Patents by Inventor Keiyo NAKAI

Keiyo NAKAI 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).

  • Isoxazolin-5-one derivative and herbicide containing same as active ingredient
    Patent number: 11109593
    Abstract: An isoxazolin-5-one derivative represented by the following (1): wherein R1 represents a C1-C6 haloalkyl group, and R2 to R4 and X each represents a certain substituent or the like; and n represents an integer of 1 to 4, wherein X's may be different from each other when n represents an integer of 2 to 4, and an herbicide containing the isoxazolin-5-one derivative as an active ingredient are provided.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: September 7, 2021
    Assignee: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Jun Suzuki, Keiyo Nakai, Kohei Koyama, Yutaro Tanaka, Tsunehiro Kido
  • ISOXAZOLIN-5-ONE DERIVATIVE AND HERBICIDE CONTAINING SAME AS ACTIVE INGREDIENT
    Publication number: 20200267985
    Abstract: An isoxazolin-5-one derivative represented by the following (1): wherein R1 represents a C1-C6 haloalkyl group, and R2 to R4 and X each represents a certain substituent or the like; and n represents an integer of 1 to 4, wherein X's may be different from each other when n represents an integer of 2 to 4, and an herbicide containing the isoxazolin-5-one derivative as an active ingredient are provided.
    Type: Application
    Filed: January 19, 2018
    Publication date: August 27, 2020
    Applicant: HOKKO CHEMICAL INDUSTRY CO., LTD.
    Inventors: Jun SUZUKI, Keiyo NAKAI, Kohei KOYAMA, Yutaro TANAKA, Tsunehiro KIDO