Patents by Inventor Takafumi Fusaka

Takafumi Fusaka 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: 9096533
    Abstract: A pyridazinone compound represented by the formula (I) has excellent effect on weed control and is useful as an active ingredient of herbicides.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: August 4, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Toshiyuki Kiji, Takafumi Fusaka
  • Patent number: 9096534
    Abstract: A pyridazinone compound represented by the formula (I) has excellent effect on weed control and is useful as an active ingredient of herbicides.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: August 4, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Toshiyuki Kiji, Takafumi Fusaka
  • Publication number: 20150126739
    Abstract: A pyridazinone compound represented by the formula (I) has excellent effect on weed control and is useful as an active ingredient of herbicides.
    Type: Application
    Filed: January 14, 2015
    Publication date: May 7, 2015
    Inventors: Toshiyuki KIJI, Takafumi FUSAKA
  • Publication number: 20150126738
    Abstract: A pyridazinone compound represented by the formula (I) has excellent effect on weed control and is useful as an active ingredient of herbicides.
    Type: Application
    Filed: January 14, 2015
    Publication date: May 7, 2015
    Inventors: Toshiyuki KIJI, Takafumi FUSAKA
  • Patent number: 8962625
    Abstract: A pyridazinone compound represented by the formula (I) has excellent effect on weed control and is useful as an active ingredient of herbicides.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: February 24, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshiyuki Kiji, Takafumi Fusaka
  • Patent number: 8541414
    Abstract: A pyridazinone compound represented by the formula (I) has excellent effect on weed control and is useful as an active ingredient of herbicides.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: September 24, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshiyuki Kiji, Takafumi Fusaka
  • Patent number: 8507410
    Abstract: A pyridazinone compound represented by formula (I) wherein R1 represents a C1-6 alkyl group or a (C1-6 alkyloxy) C1-6 alkyl group, R2 and R3 represent hydrogen or a C1-6 alkyl group, W represents halogen, etc., Z1 represents a C1-6 alkyl group, Z2 represents a C1-6 alkyl group, a C3-8 cycloalkyl group, etc., and n represents 0, 1, 2, 3 or 4, has a weed-controlling effect and an arthropod-controlling effect.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: August 13, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Takafumi Fusaka
  • Patent number: 8470738
    Abstract: There is provided a compound represented by the formula (I): wherein R1 is a C1-6 alkyl group or a (C1-6 alkyloxy)C1-6 alkyl group; R2 is a hydrogen atom or a C1-6 alkyl group; G is a hydrogen atom etc.; Z1 is a C1-6 alkyl group or a C1-6 alkyloxy group; Z2 is a C3-8 cycloalkyl group, etc.; Z3 is a C1-6 alkyl group, etc.; n is 0, 1, 2 or 3, which has an excellent weed controlling effect.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: June 25, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Takafumi Fusaka
  • Publication number: 20120196750
    Abstract: A pyridazinone compound represented by the formula (I) has excellent effect on weed control and is useful as an active ingredient of herbicides.
    Type: Application
    Filed: March 22, 2012
    Publication date: August 2, 2012
    Inventors: Toshiyuki KIJI, Takafumi Fusaka
  • Publication number: 20120028988
    Abstract: Since a pyridazinone compound shown by formula (I) has an activity for controlling arthropod pests, the pyridazinone compound is effective for a use for controlling arthropod pests.
    Type: Application
    Filed: March 24, 2010
    Publication date: February 2, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Norihisa Sakamoto, Takafumi Fusaka
  • Publication number: 20120028803
    Abstract: A pyridazinone compound represented by formula (I) wherein R1 represents a C1-6 alkyl group or a (C1-6 alkyloxy) C1-6 alkyl group, R2 and R3 represent hydrogen or a C1-6 alkyl group, W represents halogen, etc., Z1 represents a C1-6 alkyl group, Z2 represents a C1-6 alkyl group, a C3-8 cycloalkyl group, etc., and n represents 0, 1, 2, 3 or 4, has a weed-controlling effect and an arthropod-controlling effect.
    Type: Application
    Filed: March 12, 2010
    Publication date: February 2, 2012
    Inventor: Takafumi Fusaka
  • Publication number: 20100216642
    Abstract: There is provided a compound represented by the formula (I): wherein R1 is a C1-6 alkyl group or a (C1-6 alkyloxy)C1-6 alkyl group; R2 is a hydrogen atom or a C1-6 alkyl group; G is a hydrogen atom etc.; Z1 is a C1-6 alkyl group or a C1-6 alkyloxy group; Z2 is a C3-8 cycloalkyl group, etc.; Z3 is a C1-6 alkyl group, etc.; n is 0, 1, 2 or 3, which has an excellent weed controlling effect.
    Type: Application
    Filed: September 12, 2008
    Publication date: August 26, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY LIMITED
    Inventor: Takafumi Fusaka
  • Publication number: 20090111696
    Abstract: A pyridazinone compound represented by the formula (I) have excellent effect on weed control and are useful as an active ingredient of herbicides.
    Type: Application
    Filed: March 13, 2007
    Publication date: April 30, 2009
    Inventors: Toshiyuki Kiji, Takafumi Fusaka