Patents by Inventor Syuichi Usui

Syuichi Usui 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).

  • Hydrazine oxoacetamide derivative and insecticide
    Publication number: 20030087958
    Abstract: The present invention relates to a hydrazine oxoacetamide derivative or its salt which exhibits an excellent insecticidal effect even at a low concentration.
    Type: Application
    Filed: June 3, 2002
    Publication date: May 8, 2003
    Applicant: AGRO-KANESHO CO., LTD.
    Inventors: Syuichi Usui, Kiyoshi Takasuka, Yukinori Takekita, Junko Uchida, Norio Osaki
  • Hydrazine oxoacetamide derivative and insecticide
    Patent number: 6399659
    Abstract: The present invention relates to a hydrazine oxoacetamide derivative or its salt which exhibits an excellent insecticidal effect even at a low concentration. The hydrazine oxoacetamide derivative has the following Formula (I): wherein R1 represents a chlorine atom or a bromine atom, Y represents an oxygen atom or a methylene group, and when Y is an oxygen atom, p is 2 and when Y is a methylene group, p is 0, R2 represents a trifluoromethyl group, R3 represents a hydrogen atom or a methyl group, R4 represents a hydrogen atom or a methyl group, and R5 represents a methyl group, an ethyl group, an n-propyl group, a cyclopropyl group, an allyl group or a propargyl group.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: June 4, 2002
    Assignee: Agro-Kanesho Co., Ltd.
    Inventors: Syuichi Usui, Kiyoshi Takasuka, Yukinori Takekita, Junko Uchida, Norio Osaki
  • Hydrazine oxoacetamide derivative and insecticide
    Publication number: 20010044464
    Abstract: The present invention relates to a hydrazine oxoacetamide derivative or its salt which exhibits an excellent insecticidal effect even at a low concentration.
    Type: Application
    Filed: April 19, 2001
    Publication date: November 22, 2001
    Applicant: AGRO-KANESHO CO., LTD.
    Inventors: Syuichi Usui, Kiyoshi Takasuka, Yukinori Takekita, Junko Uchida, Norio Osaki
  • Organophosphorus compounds, and insecticides, acaricides and nematocides containing same
    Patent number: 5393754
    Abstract: Insecticidal, acaricidal or nematocidal compositions which comprise a series of organophosphorus compounds represented by the following representative structural formulae: ##STR1## show excellent effect for controlling harmful insects, mites and nematodes, do not give off a bad or irritating smell and exhibit very low toxicity to warm-blooded animals.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: February 28, 1995
    Assignee: Agro-Kanesho Co., Ltd.
    Inventors: Katsumi Nanjo, Akinori Kariya, Shinya Henmi, Hideyo Fujii, Syuichi Usui