Patents by Inventor Takamasa Tanabe

Takamasa Tanabe 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).

  • Publication number: 20140364444
    Abstract: A fused heterocyclic compound the formula (1): wherein A1 represents —NR8—, and the like; A2 represents a nitrogen atom, and the like; A3 represents a nitrogen atom, and the like; R1 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R2, R3, R4, and R5 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more halogen atoms, and the like; R6 and R7 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R8 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group W, and the like; n represents 0, 1 or 2. The compound has an excellent activity of controlling pests.
    Type: Application
    Filed: August 21, 2014
    Publication date: December 11, 2014
    Inventors: Hayato TAKYO, Masaki TAKAHASHI, Takamasa TANABE, Yoshihiko NOKURA, Mai ITO, Atsushi IWATA
  • Patent number: 8853238
    Abstract: A fused heterocyclic compound the formula (1): wherein A1 represents —NR8—, and the like; A2 represents a nitrogen atom, and the like; A3 represents a nitrogen atom, and the like; R1 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R2, R3, R4, and R5 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more halogen atoms, and the like; R6 and R7 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R8 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group W, and the like; n represents 0, 1 or 2. The compound has an excellent activity of controlling pests.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: October 7, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hayato Takyo, Masaki Takahashi, Takamasa Tanabe, Yoshihiko Nokura, Mai Ito, Atsushi Iwata
  • Publication number: 20140194290
    Abstract: There is provided a compound having an excellent controlling effect on pests represented by the formula (1): wherein, A1 represents —NR7—, etc., A2 represents a nitrogen atom, etc., A3 represents a nitrogen atom, etc., R1 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R2, R3 and R4 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more halogen atoms, etc., R5 and R6 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R7 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group W, etc., n represents 0, 1 or 2, or an N-oxide thereof.
    Type: Application
    Filed: August 3, 2012
    Publication date: July 10, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masaki Takahashi, Takamasa Tanabe, Mai Ito, Yoshihiko Nokura, Atsushi Iwata
  • Publication number: 20140018373
    Abstract: A fused heterocyclic compound the formula (1): wherein A1 represents —NR8—, and the like; A2 represents a nitrogen atom, and the like; A3 represents a nitrogen atom, and the like; R1 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R2, R3, R4, and R5 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more halogen atoms, and the like; R6 and R7 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R8 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group W, and the like; n represents 0, 1 or 2. The compound has an excellent activity of controlling pests.
    Type: Application
    Filed: December 22, 2011
    Publication date: January 16, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hayato Takyo, Masaki Takahashi, Takamasa Tanabe, Yoshihiko Nokura, Mai Ito, Atsushi Iwata
  • Publication number: 20130252981
    Abstract: A pyrimidine compound of the formula (1): wherein: R1 represents hydrogen, and the like; R2 represents hydrogen, and the like; R3 represents a C1-C6 chain hydrocarbon group optionally having one or more halogens, and the like; R4 and R5 are represent a C1-C6 chain hydrocarbon group optionally having one or more halogens, and the like; X represents nitrogen, and the like; Y represents nitrogen, and the like; and Z represents oxygen or —NR8— wherein R8 represents a C1-C6 chain hydrocarbon group optionally having one or more halogens, and the like. The compound has a superior activity of controlling pests.
    Type: Application
    Filed: November 30, 2011
    Publication date: September 26, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masaki Takahashi, Takamasa Tanabe, Yoshihiko Nokura