Patents by Inventor Kakuta Takuya

Kakuta Takuya 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).

  • Pyrazolesulfonamide derivative, and herbicide containing it
    Patent number: 4844728
    Abstract: Disclosed are a pyrazolesulfonamide derivative represented by Formula (I): ##STR1## wherein B, D, Q, E, W and G have the same meaning as defined in the specification,a process for its production and a herbicide containing it.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: July 4, 1989
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Susumu Yamamoto, Kakuta Takuya, Toshiaki Sato, Katsushi Morimoto, Eiichi Oya, Takasi Ikai, Tsutomu Nawamaki, Kenji Hattori