Patents by Inventor Chikara Tanabayashi

Chikara Tanabayashi 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 microcapsule and production thereof
    Patent number: 5686385
    Abstract: The present invention provides microcapsule comprising agricultural active ingredients with improved physical properties, and an agricultural composition comprising said microcapsule. An agricultural microcapsule having a diameter of not more than 50 .mu.m comprises an agricultural active ingredient in a water-soluble coating material. As an agricultural composition comprising said microcapsules, DL dust, solidified emulsifiable concentrate can be provided.According to the present invention, the agricultural active ingredient is stabilized, agricultural dust can be mixed with even incompatible, liquid agricultural active ingredient, and agricultural microcapsule has excellent handling properties.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: November 11, 1997
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kanji Akashi, Chikara Tanabayashi, Kazutaka Kitagawa
  • 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