Patents by Inventor Akiyoshi Asaka

Akiyoshi Asaka 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).

  • Agricultural composition with reduced toxicity to fishes and shellfishes
    Patent number: 4886656
    Abstract: Agricultural formulation with reduced toxicity to fishes and shellfishes, characterized by comprising a lipophilic agriculturally active ingredient (I) and an organic compound (II) having a partition coefficient to the said compound (I) in water of no less than 10.sup.2 and a process for the production of the said formulation.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: December 12, 1989
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hisashi Obayashi, Chikara Tanabayashi, Akiyoshi Asaka, Yukio Gotou