Patents by Inventor Naoki Katada

Naoki Katada 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).

  • Surfactant-containing seamless capsules
    Patent number: 5385737
    Abstract: Surfactant-containing seamless capsules of the present invention have an inner layer and an outer layer having a film-forming material. The inner layer contains an oily component and a surfactant component. Such surfactant-containing seamless capsules are produced using in multiple nozzle of triple or more having a sequentially increasing diameter. Since the capsules are excellent in emulsive dispersibility of the content liquid and surfactant dispersibility and solubility in the oily component, they can be used in pharmaceuticals, foods, luxury foods, bath additives, detergents and other fields.
    Type: Grant
    Filed: June 10, 1993
    Date of Patent: January 31, 1995
    Assignee: Kao Corporation
    Inventors: Chitoshi Shigeno, Naoki Katada, Jun Shida, Norikazu Iwase, Hirotaka Sato, Hidenori Yorozu