent containing at least one aromatic hydrocarbon having 12 to 20 carbon atoms and kerosene in a weight ratio of said aromatic hydrocarbon to kerosene of 1:20 to 4:1. The aerosol according to the present invention has an excellent insecticidal activity.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: August 11, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazunobu Dohara, Satoshi Sembo