Patents by Inventor Akihito OOTAKA

Akihito OOTAKA 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: 11076595
    Abstract: The present invention provides a 1-(N,N-disubstituted carbamoyl)4-(substituted sulfonyl)triazolin-5-one derivative represented by the following formula (1), a 4-(N,N-disubstituted carbamoyl)1-(substituted sulfonyl)triazolin-5-one derivative represented by the following formula (11), each of which exhibits an excellent herbicidal activity, and a herbicide characterized by containing the derivative as an active ingredient: wherein in the formula (1), R1 to R4 represent predetermined substituents, and in the formula (11), R11 to R14 represent predetermined substituents.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: August 3, 2021
    Assignee: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Jun Suzuki, Hitoshi Wakabayashi, Akihito Ootaka, Sho Sunagawa, Kohei Koyama, Satoshi Kanematsu
  • Patent number: 11046659
    Abstract: The present invention provides a 1,2,3-triazole derivative and an insecticide or acaricide containing the 1,2,3-triazole derivative as an active ingredient.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: June 29, 2021
    Assignee: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hidekatsu Hiroki, Yuta Kobayashi, Jun Suzuki, Shinji Onoue, Katsuhiko Iwasaki, Akihito Ootaka, Hayato Doi, Eiko Matsuo, Miwa Onoue, Asako Okimoto
  • Publication number: 20200367499
    Abstract: The present invention provides 1-(N,N-disubstituted carbamoyl) 4-(substituted sulfonyl)triazolin-5-one derivatives represented general formula 1, and 4-(N,N-disubstituted carbamoyl) 1-(substituted sulfonyl)triazolin-5-one derivatives represented by general formula (11), which show excellent herbicidal activity, and herbicides characterized by containing the derivatives as an active ingredient. In general formula (1), R1-R4 represent predetermined substituents. In general formula (11), R11-R14 represent predetermined substituents.
    Type: Application
    Filed: August 31, 2018
    Publication date: November 26, 2020
    Applicant: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Jun SUZUKI, Hitoshi WAKABAYASHI, Akihito OOTAKA, Sho SUNAGAWA, Kohei KOYAMA, Satoshi KANEMATSU
  • Publication number: 20190322630
    Abstract: The present invention provides a 1,2,3-triazole derivative and an insecticide or acaricide containing the 1,2,3-triazole derivative as an active ingredient.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Applicant: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hidekatsu HIROKI, Yuta KOBAYASHI, Jun SUZUKI, Shinji ONOUE, Katsuhiko IWASAKI, Akihito OOTAKA, Hayato DOI, Eiko MATSUO, Miwa ONOUE, Asako OKIMOTO
  • Patent number: 10377737
    Abstract: The present invention provides a 1,2,3-triazole derivative and an insecticide or acaricide containing the 1,2,3-triazole derivative as an active ingredient.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: August 13, 2019
    Assignee: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hidekatsu Hiroki, Yuta Kobayashi, Jun Suzuki, Shinji Onoue, Katsuhiko Iwasaki, Akihito Ootaka, Hayato Doi, Eiko Matsuo, Miwa Onoue, Asako Okimoto
  • Publication number: 20180290986
    Abstract: The present invention provides a 1,2,3-triazole derivative and an insecticide or acaricide containing the 1,2,3-triazole derivative as an active ingredient.
    Type: Application
    Filed: May 30, 2018
    Publication date: October 11, 2018
    Applicant: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hidekatsu HIROKI, Yuta KOBAYASHI, Jun SUZUKI, Shinji ONOUE, Katsuhiko IWASAKI, Akihito OOTAKA, Hayato DOI, Eiko MATSUO, Miwa ONOUE, Asako OKIMOTO