Patents by Inventor Naoko Takasaki

Naoko Takasaki 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).

  • Storing method for adsorbent particles
    Patent number: 5839258
    Abstract: A method for storing adsorbent particles of synthetic resin porous particles for a long period of time without causing decrease in the adsorbing performance and without attaching fungi, which method can be effected by irradiation of the porous particles hermetically sealed in a packing material such as a bag with radioactive rays at a dose of 5 to 20 kGy and storage of the resulting adsorbent particles in the hermetically sealed condition.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: November 24, 1998
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Hiroaki Takayanagi, Naoko Takasaki, Takashi Mikawa